DE3679322D1 - Nachgefuehrter abtast-phasendetektor. - Google Patents
Nachgefuehrter abtast-phasendetektor.Info
- Publication number
- DE3679322D1 DE3679322D1 DE8686308631T DE3679322T DE3679322D1 DE 3679322 D1 DE3679322 D1 DE 3679322D1 DE 8686308631 T DE8686308631 T DE 8686308631T DE 3679322 T DE3679322 T DE 3679322T DE 3679322 D1 DE3679322 D1 DE 3679322D1
- Authority
- DE
- Germany
- Prior art keywords
- phase detector
- scan phase
- following scan
- following
- detector
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller, or for passing one of the input signals as output signal
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/08—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents by counting of standard pulses
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/858,428 US4751468A (en) | 1986-05-01 | 1986-05-01 | Tracking sample and hold phase detector |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3679322D1 true DE3679322D1 (de) | 1991-06-20 |
Family
ID=25328300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686308631T Expired - Fee Related DE3679322D1 (de) | 1986-05-01 | 1986-11-05 | Nachgefuehrter abtast-phasendetektor. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4751468A (de) |
EP (1) | EP0250683B1 (de) |
JP (1) | JPH0640111B2 (de) |
DE (1) | DE3679322D1 (de) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5192915A (en) * | 1991-06-19 | 1993-03-09 | Tektronix, Inc. | Edge integrating phase detector |
US5304939A (en) * | 1991-06-28 | 1994-04-19 | Digital Equipment Corporation | Tracking peak detector |
JPH05160691A (ja) * | 1991-12-04 | 1993-06-25 | Nikon Corp | 2値化しきい値設定回路 |
DE69317200T2 (de) * | 1992-10-22 | 1998-08-20 | Koninkl Philips Electronics Nv | Datenverarbeitungsschaltung |
US6091940A (en) | 1998-10-21 | 2000-07-18 | Parkervision, Inc. | Method and system for frequency up-conversion |
US7515896B1 (en) * | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
US6694128B1 (en) | 1998-08-18 | 2004-02-17 | Parkervision, Inc. | Frequency synthesizer using universal frequency translation technology |
US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
US6813485B2 (en) | 1998-10-21 | 2004-11-02 | Parkervision, Inc. | Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same |
US6560301B1 (en) | 1998-10-21 | 2003-05-06 | Parkervision, Inc. | Integrated frequency translation and selectivity with a variety of filter embodiments |
US6049706A (en) | 1998-10-21 | 2000-04-11 | Parkervision, Inc. | Integrated frequency translation and selectivity |
US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
US6061555A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for ensuring reception of a communications signal |
US6542722B1 (en) | 1998-10-21 | 2003-04-01 | Parkervision, Inc. | Method and system for frequency up-conversion with variety of transmitter configurations |
US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
US6704558B1 (en) | 1999-01-22 | 2004-03-09 | Parkervision, Inc. | Image-reject down-converter and embodiments thereof, such as the family radio service |
US6704549B1 (en) | 1999-03-03 | 2004-03-09 | Parkvision, Inc. | Multi-mode, multi-band communication system |
US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
US7010286B2 (en) | 2000-04-14 | 2006-03-07 | Parkervision, Inc. | Apparatus, system, and method for down-converting and up-converting electromagnetic signals |
US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
KR20050106400A (ko) * | 2003-01-17 | 2005-11-09 | 마그네틱 토크 인터네셔널, 엘티디. | 토크 컨버터 및 이를 이용한 시스템 |
US7339984B1 (en) | 2003-04-10 | 2008-03-04 | Agilent Technologies, Inc. | Method and apparatus for jitter measurement using phase and amplitude undersampling |
US20100067607A1 (en) | 2008-09-18 | 2010-03-18 | Picosolve Inc. | All-optical balanced detection system |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3659117A (en) * | 1970-10-06 | 1972-04-25 | American Astrionics Inc | Track and hold apparatus |
US3737680A (en) * | 1971-06-24 | 1973-06-05 | Iwatsu Electric Co Ltd | Gate circuit |
SU477516A1 (ru) * | 1973-05-03 | 1975-07-15 | Проектно-конструкторское бюро Треста "Донецкуглеавтоматика" | Фазовый детектор |
GB2018068B (en) * | 1978-03-31 | 1982-06-23 | Caterpillar Tractor Co | Digital tuning apparatus |
US4216396A (en) * | 1978-08-24 | 1980-08-05 | Rca Corporation | Sample-hold phase detector |
US4219784A (en) * | 1978-10-27 | 1980-08-26 | Westinghouse Electric Corp. | Phase detection system using sample and hold technique, and phase locked loop using such phase detection system |
JPS56156995A (en) * | 1980-05-06 | 1981-12-03 | Nec Corp | Sampling and holding circuit |
JPS58182197A (ja) * | 1982-04-16 | 1983-10-25 | Hitachi Denshi Ltd | 高速サンプルホ−ルド回路 |
US4518921A (en) * | 1982-10-18 | 1985-05-21 | At&T Bell Laboratories | Track and hold circuit |
-
1986
- 1986-05-01 US US06/858,428 patent/US4751468A/en not_active Expired - Lifetime
- 1986-11-05 DE DE8686308631T patent/DE3679322D1/de not_active Expired - Fee Related
- 1986-11-05 EP EP86308631A patent/EP0250683B1/de not_active Expired - Lifetime
-
1987
- 1987-04-28 JP JP62106192A patent/JPH0640111B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0250683B1 (de) | 1991-05-15 |
EP0250683A1 (de) | 1988-01-07 |
JPH0640111B2 (ja) | 1994-05-25 |
JPS62261965A (ja) | 1987-11-14 |
US4751468A (en) | 1988-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |