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JPS5711505A - Frequency multiplying circuit - Google Patents

Frequency multiplying circuit

Info

Publication number
JPS5711505A
JPS5711505A JP8630680A JP8630680A JPS5711505A JP S5711505 A JPS5711505 A JP S5711505A JP 8630680 A JP8630680 A JP 8630680A JP 8630680 A JP8630680 A JP 8630680A JP S5711505 A JPS5711505 A JP S5711505A
Authority
JP
Japan
Prior art keywords
signal
constitution
connecting point
input
complementary
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
Application number
JP8630680A
Other languages
Japanese (ja)
Inventor
Kazumi Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP8630680A priority Critical patent/JPS5711505A/en
Publication of JPS5711505A publication Critical patent/JPS5711505A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/06—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes
    • H03B19/14—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source by means of discharge device or semiconductor device with more than two electrodes by means of a semiconductor device

Landscapes

  • Oscillators With Electromechanical Resonators (AREA)

Abstract

PURPOSE:To achieve a frequency doubler with a simple circuit constitution suitable for circuit integration, by applying a complementary signal to input terminals of a differential amplifier and wave-shaping double frequency signal obtained at a common connecting point. CONSTITUTION:Complementary input signals (a),(b), are inputted to the base of transistors (TR)1,2 constituting a differential amplifier, and a common connecting point (c) of the emitter is grounded via a constant current source 3. At the connecting point (c) with this constitution, a signal having potential lower than the base to emitter forward voltage drop of the TRs1,2 from the input signal in higher potential among the complementary input signals (a),(b), is obtained. Thus, the signal at the connecting point (c) has twice frequency as the input signal, and a double multiplied signal of the input signal can be obtained a terminal (d) by giving the double frequency signal to an amplifier or a logical gate circuit 4. The arrangement of the TRs1,2 with this constitution can be obtained easily through circuit integration.
JP8630680A 1980-06-25 1980-06-25 Frequency multiplying circuit Pending JPS5711505A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8630680A JPS5711505A (en) 1980-06-25 1980-06-25 Frequency multiplying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8630680A JPS5711505A (en) 1980-06-25 1980-06-25 Frequency multiplying circuit

Publications (1)

Publication Number Publication Date
JPS5711505A true JPS5711505A (en) 1982-01-21

Family

ID=13883144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8630680A Pending JPS5711505A (en) 1980-06-25 1980-06-25 Frequency multiplying circuit

Country Status (1)

Country Link
JP (1) JPS5711505A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138820A (en) * 1986-11-29 1988-06-10 Murata Mfg Co Ltd Voltage controlled oscillation circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63138820A (en) * 1986-11-29 1988-06-10 Murata Mfg Co Ltd Voltage controlled oscillation circuit

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