CN107483065A - The clamped beam microwave receiver front end that internet of things oriented release model is collected - Google Patents
The clamped beam microwave receiver front end that internet of things oriented release model is collected Download PDFInfo
- Publication number
- CN107483065A CN107483065A CN201710696943.6A CN201710696943A CN107483065A CN 107483065 A CN107483065 A CN 107483065A CN 201710696943 A CN201710696943 A CN 201710696943A CN 107483065 A CN107483065 A CN 107483065A
- Authority
- CN
- China
- Prior art keywords
- clamped beam
- signal
- energy
- frequency
- microwave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1607—Supply circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/22—Circuits for receivers in which no local oscillation is generated
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The invention discloses the clamped beam microwave receiver front end that a kind of internet of things oriented release model is collected, including the clamped beam frequency mixer of microwave antenna, microwave filter, rechargeable battery, dc source, low-noise amplifier, oscillation signals leak collection of energy, local oscillator, intermediate-frequency filter and intermediate frequency output.This receiver receives microwave signal using microwave antenna, the signal access microwave filter received is filtered, after then entering low-noise amplifier and being exaggerated, into the clamped beam frequency mixer of oscillation signals leak collection of energy, while signal mixing is realized, DC maladjustment is eliminated, collects the energy of the local oscillated signal of mixing structure leakage, and the energy conversion that will leak out is stored in battery into DC voltage.Mixed signal realizes that intermediate frequency exports into intermediate-frequency filter.Store energy battery it is in parallel with dc source after, be that low-noise amplifier, the clamped beam frequency mixer of oscillation signals leak collection of energy and local oscillator are powered.
Description
Technical field
The present invention relates to the clamped beam microwave receiver front end that a kind of internet of things oriented release model is collected, belong to microelectronics
The technical field of mechanical system (MEMS).
Background technology
Important component of the Internet of Things as strategic new industry, it has also become our times new round economy and science and technology are sent out
One of strategic high ground of exhibition, microwave receiver front end have been served important in the development of Internet of Things.
But gradually emerged in the development of Internet of Things, the drawbacks of some traditional receiver front ends.Such as due to
The power of the microwave signal of local oscillated signal power ratio mixing device input is much bigger, has part local oscillated signal through mixed
Frequency device leakage is then blocked producing back wave to low-noise amplifier, and this back wave is mixed with local oscillated signal again,
Then direct current signal can be produced in the output end of frequency mixer, can not only cause DC maladjustment, can also increase DC power.In recent years,
Conducted in-depth research with the fast development of MEMS technology, and to MEMS energy collection technologies and MEMS filter technology,
So that the clamped beam microwave receiver front end that internet of things oriented release model is collected has the possibility realized.
The content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of consolidating for internet of things oriented release model collection
Strutbeam microwave receiver front end.Receiver uses microwave antenna reception signal, and access microwave filter is filtered, filtered
Signal amplifies into low-noise amplifier, and the clamped beam that exaggerated microwave signal enters oscillation signals leak collection of energy is mixed
Device, while conventional mixer is realized, DC maladjustment caused by the self-mixing of local oscillated signal is eliminated, and collect mixing knot
The energy of the local oscillated signal of structure leakage, while by the energy conversion that AC/DC modular converters will leak out into storing up after DC voltage
It is stored in rechargeable battery, the signal after mixing connects intermediate-frequency filter, finally realizes that intermediate frequency exports.Rechargeable battery and dc source are simultaneously
It is connected after connection with active circuit, realizes the self-powered of active circuit.
To achieve the above object, the technical solution adopted by the present invention is：
The clamped beam microwave receiver front end that a kind of internet of things oriented release model is collected, including the filter of microwave antenna, microwave
Ripple device, rechargeable battery, dc source, low-noise amplifier, the clamped beam frequency mixer of oscillation signals leak collection of energy, local shake
Swing device, intermediate-frequency filter and intermediate frequency output；The microwave antenna is connected to the input of microwave filter, the microwave filter
Output end is connected with the input of low-noise amplifier, the output end connection oscillation signals leak energy of the low-noise amplifier
The signal input port for the clamped beam frequency mixer collected is measured, output end and the oscillation signals leak energy of the local oscillator are received
The local oscillated signal input port of the clamped beam frequency mixer of collection is connected, the clamped beam frequency mixer of oscillation signals leak collection of energy
Mixed frequency signal output port be connected with intermediate-frequency filter input, the connection intermediate frequency output of the output end of intermediate-frequency filter, obtain
The accessible metastable intermediate-freuqncy signal in microwave receiver rear end；The clamped beam frequency mixer of oscillation signals leak collection of energy
AC/DC modular converters connect rechargeable battery, after rechargeable battery is in parallel with dc source, are let out for low-noise amplifier, oscillator signal
Leak the clamped beam frequency mixer of collection of energy and local oscillator provides energy and realizes self-powered, the oscillation signals leak energy
The clamped beam frequency mixer of collection have collected by energy of the local oscillated signal by mixing structure leakage and be stored in rechargeable battery
In.
Further：Receiver uses the microwave antenna reception signal, and access microwave filter is filtered, after filtering
Signal into low-noise amplifier amplify, exaggerated microwave signal enter oscillation signals leak collection of energy clamped beam mix
Frequency device, while realizing mixing, DC maladjustment caused by the self-mixing of local oscillated signal is eliminated, and collect oscillator signal and let out
The energy of the local oscillated signal of the clamped beam mixer leakage of collection of energy is leaked, while will leak out by AC/DC modular converters
Energy conversion is into being stored in rechargeable battery after DC voltage, and the signal after being mixed connects intermediate-frequency filter, finally realizes intermediate frequency
Output.
Further：The clamped beam frequency mixer of the oscillation signals leak collection of energy includes bandpass filter, AC/DC
Modular converter and mixing structure, wherein the mixing structure is three-port network, three ports are respectively signal input port, sheet
Ground oscillator signal input port and mixed frequency signal output port；The input of the signal input port and the bandpass filter
After being connected, the signal input port is connected with being mixed the input of structure again, and the local oscillated signal of the mixing structure is defeated
Inbound port connects the output end of local oscillator, the output end connection AC/DC modular converters of the bandpass filter, ultimately mixing
Intermediate-freuqncy signal after the mixed frequency signal output port output mixing of structure.
Yet further：The bandpass filter includes the first planar inductor L1, the second planar inductor L2 and condenser type
Clamped beam, the condenser type clamped beam include the K1 of the condenser type clamped beam one and K2 of condenser type clamped beam two；The condenser type is clamped
The K1 of beam one first paragraph transmission line connects as microwave signal input port, the second segment transmission line of the K1 of condenser type clamped beam one
Connect the first planar inductor L1 left port, the metal pad connections ground of the K1 of condenser type clamped beam one, first planar inductor
After L1 right output port is connected with the left port of the second planar inductor L2, then the first paragraph with the K2 of condenser type clamped beam two
Transmission line is connected, and the right output port ground connection of the second planar inductor L2, the K2 of condenser type clamped beam two second segment transmission line is hanging,
The metal pad leads of the K2 of condenser type clamped beam two are connected as the output end of wave filter with AC/DC modular converters, pass through control
Drop-down driving in the K1 of condenser type clamped beam one and condenser type clamped beam two K2 processed the first pull-down electrode and the second pull-down electrode
The size of the electric capacity of voltage-regulation access, so as to adjust the passband frequency domain of wave filter.
Further：The condenser type clamped beam is disposed with substrate, silicon dioxide layer from down to up, and described first
Section transmission line is arranged at one end of silica layer surface, and the second segment transmission line is arranged at the another of silica layer surface
End；Second dielectric layer, first medium layer and the 3rd dielectric layer are from left to right set in turn in first paragraph transmission line and second segment passes
Silica layer surface between defeated line；First pull-down electrode is located in second dielectric layer, and under first pull-down electrode
Bottom is in contact with the silica layer surface；Metal pad is located in first medium layer, and the bottom of the metal pad and institute
Silica layer surface is stated to be in contact；Second pull-down electrode is located in the 3rd dielectric layer, and the bottom of second pull-down electrode
It is in contact with the silica layer surface；First anchor area is arranged on first paragraph transmission line, and the second anchor area is arranged at second segment
On transmission line, clamped beam is maked somebody a mere figurehead between the first anchor area and the second anchor area, and described clamped beam one end on the inside of the first anchor area with connecting
Touch, the other end of the clamped beam on the inside of the second anchor area with being in contact.
Preferably：The first medium layer, second dielectric layer, the 3rd dielectric layer are insulating silicon nitride dielectric layer.
Preferably：The substrate is HR-Si substrate.
Further：The centre frequency of the bandpass filter is identical with the frequency of local oscillated signal, can will be by
Energy absorption of the local oscillated signal by mixing structure leakage, solves the problems, such as the local oscillated signal self-mixing of leakage,
And input signal belongs to the stopband frequency domain of bandpass filter, its frequency is in beyond the passband of bandpass filter, will not pass through band
Bandpass filter, it is directly entered mixing structure.
Beneficial effect：The present invention has advantages below relative to existing microwave receiver：
1. the clamped beam microwave receiver front end that the internet of things oriented release model of the present invention is collected is let out comprising oscillator signal
Leak the clamped beam frequency mixer of collection of energy.The frequency mixer has added bandpass filter, bandpass filtering before traditional mixing structure
The centre frequency of device is identical with the frequency of local oscillated signal, can be by by energy of the local oscillated signal by mixing structure leakage
Amount absorbs, and solves the problems, such as the local oscillated signal self-mixing of leakage, and input signal belongs to the stopband frequency of bandpass filter
Domain, its frequency are in beyond the passband of bandpass filter, will not be directly entered mixing structure by bandpass filter, this design
So that the energy of leakage is collected, it is finally stored in rechargeable battery, reduces DC power.
2. rechargeable battery is in parallel with dc source, self-powered is realized to active circuit.
Brief description of the drawings
Fig. 1 is the theory diagram for the clamped beam microwave receiver front end that the internet of things oriented release model of the present invention is collected；
Fig. 2 is the structure chart of the clamped beam frequency mixer of the oscillation signals leak collection of energy in the present invention；
Fig. 3 is the equivalent circuit diagram of bandpass filter in the present invention；
Fig. 4 is the top view of the condenser type clamped beam in bandpass filter in the present invention；
Fig. 5 is BB ' the faces profile of the condenser type clamped beam in bandpass filter in the present invention.
Figure includes：Microwave antenna 1, microwave filter 2, rechargeable battery 3, dc source 4, low-noise amplifier 5, vibration
The clamped beam frequency mixer 6 of signals leakiness collection of energy, local oscillator 7, intermediate-frequency filter 8, intermediate frequency output 9, structure 10 is mixed,
Bandpass filter 11, AC/DC modular converters 12, local oscillated signal input port 13, signal input port 14, mixed frequency signal is defeated
The substrate 16 of exit port 15, first paragraph transmission line 17, second segment transmission line 18, the first anchor area 19, the second anchor area 20, clamped beam 21,
Metal pad22, first medium layer 23, the first pull-down electrode 24, second dielectric layer 25, the second pull-down electrode 26, the 3rd dielectric layer
27, SiO2Layer 28, the first planar inductor L1, the second planar inductor L2, the K1 of condenser type clamped beam one, the K2 of condenser type clamped beam two.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, it should be understood that these examples are merely to illustrate this
Invention rather than limitation the scope of the present invention, after the present invention has been read, those skilled in the art are various to the present invention's
The modification of the equivalent form of value falls within the application appended claims limited range.
As shown in figure 1, the clamped beam microwave receiver front end that a kind of internet of things oriented release model is collected, including microwave day
Line 1, microwave filter 2, rechargeable battery 3, dc source 4, low-noise amplifier 5, oscillation signals leak collection of energy it is clamped
Beam frequency mixer 6, local oscillator 7, intermediate-frequency filter 8 and intermediate frequency output 9；The microwave antenna 1 is used for receiving microwave signal；Institute
Microwave filter 2 is stated to be used for filtering out the clutter in the signal that microwave antenna 1 receives；The rechargeable battery 3 is used to turn AC/DC
The obtained DC voltage energy storage of mold changing block 12 is while in parallel with dc source 4 among battery, and oneself is realized to active circuit
Power supply；The low-noise amplifier 5 is used for the microwave signal of amplifilter output and accesses frequency mixer；The oscillator signal is let out
The clamped beam frequency mixer 6 of leakage collection of energy is used for the self-mixing production for while signal mixing is realized, eliminating local oscillated signal
Raw DC maladjustment, collect the energy of the local oscillated signal of mixing structure leakage, and the energy that will leak out by AC/DC modular converters
Amount is stored among battery after being converted into DC voltage；The local oscillator 7 is used to produce local oscillated signal；The intermediate frequency
Wave filter 8 is used to export intermediate-freuqncy signal after filtering.
