KR970003096B1 - 고속 고정 전류 감소 및 클램핑 회로를 구비한 위상 고정 루프 - Google Patents
고속 고정 전류 감소 및 클램핑 회로를 구비한 위상 고정 루프 Download PDFInfo
- Publication number
- KR970003096B1 KR970003096B1 KR1019890001077A KR890001077A KR970003096B1 KR 970003096 B1 KR970003096 B1 KR 970003096B1 KR 1019890001077 A KR1019890001077 A KR 1019890001077A KR 890001077 A KR890001077 A KR 890001077A KR 970003096 B1 KR970003096 B1 KR 970003096B1
- Authority
- KR
- South Korea
- Prior art keywords
- current
- circuit
- transistor
- control
- phase
- Prior art date
Links
- 239000011324 bead Substances 0.000 claims description 5
- 238000012358 sourcing Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 11
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000729 poly(L-lysine) polymer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- 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
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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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
Description
Claims (1)
- 저역통과 필터와, 위상 고정 루프가 고정으로부터 벗어날 때마다 구상(quadrature) 비이트 노트를 발생시키기 위한 수단과 교류 제어 신호를 발생시키기 위한 회로 수단을 포함하는 위상 또는 구상 고정 루프로서, 위상 고정 루프가 고정으로부터 벗어나면 고속 고정 풀-업 및 풀-다운 전류를 저역통과 필터에 제공하고, 저역통과 필터에 의해 발생된 제어 전압이 예정된 값보다 크게 되거나 또는 작게 되면 상기 전류를 감소시키기 위한 회로를 구비하되, 상기 회로는, 제어 신호중 선택적 신호에 응답하여 상기 회로의 출력으로 예정된 크기의 전류를 소싱하기 위한 제1제어 전류 소스와, 제어 신호중 다른 선택적 신호에 응답하여 상기 회로의 출력으로부터 예정된 크기의 전류를 싱킹하기 위한 제2제어 전류 소스와, 상기 회로의 출력에서의 전압 전위가 예정된 값보다 크게 되거나 또는 작게 될때마다, 상기 제1 및 제2제어 전류 소스를 각각 디스에이블링시키기 위한 디스에이블링 수단을 포함하는 것을 특징으로 하는 위상 또는 구상 고정 루프.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US151870 | 1988-02-03 | ||
US07/151,870 US4890072A (en) | 1988-02-03 | 1988-02-03 | Phase locked loop having a fast lock current reduction and clamping circuit |
US151,870 | 1988-02-03 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890013897A KR890013897A (ko) | 1989-09-26 |
KR970003096B1 true KR970003096B1 (ko) | 1997-03-14 |
Family
ID=22540579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890001077A KR970003096B1 (ko) | 1988-02-03 | 1989-01-31 | 고속 고정 전류 감소 및 클램핑 회로를 구비한 위상 고정 루프 |
Country Status (5)
Country | Link |
---|---|
US (1) | US4890072A (ko) |
EP (1) | EP0326940B1 (ko) |
JP (1) | JPH027718A (ko) |
KR (1) | KR970003096B1 (ko) |
DE (1) | DE68922006T2 (ko) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5057705A (en) * | 1988-10-04 | 1991-10-15 | Nakamichi Corporation | Clock formation circuit with phase locked loop control |
US5208546A (en) * | 1991-08-21 | 1993-05-04 | At&T Bell Laboratories | Adaptive charge pump for phase-locked loops |
US5287231A (en) * | 1992-10-06 | 1994-02-15 | Vtc Inc. | Write circuit having current mirrors between predriver and write driver circuits for maximum head voltage swing |
JP2769973B2 (ja) * | 1994-03-29 | 1998-06-25 | シャープ株式会社 | 有機硫黄化合物を含有する被処理水の処理方法とその装置 |
US5477198A (en) * | 1994-06-23 | 1995-12-19 | At&T Global Information Solutions Company | Extendible-range voltage controlled oscillator |
US5559473A (en) * | 1994-06-23 | 1996-09-24 | At&T Global Information Solutions Company | Multi-range voltage controlled oscillator |
GB9415185D0 (en) * | 1994-07-28 | 1994-09-21 | Thomson Consumer Electronics | Fast acting control system |
US5748050A (en) * | 1996-03-29 | 1998-05-05 | Symbios Logic Inc. | Linearization method and apparatus for voltage controlled oscillator |
US6130602A (en) | 1996-05-13 | 2000-10-10 | Micron Technology, Inc. | Radio frequency data communications device |
US6696879B1 (en) | 1996-05-13 | 2004-02-24 | Micron Technology, Inc. | Radio frequency data communications device |
US6941124B1 (en) | 1996-05-13 | 2005-09-06 | Micron Technology, Inc. | Method of speeding power-up of an amplifier, and amplifier |
US6836468B1 (en) | 1996-05-13 | 2004-12-28 | Micron Technology, Inc. | Radio frequency data communications device |
US6774685B2 (en) | 1996-05-13 | 2004-08-10 | Micron Technology, Inc. | Radio frequency data communications device |
US6466131B1 (en) * | 1996-07-30 | 2002-10-15 | Micron Technology, Inc. | Radio frequency data communications device with adjustable receiver sensitivity and method |
US5970398A (en) * | 1996-07-30 | 1999-10-19 | Micron Communications, Inc. | Radio frequency antenna with current controlled sensitivity |
US5774022A (en) * | 1996-08-29 | 1998-06-30 | Micron Communications, Inc. | Digital clock recovery loop |
US6100765A (en) | 1998-01-09 | 2000-08-08 | Micron Technology, Inc. | Digital clock recovery loop |
FI102228B (fi) * | 1997-01-16 | 1998-10-30 | Nokia Mobile Phones Ltd | Oskillaattorin tehonkulutuksen minimointi |
JP3839117B2 (ja) * | 1997-01-30 | 2006-11-01 | 株式会社ルネサステクノロジ | Pll回路およびそれを用いた無線通信端末機器 |
US6459726B1 (en) * | 1998-04-24 | 2002-10-01 | Micron Technology, Inc. | Backscatter interrogators, communication systems and backscatter communication methods |
GB2342009A (en) | 1998-09-24 | 2000-03-29 | Nokia Mobile Phones Ltd | Disabling a PLL to reduce power consumption in a receiver |
US6806812B1 (en) * | 2000-04-26 | 2004-10-19 | Micron Technology, Inc. | Automated antenna trim for transmitting and receiving semiconductor devices |
DE10064476A1 (de) * | 2000-12-22 | 2002-07-11 | Atmel Germany Gmbh | Verfahren zur Abstimmung einer PLL-Schaltung |
EP1220453B1 (en) * | 2000-12-28 | 2009-02-11 | Renesas Technology Corp. | PLL circuit with reduced settling time |
US7825867B2 (en) * | 2007-04-26 | 2010-11-02 | Round Rock Research, Llc | Methods and systems of changing antenna polarization |
US7936268B2 (en) * | 2007-08-31 | 2011-05-03 | Round Rock Research, Llc | Selectively coupling to feed points of an antenna system |
US8115637B2 (en) | 2008-06-03 | 2012-02-14 | Micron Technology, Inc. | Systems and methods to selectively connect antennas to receive and backscatter radio frequency signals |
US8704571B2 (en) * | 2011-11-14 | 2014-04-22 | Rockwell Automation Technologies, Inc. | Phase-locked-loop with quadrature tracking filter for synchronizing an electric grid |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251742A (en) * | 1979-04-09 | 1981-02-17 | Rca Corporation | Current source, as for switching PIN diodes |
US4377728A (en) * | 1981-03-04 | 1983-03-22 | Motorola Inc. | Phase locked loop with improved lock-in |
DE3170205D1 (en) * | 1981-12-10 | 1985-05-30 | Itt Ind Gmbh Deutsche | Digital phase/frequency control circuit |
GB2143385A (en) * | 1983-07-13 | 1985-02-06 | Plessey Co Plc | Phase lock loop circuit |
US4562410A (en) * | 1983-12-29 | 1985-12-31 | Rca Corporation | Phase lock loop prepositioning apparatus with feedback control |
US4739284A (en) * | 1987-05-04 | 1988-04-19 | Motorola, Inc. | Phase locked loop having fast frequency lock steering circuit |
US4791325A (en) * | 1987-12-21 | 1988-12-13 | Motorola, Inc. | Class B clamp circuit |
-
1988
- 1988-02-03 US US07/151,870 patent/US4890072A/en not_active Expired - Lifetime
-
1989
- 1989-01-26 DE DE68922006T patent/DE68922006T2/de not_active Expired - Lifetime
- 1989-01-26 EP EP89101330A patent/EP0326940B1/en not_active Expired - Lifetime
- 1989-01-31 KR KR1019890001077A patent/KR970003096B1/ko not_active IP Right Cessation
- 1989-02-03 JP JP1025615A patent/JPH027718A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE68922006T2 (de) | 1995-10-26 |
US4890072A (en) | 1989-12-26 |
DE68922006D1 (de) | 1995-05-11 |
EP0326940A3 (en) | 1990-06-13 |
KR890013897A (ko) | 1989-09-26 |
EP0326940B1 (en) | 1995-04-05 |
EP0326940A2 (en) | 1989-08-09 |
JPH027718A (ja) | 1990-01-11 |
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