KR100473164B1 - 파워 검출기를 이용한 트랙킹 필터 - Google Patents
파워 검출기를 이용한 트랙킹 필터 Download PDFInfo
- Publication number
- KR100473164B1 KR100473164B1 KR10-2002-0062665A KR20020062665A KR100473164B1 KR 100473164 B1 KR100473164 B1 KR 100473164B1 KR 20020062665 A KR20020062665 A KR 20020062665A KR 100473164 B1 KR100473164 B1 KR 100473164B1
- Authority
- KR
- South Korea
- Prior art keywords
- power detector
- filter
- amplifier
- combiner
- tracking filter
- 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.)
- Expired - Fee Related
Links
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
- H03H11/1291—Current or voltage controlled filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0251—Comb filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0248—Filters characterised by a particular frequency response or filtering method
- H03H17/0255—Filters based on statistics
- H03H17/0257—KALMAN filters
Landscapes
- Amplifiers (AREA)
- Filters And Equalizers (AREA)
- Networks Using Active Elements (AREA)
Abstract
Description
Claims (2)
- 입력 신호를 소정의 레벨로 증폭하여 출력하는 증폭기와;상기 증폭기로부터 출력된 신호를 분리하는 결합기와;상기 결합기로부터 분리된 신호를 직류 전압으로 변환하는 파워 검출기와;상기 파워 검출기로부터 인가된 직류 전압에 따라 선택된 주파수가 동조될 때까지 정전 용량이 비례 증가하는 가변용량 다이오드를 포함하여, 상기 선택된 주파수 대역으로 필터링하는 밴드패스필터부를 포함하여 이루어진 것을 특징으로 하는 파워 검출기를 이용한 트랙킹 필터.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0062665A KR100473164B1 (ko) | 2002-10-15 | 2002-10-15 | 파워 검출기를 이용한 트랙킹 필터 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0062665A KR100473164B1 (ko) | 2002-10-15 | 2002-10-15 | 파워 검출기를 이용한 트랙킹 필터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040033535A KR20040033535A (ko) | 2004-04-28 |
KR100473164B1 true KR100473164B1 (ko) | 2005-03-10 |
Family
ID=37332958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0062665A Expired - Fee Related KR100473164B1 (ko) | 2002-10-15 | 2002-10-15 | 파워 검출기를 이용한 트랙킹 필터 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100473164B1 (ko) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03143009A (ja) * | 1989-10-27 | 1991-06-18 | Nec Corp | 電気同調式帯域通過フィルターの制御回路 |
JPH04154201A (ja) * | 1990-10-17 | 1992-05-27 | Victor Co Of Japan Ltd | 位相追尾型fm復調回路 |
JPH04154309A (ja) * | 1990-10-18 | 1992-05-27 | Victor Co Of Japan Ltd | 位相追尾型fm復調回路 |
JPH05333141A (ja) * | 1991-06-24 | 1993-12-17 | Harutaka Hirozawa | 高感度探索信号検出レーダシステム |
US6212367B1 (en) * | 1996-09-27 | 2001-04-03 | Nec Corporation | Mobile telephone apparatus with tunable filter tuned to the transmit band |
JP2001136081A (ja) * | 1999-11-05 | 2001-05-18 | Mitsubishi Electric Corp | レベル検出装置 |
JP2002164805A (ja) * | 2000-10-06 | 2002-06-07 | Zarlink Semiconductor Ltd | チューナ |
KR20020062390A (ko) * | 2001-01-20 | 2002-07-26 | 한국과학기술연구원 | Usb방식으로 이루어진 디지털 프로그램이 가능한트랙킹 필터 |
-
2002
- 2002-10-15 KR KR10-2002-0062665A patent/KR100473164B1/ko not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03143009A (ja) * | 1989-10-27 | 1991-06-18 | Nec Corp | 電気同調式帯域通過フィルターの制御回路 |
JPH04154201A (ja) * | 1990-10-17 | 1992-05-27 | Victor Co Of Japan Ltd | 位相追尾型fm復調回路 |
JPH04154309A (ja) * | 1990-10-18 | 1992-05-27 | Victor Co Of Japan Ltd | 位相追尾型fm復調回路 |
JPH05333141A (ja) * | 1991-06-24 | 1993-12-17 | Harutaka Hirozawa | 高感度探索信号検出レーダシステム |
US6212367B1 (en) * | 1996-09-27 | 2001-04-03 | Nec Corporation | Mobile telephone apparatus with tunable filter tuned to the transmit band |
JP2001136081A (ja) * | 1999-11-05 | 2001-05-18 | Mitsubishi Electric Corp | レベル検出装置 |
JP2002164805A (ja) * | 2000-10-06 | 2002-06-07 | Zarlink Semiconductor Ltd | チューナ |
KR20020062390A (ko) * | 2001-01-20 | 2002-07-26 | 한국과학기술연구원 | Usb방식으로 이루어진 디지털 프로그램이 가능한트랙킹 필터 |
Also Published As
Publication number | Publication date |
---|---|
KR20040033535A (ko) | 2004-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4497470B2 (ja) | 高周波電力増幅装置および送信装置 | |
KR950004747B1 (ko) | Fm프론트엔드부의 agc회로 | |
WO2021147743A1 (en) | Receiver circuits with blocker attenuating rf filter | |
TW331681B (en) | Wide-band low-noise low-crossover distortion receiver | |
RU2171007C2 (ru) | Детектор уровня и способ детектирования уровня входного сигнала | |
US20110043279A1 (en) | Electronic volume circuit | |
KR100554066B1 (ko) | 가변 평균 스위칭 주파수를 갖는 펄스폭 변조 방식 오디오증폭기 | |
RU94046427A (ru) | Параллельные апериодические упч | |
JP2006340166A (ja) | 歪補償増幅器 | |
KR100473164B1 (ko) | 파워 검출기를 이용한 트랙킹 필터 | |
JP2011087034A (ja) | 受信回路及び半導体装置 | |
TW200514444A (en) | Data slicer circuit, integrate circuit and data detection method | |
KR20060041033A (ko) | 디지털 오디오 증폭기, 그것을 포함하는 오디오 시스템,및 오디오 신호 증폭방법 | |
JP5776794B2 (ja) | 増幅回路 | |
US10483914B2 (en) | Very high fidelity audio amplifier | |
US20040122544A1 (en) | Delta-sigma modulator, method of switching delta-sigma modulator, and digital amplifier | |
CN105939503B (zh) | 一种多模式麦克风 | |
US6658120B2 (en) | Polarity-independent transmission system | |
KR100360117B1 (ko) | 저잡음 주파수 변환기의 전원 안정화 회로 | |
SU690613A1 (ru) | Управл емый фильтр | |
RU2726028C1 (ru) | Способ уменьшения порога чувствительности (собственных шумов) средств измерений первой производной по времени от магнитной индукции | |
JP2005039568A (ja) | 信号検出機能付き増幅回路 | |
DK201770694A1 (en) | Assembly for preventing phase error | |
RU2246173C2 (ru) | Широкополосный усилитель | |
JP2007174367A (ja) | 信号検出回路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20021015 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20040830 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20050205 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20050215 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20050216 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20080204 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20090129 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20100201 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20110131 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20120131 Start annual number: 8 End annual number: 8 |
|
FPAY | Annual fee payment |
Payment date: 20130205 Year of fee payment: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20130205 Start annual number: 9 End annual number: 9 |
|
FPAY | Annual fee payment |
Payment date: 20140128 Year of fee payment: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20140128 Start annual number: 10 End annual number: 10 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20160109 |