The microwave antenna 1 is connected to the input of microwave filter 2, the output end of microwave filter 2 and low noise
The input of amplifier 5 is connected, and the output end of the low-noise amplifier 5 connects the clamped of oscillation signals leak collection of energy
The signal input port 14 of beam frequency mixer 6, the output end of the local oscillator 7 are clamped with oscillation signals leak collection of energy
The local oscillated signal input port 13 of beam frequency mixer 6 is connected, and the clamped beam frequency mixer 6 of oscillation signals leak collection of energy mixes
Frequency signal output port 15 is connected with the input of intermediate-frequency filter 8, the output end connection intermediate frequency output 9 of intermediate-frequency filter 8, obtains
The accessible metastable intermediate-freuqncy signal in microwave receiver rear end；The clamped beam frequency mixer 6 of oscillation signals leak collection of energy
AC/DC modular converters 12 connect rechargeable battery 3, after rechargeable battery 3 is in parallel with dc source 4, be low-noise amplifier 5, shake
Swing the clamped beam frequency mixer 6 of signals leakiness collection of energy and local oscillator 7 provides energy and realizes self-powered.
Microwave antenna 1 receives microwave signal, and the signal after microwave filter 2, put by the low noise for reaching next stage
Big device 5, then clamped beam frequency mixer 6 of the exaggerated microwave signal Jing Guo oscillation signals leak collection of energy, is passed except realizing
System mixing structure downconverts to input signal outside the function of intermediate-freuqncy signal, and the local that can collect mixing structure leakage shakes
Swing the energy of signal.Signal after mixing can obtain manageable intermediate-freuqncy signal after the filtering of intermediate-frequency filter 8.Shake
Swing the AC/DC modular converters connection rechargeable battery 3 of the clamped beam frequency mixer 6 of signals leakiness collection of energy, rechargeable battery 3 and direct current
After the parallel connection of power supply 4, common is low-noise amplifier 5, the clamped beam frequency mixer 6 of oscillation signals leak collection of energy and local oscillations
Device 7 provides energy.The clamped beam frequency mixer 6 of described oscillation signals leak collection of energy have collected to be passed through by local oscillated signal
The energy of mixing structure leakage is simultaneously stored in rechargeable battery 3, is avoided local oscillated signal self-mixing, is reduced direct current work(
Consumption.
As shown in Fig. 2 the clamped beam frequency mixer 6 of the oscillation signals leak collection of energy includes bandpass filter 11, AC/
DC modular converters 12, local oscillated signal input port 13, signal input port 14, mixed frequency signal output port 15 and mixing are tied
Structure 10, wherein the mixing structure 10 is three-port network, three ports are respectively signal input port 14, local oscillated signal
Input port 13 and mixed frequency signal output port 15；The input phase of the signal input port 14 and the bandpass filter 11
Lian Hou, the signal input port 14 are connected with being mixed the input of structure 10 again, the local oscillations letter of the mixing structure 10
Number input port 13 connects the output end of local oscillator 7, the output end connection AC/DC modular converters of the bandpass filter 11
12, the intermediate-freuqncy signal after the output mixing of mixed frequency signal output port 15 of ultimately mixing structure 10.The bandpass filter 11
Centre frequency is identical with the frequency of local oscillated signal, the energy that will can be leaked by local oscillated signal by mixing structure 10
Absorb, solve the problems, such as the local oscillated signal self-mixing of leakage, and input signal belongs to the stopband frequency of bandpass filter 11
Domain, its frequency are in beyond the passband of bandpass filter 11, will not be directly entered mixing structure 10 by bandpass filter 11.
The clamped beam frequency mixer 6 of the oscillation signals leak collection of energy is the device of three ports, between port not
It is entirely isolated, after increasing local oscillator 7, part local oscillated signal can pass to signal input port by frequency mixer
14, the frequency of local oscillated signal is fc, so being leaked to the frequency of the part local oscillated signal of signal input port 14
It is fc；The centre frequency of the bandpass filter 11 is fc, it is meant that frequency is that fc signal can pass by bandpass filter 11
To AC/DC modular converters 12, and the signal that frequency is not fc will not be by bandpass filter 11, so the local oscillator of leakage
Signal has finally passed to AC/DC modules 12, and AC signal is converted to direct current signal by AC/DC modules 12, can give rechargeable battery 3
Charging.
As shown in figure 3, the bandpass filter 11 is solid including the first planar inductor L1, the second planar inductor L2, condenser type
The K1 of the strutbeam one and K2 of condenser type clamped beam two；The first paragraph transmission line 17 of the K1 of condenser type clamped beam one is defeated as microwave signal
Inbound port, the second segment transmission line 18 of the K1 of condenser type clamped beam one connect the first planar inductor L1 left port, the electricity
The K1 of appearance formula clamped beam one metal pad22 connections ground, right output port and second planar inductor of the first planar inductor L1
After L2 left port is connected, then be connected with the first paragraph transmission line 17 of the K2 of condenser type clamped beam two, second plane is electric
Feel L2 right output port ground connection, the K2 of condenser type clamped beam two second segment transmission line 18 is hanging, the K2's of condenser type clamped beam two
Metal pad22 leads are connected as the output end of wave filter with AC/DC modular converters 12.By controlling the K1 of condenser type clamped beam one
The drop-down driving voltage pulled down with the K2 of condenser type clamped beam two the first drop-down driving electrodes 24, second in driving electrodes 26 can
The size of the electric capacity of access is adjusted, so as to adjust the passband frequency domain of wave filter.
As shown in Figure 4 and Figure 5, condenser type clamped beam includes the K1 of condenser type clamped beam one and electricity in the bandpass filter 11
The K2 of appearance formula clamped beam two；The condenser type clamped beam is disposed with HR-Si substrate 16, silicon dioxide layer 28, institute from down to up
One end that first paragraph transmission line 17 is arranged at the surface of silicon dioxide layer 28 is stated, the second segment transmission line 18 is arranged at silica
The other end on 28 surface of layer；Second dielectric layer 25, first medium layer 23 and the 3rd dielectric layer 27 are from left to right set in turn in
The surface of silicon dioxide layer 28 between one section of transmission line 17 and second segment transmission line 18；First pull-down electrode 24 is located at second medium
In layer 25, and the bottom of first pull-down electrode 24 is in contact with the surface of silicon dioxide layer 28；Metal pad is metal pole
Plate 22 is located in first medium layer 23, and the bottom of the metal pad22 is in contact with the surface of silicon dioxide layer 28；Second
Pull-down electrode 26 is located in the 3rd dielectric layer 27, and the bottom of second pull-down electrode 26 and the surface of silicon dioxide layer 28
It is in contact；First anchor area 19 is arranged on first paragraph transmission line 17, and the second anchor area 20 is arranged on second segment transmission line 18, clamped
Beam 21 is maked somebody a mere figurehead between the first anchor area 19 and the second anchor area 20, and described one end of clamped beam 21 is in contact with the inner side of the first anchor area 19,
The other end of the clamped beam 21 is in contact with the inner side in the second anchor area 20.The first medium layer 23, second dielectric layer 25,
Three dielectric layers 27 are insulating silicon nitride dielectric layer.
Present invention be distinguished in that：
The clamped beam microwave receiver front end that the internet of things oriented release model of the present invention is collected includes oscillation signals leak
The clamped beam frequency mixer 6 of collection of energy.The clamped beam frequency mixer 6 of oscillation signals leak collection of energy is before traditional mixing structure
In parallel bandpass filter and AC/DC modular converters are collecting the local oscillated signal energy leaked by mixing structure.Band logical
Wave filter is made up of planar inductor and condenser type clamped beam, by the drop-down driving voltage for simply controlling condenser type clamped beam
To adjust the size of the electric capacity of access filter network, so as to adjust the passband frequency domain of wave filter so that input signal will not be by this
Wave filter filters out, and the local oscillated signal to be come by the leakage of mixing structure can reach AC/DC modular converters by wave filter, and
Be converted to direct current signal to collect, be stored among rechargeable battery.
