MX9305192A - Circuito de control de realimentacion negativa, que tiene una linea comun para señales de entrada y de salida. - Google Patents
Circuito de control de realimentacion negativa, que tiene una linea comun para señales de entrada y de salida.Info
- Publication number
- MX9305192A MX9305192A MX9305192A MX9305192A MX9305192A MX 9305192 A MX9305192 A MX 9305192A MX 9305192 A MX9305192 A MX 9305192A MX 9305192 A MX9305192 A MX 9305192A MX 9305192 A MX9305192 A MX 9305192A
- Authority
- MX
- Mexico
- Prior art keywords
- local oscillator
- output terminal
- input
- common line
- control circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
- H03J1/0041—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers
- H03J1/005—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor for frequency synthesis with counters or frequency dividers in a loop
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Television Receiver Circuits (AREA)
Abstract
Se presenta un receptor de televisión que tiene un sintonizador controlado electrónicamente. Un oscilador local controlado (42) provee una señal de oscilador local para el mezclador (18). El oscilador local contiene (42) incluye un primer terminal de entrada para recibir una señal de control para controlar su frecuencia y un primer terminal de salida para proveer una señal de oscilador local de salida. Un circuito (16) inmovilizado en fase, incluye un segundo terminal de entrada para recibir la señal de oscilador local, y un segundo terminal de salida para proveer una señal nuevamente al primer terminal de entrada del oscilador local controlado, para controlar su frecuencia. Por lo menos una porción del acoplamiento entre el primer terminal de salida y el segundo terminal de salida, y el segundo terminal de salida y el primer terminal de salida, tienen una linea común.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US93748892A | 1992-08-28 | 1992-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9305192A true MX9305192A (es) | 1994-05-31 |
Family
ID=25469983
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9305192A MX9305192A (es) | 1992-08-28 | 1993-08-26 | Circuito de control de realimentacion negativa, que tiene una linea comun para señales de entrada y de salida. |
Country Status (10)
Country | Link |
---|---|
US (1) | US5535443A (es) |
EP (1) | EP0639893B1 (es) |
JP (1) | JP3060352B2 (es) |
KR (1) | KR100274325B1 (es) |
CN (1) | CN1052603C (es) |
DE (1) | DE69328484T2 (es) |
ES (1) | ES2145020T3 (es) |
MX (1) | MX9305192A (es) |
MY (1) | MY109735A (es) |
SG (1) | SG66227A1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19600208B4 (de) * | 1995-01-04 | 2006-05-24 | Funai Electric Co., Ltd., Daito | Schaltungsvorrichtung für ein Videosignal-Verarbeitungsgerät |
JP2974296B2 (ja) * | 1997-06-13 | 1999-11-10 | 静岡日本電気株式会社 | 無線選択呼出受信機 |
US5870439A (en) * | 1997-06-18 | 1999-02-09 | Lsi Logic Corporation | Satellite receiver tuner chip having reduced digital noise interference |
US6194976B1 (en) * | 1999-03-29 | 2001-02-27 | Qualcomm Incorporated | Multiple band voltage controlled oscillator using impedance scaling |
US6504443B1 (en) | 2000-05-17 | 2003-01-07 | Nec America, Inc., | Common anode varactor tuned LC circuit |
JP4434825B2 (ja) * | 2003-05-08 | 2010-03-17 | パナソニック株式会社 | インパルス波形生成装置 |
US7672654B2 (en) * | 2005-07-08 | 2010-03-02 | Casio Computer Co., Ltd. | Broadcasting receiver and method of receiving a broadcasting wave |
US9287886B2 (en) | 2008-02-29 | 2016-03-15 | Qualcomm Incorporated | Dynamic reference frequency for fractional-N Phase-Locked Loop |
JP2013058904A (ja) * | 2011-09-08 | 2013-03-28 | Alps Electric Co Ltd | 位相同期回路及びテレビジョン信号受信回路 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3959728A (en) * | 1974-01-18 | 1976-05-25 | Hitachi, Ltd. | Local oscillation circuit for tuner having reduced inter-channel deviation in AFC sensitivity |
GB1529116A (en) * | 1976-06-25 | 1978-10-18 | Indesit | Receiver having a device for tuning the receiver to a selected signal frequency for reception by the receiver |
US4160213A (en) * | 1977-09-29 | 1979-07-03 | Rca Corporation | Mixer injection voltage compensation circuit |
US4367558A (en) * | 1980-12-22 | 1983-01-04 | Motorola, Inc. | Method for automatically searching for an RF station |
JPS59190731A (ja) * | 1983-04-14 | 1984-10-29 | Yaesu Musen Co Ltd | 受信機回路 |
CN1005305B (zh) * | 1985-05-21 | 1989-09-27 | 菲利浦光灯制造公司 | 具有一个射频谐振回路自动调节线路的电视接收机 |
US4837852A (en) * | 1985-06-17 | 1989-06-06 | Toko, Inc. | Electronic tuning circuit for AM receiver which is easy to effect tracking adjustment |
CN1021869C (zh) * | 1989-11-02 | 1993-08-18 | 机械电子工业部第三研究所 | 电视高频调谐器控制接口电路 |
-
1993
- 1993-07-14 MY MYPI93001384A patent/MY109735A/en unknown
- 1993-08-20 ES ES93113317T patent/ES2145020T3/es not_active Expired - Lifetime
- 1993-08-20 DE DE69328484T patent/DE69328484T2/de not_active Expired - Fee Related
- 1993-08-20 SG SG1996001966A patent/SG66227A1/en unknown
- 1993-08-20 EP EP93113317A patent/EP0639893B1/en not_active Expired - Lifetime
- 1993-08-26 KR KR1019930016662A patent/KR100274325B1/ko not_active IP Right Cessation
- 1993-08-26 MX MX9305192A patent/MX9305192A/es not_active IP Right Cessation
- 1993-08-27 CN CN93109730A patent/CN1052603C/zh not_active Expired - Fee Related
- 1993-08-27 JP JP5247610A patent/JP3060352B2/ja not_active Expired - Fee Related
-
1995
- 1995-02-09 US US08/386,246 patent/US5535443A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
KR100274325B1 (ko) | 2000-12-15 |
EP0639893A1 (en) | 1995-02-22 |
CN1083996A (zh) | 1994-03-16 |
US5535443A (en) | 1996-07-09 |
DE69328484T2 (de) | 2000-09-07 |
ES2145020T3 (es) | 2000-07-01 |
DE69328484D1 (de) | 2000-05-31 |
KR940005139A (ko) | 1994-03-16 |
SG66227A1 (en) | 1999-07-20 |
CN1052603C (zh) | 2000-05-17 |
EP0639893B1 (en) | 2000-04-26 |
JPH06204805A (ja) | 1994-07-22 |
MY109735A (en) | 1997-05-31 |
JP3060352B2 (ja) | 2000-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |