KR860001437B1 - 개선된 위상 동기를 갖는 위상 동기 루프 장치 - Google Patents
개선된 위상 동기를 갖는 위상 동기 루프 장치 Download PDFInfo
- Publication number
- KR860001437B1 KR860001437B1 KR8200896A KR820000896A KR860001437B1 KR 860001437 B1 KR860001437 B1 KR 860001437B1 KR 8200896 A KR8200896 A KR 8200896A KR 820000896 A KR820000896 A KR 820000896A KR 860001437 B1 KR860001437 B1 KR 860001437B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- detector
- coupled
- output
- phase
- 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
Links
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
- H04H20/46—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95
- H04H20/47—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems
- H04H20/49—Arrangements characterised by circuits or components specially adapted for broadcast specially adapted for broadcast systems covered by groups H04H20/53-H04H20/95 specially adapted for stereophonic broadcast systems for AM stereophonic broadcast systems
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/113—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using frequency discriminator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Stereo-Broadcasting Methods (AREA)
Abstract
Description
Claims (1)
- (정) 입력수단(10)과, 상기 입력수단에 결합되어 제1검파기 출력 신호를 공급하는 제1의 동상 검파기 수단(24)과, 상기 입력수단에 결합되어 제2검파기 출력 신호를 공급하는 제2의 직각 위상 검파기 수단(12)과, 상기 제2검파기 수단의 출력에 결합된 필터 수단(14)과, 상기 필터수단에 의해 제어되도록 결합되어 상기 제1 및 제2 검출기 수단에 적어도 한 신호를 공급하는 발진기 수단(16)을 구비하는 위상 동기 루프에 있어서, 상기 제1 및 제2 검파기 수단의 출력에 결합되어 상기 출력 신호간의 비트를 검파하고, 상기 신호의 상대 위상을 검파하고, 상기 검파에 응답하여 제어신호를 공급하는 논리수단(22)과, 상기 논리수단으로부터의 제어 신호에 응답하여 제2검파기 수단과 필터 수단간의 접속을 제어하도록 결합된 게이팅 수단(18)을 구비하는 것을 특징으로 하는 개선된 위상 동기를 갖는 위상 동기 루프 장치.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/240,445 US4377728A (en) | 1981-03-04 | 1981-03-04 | Phase locked loop with improved lock-in |
| US240,445 | 1981-03-04 | ||
| US240445 | 1981-03-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR830009698A KR830009698A (ko) | 1983-12-22 |
| KR860001437B1 true KR860001437B1 (ko) | 1986-09-24 |
Family
ID=22906555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR8200896A Expired KR860001437B1 (ko) | 1981-03-04 | 1982-03-04 | 개선된 위상 동기를 갖는 위상 동기 루프 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4377728A (ko) |
| EP (1) | EP0073220B1 (ko) |
| JP (1) | JPS58500189A (ko) |
| KR (1) | KR860001437B1 (ko) |
| DE (1) | DE3271409D1 (ko) |
| WO (1) | WO1982003143A1 (ko) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4542347A (en) * | 1982-03-30 | 1985-09-17 | International Standard Electric Corporation | Demodulator circuit with integrated automatic gain control |
| US4663188A (en) * | 1982-09-27 | 1987-05-05 | Rca Corporation | Method for making a photodetector with enhanced light absorption |
| US4606075A (en) * | 1983-09-21 | 1986-08-12 | Motorola, Inc. | Automatic gain control responsive to coherent and incoherent signals |
| US4747141A (en) * | 1983-10-24 | 1988-05-24 | Kahn Leonard R | AM stereo signal decoder |
| US4583244A (en) * | 1984-06-21 | 1986-04-15 | Motorola, Inc. | Automatic frequency control for local oscillator used with an AM stereo decoder |
| US4618981A (en) * | 1985-02-28 | 1986-10-21 | Motorola, Inc. | Tone detector with pseudo phase locked loop |
| US4679237A (en) * | 1985-08-02 | 1987-07-07 | Motorola, Inc. | Correction control circuit for AM stereophonic receivers |
| US4680794A (en) * | 1986-07-29 | 1987-07-14 | Motorola, Inc. | AM stereo system with modified spectrum |
| US4806934A (en) * | 1987-04-20 | 1989-02-21 | Raytheon Company | Tracking circuit for following objects through antenna nulls |
| US4811424A (en) * | 1987-04-24 | 1989-03-07 | Bell Communications Research, Inc. | Rapid phase correcting carrier recovery circuit |
| CN1012411B (zh) * | 1987-11-10 | 1991-04-17 | 日本电气株式会社 | 信道转换系统 |
| US4890072A (en) * | 1988-02-03 | 1989-12-26 | Motorola, Inc. | Phase locked loop having a fast lock current reduction and clamping circuit |
| US5253298A (en) * | 1991-04-18 | 1993-10-12 | Bose Corporation | Reducing audible noise in stereo receiving |
| US5222144A (en) * | 1991-10-28 | 1993-06-22 | Ford Motor Company | Digital quadrature radio receiver with two-step processing |
| US5359661A (en) * | 1992-10-01 | 1994-10-25 | Delco Electronics Corporation | Out-of-lock detector for synchronous AM detection |
| US5341431A (en) * | 1992-10-01 | 1994-08-23 | Delco Electronics Corporation | AM stereo detection and audio processing apparatus |
| US5384551A (en) * | 1993-02-25 | 1995-01-24 | Delco Electronics Corporation | Fast locking phase locked loop frequency synthesizer |
| GB9415185D0 (en) * | 1994-07-28 | 1994-09-21 | Thomson Consumer Electronics | Fast acting control system |
| JP3586006B2 (ja) * | 1995-09-08 | 2004-11-10 | 東芝デジタルメディアエンジニアリング株式会社 | Amステレオデコーダ回路 |
| US5694088A (en) * | 1996-07-08 | 1997-12-02 | Maxim Integrated Products, Inc. | Phase locked loop with improved phase-frequency detection |
| JP3630092B2 (ja) * | 2000-10-19 | 2005-03-16 | 日本電気株式会社 | 位相周波数比較回路 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3610954A (en) * | 1970-11-12 | 1971-10-05 | Motorola Inc | Phase comparator using logic gates |
| US3768030A (en) * | 1972-05-08 | 1973-10-23 | Motorola Inc | Automatic signal acquisition means for phase-lock loop with anti- sideband lock protection |
| JPS4968606A (ko) * | 1972-11-06 | 1974-07-03 | ||
| US3909735A (en) * | 1974-04-04 | 1975-09-30 | Ncr Co | Slow switch for bandwidth change in phase-locked loop |
| JPS5917916B2 (ja) * | 1975-12-26 | 1984-04-24 | 日本電気株式会社 | イソウドウキソウチ |
| US4117410A (en) * | 1977-10-13 | 1978-09-26 | Motorola, Inc. | Phase locked loop signal demodulator and squelch circuit |
| JPS5944813B2 (ja) * | 1978-01-19 | 1984-11-01 | 日本電気株式会社 | 位相同期回路 |
| US4213096A (en) * | 1978-04-26 | 1980-07-15 | Rca Corporation | Phaselock receiver with phaselock detector |
| US4253180A (en) * | 1978-12-04 | 1981-02-24 | Reliance Telecommunication Electronics Company | Voltage controlled oscillator for a transmission line communications system receiver |
| US4270221A (en) * | 1979-10-17 | 1981-05-26 | Rca Corporation | Phaselocked receiver with orderwire channel |
-
1981
- 1981-03-04 US US06/240,445 patent/US4377728A/en not_active Expired - Lifetime
-
1982
- 1982-01-18 WO PCT/US1982/000051 patent/WO1982003143A1/en not_active Ceased
- 1982-01-18 DE DE8282900720T patent/DE3271409D1/de not_active Expired
- 1982-01-18 EP EP82900720A patent/EP0073220B1/en not_active Expired
- 1982-01-18 JP JP57500750A patent/JPS58500189A/ja active Granted
- 1982-03-04 KR KR8200896A patent/KR860001437B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0073220B1 (en) | 1986-06-04 |
| US4377728A (en) | 1983-03-22 |
| DE3271409D1 (en) | 1986-07-10 |
| EP0073220A1 (en) | 1983-03-09 |
| EP0073220A4 (en) | 1983-07-04 |
| WO1982003143A1 (en) | 1982-09-16 |
| JPS58500189A (ja) | 1983-02-03 |
| KR830009698A (ko) | 1983-12-22 |
| JPH0472412B2 (ko) | 1992-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19820302 |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19860321 Patent event code: PE09021S01D |
|
| PG1605 | Publication of application before grant of patent |
Comment text: Decision on Publication of Application Patent event code: PG16051S01I Patent event date: 19860825 |
|
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19861206 |
|
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19861218 Patent event code: PR07011E01D |
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| PR1002 | Payment of registration fee |
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