The clamped beam microwave receiver front end that the internet of things oriented release model of the present invention is collected includes rechargeable battery 3.Fill
After battery 3 is in parallel with dc source 4, be low-noise amplifier 5, oscillation signals leak collection of energy clamped beam frequency mixer 6,
Local oscillator 7 is powered, and realizes the self-powered of active circuit.
Meet that the structure of conditions above can be considered the clamped beam microwave that the internet of things oriented release model of the present invention is collected
Receiver front end.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
- A kind of 1. clamped beam microwave receiver front end that internet of things oriented release model is collected, it is characterised in that：Including microwave day Line (1), microwave filter (2), rechargeable battery (3), dc source (4), low-noise amplifier (5), oscillation signals leak energy Clamped beam frequency mixer (6), local oscillator (7), intermediate-frequency filter (8) and the intermediate frequency output (9) of collection；The microwave antenna (1) input of microwave filter (2), microwave filter (2) output end and the input of low-noise amplifier (5) are connected to End is connected, the clamped beam frequency mixer (6) of the output end connection oscillation signals leak collection of energy of the low-noise amplifier (5) Signal input port (14), the clamped beam of the output end and oscillation signals leak collection of energy of the local oscillator (7) mixes The local oscillated signal input port (13) of frequency device (6) is connected, the clamped beam frequency mixer (6) of oscillation signals leak collection of energy Mixed frequency signal output port (15) is connected with intermediate-frequency filter (8) input, and the output end connection intermediate frequency of intermediate-frequency filter (8) is defeated Go out (9), obtain the accessible metastable intermediate-freuqncy signal in microwave receiver rear end；Oscillation signals leak collection of energy it is clamped AC/DC modular converters (12) the connection rechargeable battery (3) of beam frequency mixer (6), after rechargeable battery (3) is in parallel with dc source (4), Energy is provided for low-noise amplifier (5), the clamped beam frequency mixer (6) of oscillation signals leak collection of energy and local oscillator (7) Measure and realize self-powered, the clamped beam frequency mixer (6) of the oscillation signals leak collection of energy have collected by local oscillated signal By being mixed the energy of structure leakage and being stored in rechargeable battery (3).
- 2. the clamped beam microwave receiver front end that a kind of internet of things oriented release model according to claim 1 is collected, its It is characterised by：Receiver uses the microwave antenna (1) reception signal, and access microwave filter (2) is filtered, filtered Signal amplifies into low-noise amplifier (5), and exaggerated microwave signal enters the clamped beam of oscillation signals leak collection of energy Frequency mixer (6), while realizing mixing, DC maladjustment caused by the self-mixing of local oscillated signal is eliminated, and collect vibration The energy of the local oscillated signal of clamped beam frequency mixer (6) leakage of signals leakiness collection of energy, while by AC/DC modular converters (12) energy conversion that will leak out is into being stored in rechargeable battery (3) after DC voltage, and the signal after being mixed connects intermediate frequency filtering Device (8), finally realize that intermediate frequency exports (9).
- 3. the clamped beam microwave receiver front end that a kind of internet of things oriented release model according to claim 1 is collected, its It is characterised by：The clamped beam frequency mixer (6) of the oscillation signals leak collection of energy includes bandpass filter (11), AC/DC turns Block (12) and mixing structure (10) are changed the mold, wherein the mixing structure (10) is three-port network, three ports are respectively signal Input port (14), local oscillated signal input port (13) and mixed frequency signal output port (15)；The signal input port (14) after being connected with the input of the bandpass filter (11), the signal input port (14) is again with being mixed structure (10) Input is connected, the output of local oscillated signal input port (13) the connection local oscillator (7) of the mixing structure (10) End, the output end connection AC/DC modular converters (12) of the bandpass filter (11), the mixed frequency signal of ultimately mixing structure (10) Intermediate-freuqncy signal after output port (15) output mixing.
- 4. the clamped beam microwave receiver front end that a kind of internet of things oriented release model according to claim 3 is collected, its It is characterised by：The bandpass filter (11) includes the first planar inductor L1, the second planar inductor L2 and condenser type clamped beam, The condenser type clamped beam includes the K1 of the condenser type clamped beam one and K2 of condenser type clamped beam two；The K1's of condenser type clamped beam one First paragraph transmission line (17) is used as microwave signal input port, and the second segment transmission line (18) of the K1 of condenser type clamped beam one is even Connect the first planar inductor L1 left port, metal pad (22) the connections ground of the K1 of condenser type clamped beam one, first plane After inductance L1 right output port is connected with the left port of the second planar inductor L2, then with the K2 of condenser type clamped beam two One section of transmission line (17) is connected, and the right output port ground connection of the second planar inductor L2, the K2 of condenser type clamped beam two second segment passes Vacantly, metal pad (22) leads of the K2 of condenser type clamped beam two turn defeated line (18) as the output end of wave filter with AC/DC Change the mold block (12) be connected, by control the K1 of condenser type clamped beam one and the K2 of condenser type clamped beam two the first pull-down electrode (24) and The size of the electric capacity of drop-down driving voltage regulation access in second pull-down electrode (26), so as to adjust the passband of wave filter frequency Domain.
- 5. the clamped beam microwave receiver front end that a kind of internet of things oriented release model according to claim 4 is collected, its It is characterised by：The condenser type clamped beam is disposed with substrate (16), silicon dioxide layer (28), the first paragraph from down to up Transmission line (17) is arranged at the one end on silicon dioxide layer (28) surface, and the second segment transmission line (18) is arranged at silicon dioxide layer (28) other end on surface；Second dielectric layer (25), first medium layer (23) and the 3rd dielectric layer (27) are from left to right set successively Silicon dioxide layer (28) surface being placed between first paragraph transmission line (17) and second segment transmission line (18)；First pull-down electrode (24) in second dielectric layer (25), and the bottom of first pull-down electrode (24) and the silicon dioxide layer (28) surface It is in contact；Metal pad (22) is located in first medium layer (23), and the metal pad (22) bottom and the silica Layer (28) surface is in contact；Second pull-down electrode (26) is located in the 3rd dielectric layer (27), and second pull-down electrode (26) Bottom be in contact with the silicon dioxide layer (28) surface；First anchor area (19) is arranged on first paragraph transmission line (17), the Two anchor areas (20) are arranged on second segment transmission line (18), and clamped beam (21) is maked somebody a mere figurehead in the first anchor area (19) and the second anchor area (20) Between, described clamped beam (21) one end on the inside of the first anchor area (19) with being in contact, the other end and second of the clamped beam (21) Anchor area is in contact on the inside of (20).
- 6. the clamped beam microwave receiver front end that a kind of internet of things oriented release model according to claim 5 is collected, its It is characterised by：The first medium layer (23), second dielectric layer (25), the 3rd dielectric layer (27) are insulating silicon nitride medium Layer.
- 7. the clamped beam microwave receiver front end that a kind of internet of things oriented release model according to claim 5 is collected, its It is characterised by：The substrate (16) is HR-Si substrate.
- 8. the clamped beam microwave receiver front end that a kind of internet of things oriented release model according to claim 3 is collected, its It is characterised by：The centre frequency of the bandpass filter (11) is identical with the frequency of local oscillated signal, can will be by locally shaking Energy absorption of the signal by mixing structure (10) leakage is swung, solves the problems, such as the local oscillated signal self-mixing of leakage, and Input signal belongs to the stopband frequency domain of bandpass filter (11), and its frequency is in beyond the passband of bandpass filter (11), will not By bandpass filter (11), mixing structure (10) is directly entered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696943.6A CN107483065A (en) | 2017-08-15 | 2017-08-15 | The clamped beam microwave receiver front end that internet of things oriented release model is collected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710696943.6A CN107483065A (en) | 2017-08-15 | 2017-08-15 | The clamped beam microwave receiver front end that internet of things oriented release model is collected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107483065A true CN107483065A (en) | 2017-12-15 |
Family
ID=60599619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710696943.6A Pending CN107483065A (en) | 2017-08-15 | 2017-08-15 | The clamped beam microwave receiver front end that internet of things oriented release model is collected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107483065A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524433Y (en) * | 2002-02-06 | 2002-12-04 | 信息产业部电子第五十四研究所 | Multichannel radio signal transponder |
| CN101141120A (en) * | 2007-10-12 | 2008-03-12 | 东南大学 | Microelectronic mechanical variable bandpass filter and process for producing the same |
| CN102098067A (en) * | 2011-01-07 | 2011-06-15 | 东南大学 | Microwave receiver front end based on online microelectro mechanical microwave power sensor |
| CN104254958A (en) * | 2012-02-09 | 2014-12-31 | 胡玛沃克斯公司 | Energy harvesting system |
| CN104270098A (en) * | 2014-10-17 | 2015-01-07 | 成都九华圆通科技发展有限公司 | Microwave broadband down converter |
| CN106656903A (en) * | 2016-12-03 | 2017-05-10 | 河池学院 | Microwave transmission system |
-
2017
- 2017-08-15 CN CN201710696943.6A patent/CN107483065A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524433Y (en) * | 2002-02-06 | 2002-12-04 | 信息产业部电子第五十四研究所 | Multichannel radio signal transponder |
| CN101141120A (en) * | 2007-10-12 | 2008-03-12 | 东南大学 | Microelectronic mechanical variable bandpass filter and process for producing the same |
| CN102098067A (en) * | 2011-01-07 | 2011-06-15 | 东南大学 | Microwave receiver front end based on online microelectro mechanical microwave power sensor |
| CN104254958A (en) * | 2012-02-09 | 2014-12-31 | 胡玛沃克斯公司 | Energy harvesting system |
| CN104270098A (en) * | 2014-10-17 | 2015-01-07 | 成都九华圆通科技发展有限公司 | Microwave broadband down converter |
| CN106656903A (en) * | 2016-12-03 | 2017-05-10 | 河池学院 | Microwave transmission system |
Non-Patent Citations (1)
| Title |
|---|
| 徐守时: "《信号与系统 第2版》", 30 June 2016 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102394514B (en) | Microwave energy receiving board formed by secondary wavelength resonance structural units | |
| CN107483064A (en) | The cantilever beam receiver front end that internet of things oriented standing wave energy and excess energy are collected | |
| CN107483065A (en) | The clamped beam microwave receiver front end that internet of things oriented release model is collected | |
| CN103812468B (en) | Micromechanics clamped beam type π type continuous reconfigurable microwave band filter | |
| CN107579746A (en) | The self-powered clamped beam microwave receiver front end of internet of things oriented | |
| CN107565986A (en) | The cantilever beam microwave receiver front end that internet of things oriented release model is collected | |
| CN107565996A (en) | The cantilever beam receiver front end that internet of things oriented standing wave energy and release model are collected | |
| CN103414448A (en) | Micro band-pass balanced filter | |
| CN107404329A (en) | The self-powered microwave receiver front end of internet of things oriented | |
| CN107565924A (en) | The clamped beam receiver front end that internet of things oriented standing wave energy and release model are collected | |
| CN107579748A (en) | The cantilever beam microwave receiver front end that a kind of internet of things oriented standing wave energy is collected | |
| CN107579744A (en) | The clamped beam microwave receiver front end that a kind of internet of things oriented standing wave energy is collected | |
| CN209299240U (en) | A kind of high performance wideband Receiver Module | |
| CN107395229A (en) | The clamped beam receiver front end that internet of things oriented standing wave energy and excess energy are collected | |
| CN102594405B (en) | Power line carrier communication circuit with self-calibration function | |
| CN107493110A (en) | The cantilever beam receiver front end of the clutter collection of energy of internet of things oriented | |
| CN206402393U (en) | A kind of wireless microphone receiver signal processing system | |
| CN107645279A (en) | The clamped beam frequency mixer of the oscillation signals leak collection of energy of internet of things oriented | |
| CN206060690U (en) | 40 doubler of new snap-off diode | |
| CN107395230A (en) | The clamped beam receiver front end that internet of things oriented excess energy and release model are collected | |
| CN205490530U (en) | Switch filtering module | |
| CN107395231A (en) | The cantilever beam receiver front end that the LNA of internet of things oriented standing wave energy is collected | |
| CN209120147U (en) | A kind of ultra-wide band filter of miniaturization | |
| CN107565999A (en) | The clamped beam receiver front end of the clutter collection of energy of internet of things oriented | |
| CN208001279U (en) | A kind of circuit structure based on signal transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171215 |