SE9700272D0 - Automatic frequency control oscillation circuit - Google Patents
Automatic frequency control oscillation circuitInfo
- Publication number
- SE9700272D0 SE9700272D0 SE9700272A SE9700272A SE9700272D0 SE 9700272 D0 SE9700272 D0 SE 9700272D0 SE 9700272 A SE9700272 A SE 9700272A SE 9700272 A SE9700272 A SE 9700272A SE 9700272 D0 SE9700272 D0 SE 9700272D0
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- phase difference
- generates
- oscillation circuit
- frequency control
- Prior art date
Links
- 230000010355 oscillation Effects 0.000 title abstract 5
- 230000036962 time dependent Effects 0.000 abstract 2
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
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/026—Means preventing a wrong working of the automatic frequency correction in case of fading or bad signal/noise ratio
-
- 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
- H03L7/093—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using special filtering or amplification characteristics in the loop
-
- 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
- H03L7/095—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using a lock detector
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8019809A JP2919335B2 (ja) | 1996-02-06 | 1996-02-06 | Afc型発振回路 |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9700272D0 true SE9700272D0 (sv) | 1997-01-30 |
SE9700272L SE9700272L (sv) | 1997-08-07 |
SE519266C2 SE519266C2 (sv) | 2003-02-04 |
Family
ID=12009669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9700272A SE519266C2 (sv) | 1996-02-06 | 1997-01-30 | Oscillationskrets med automatisk frekvensreglering |
Country Status (3)
Country | Link |
---|---|
US (1) | US5818302A (sv) |
JP (1) | JP2919335B2 (sv) |
SE (1) | SE519266C2 (sv) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE59712313D1 (de) * | 1996-03-02 | 2005-06-23 | Philips Intellectual Property | Erzeugung eines frequenzsteuersignals in einem fsk-empfänger |
US6345079B1 (en) * | 1997-10-29 | 2002-02-05 | Victor Company Of Japan, Ltd. | Clock signal generation apparatus |
US7242229B1 (en) | 2001-05-06 | 2007-07-10 | Altera Corporation | Phase locked loop (PLL) and delay locked loop (DLL) counter and delay element programming in user mode |
JP4112882B2 (ja) * | 2001-07-19 | 2008-07-02 | 株式会社日立メディコ | 生体光計測装置 |
US6747521B1 (en) * | 2002-07-26 | 2004-06-08 | Zeevo, Inc. | Analog memory cell in a low power oscillator |
JP4624796B2 (ja) * | 2002-11-21 | 2011-02-02 | ソニー エリクソン モバイル コミュニケーションズ, エービー | 発振周波数の制御 |
ATE317180T1 (de) * | 2002-11-21 | 2006-02-15 | Oszillatorfrequenzsteuerung | |
KR100524745B1 (ko) * | 2003-02-25 | 2005-11-01 | 엘지전자 주식회사 | 주파수 위상 동기 장치 및 방법 |
US6924678B2 (en) * | 2003-10-21 | 2005-08-02 | Altera Corporation | Programmable phase-locked loop circuitry for programmable logic device |
US8259876B2 (en) * | 2008-03-21 | 2012-09-04 | Skyworks Solutions, Inc. | System and method for tuning a radio receiver |
JP4900360B2 (ja) * | 2008-10-17 | 2012-03-21 | ソニー株式会社 | 受信装置、移動角度推定方法、プログラム、および無線通信システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5813627A (ja) * | 1981-06-16 | 1983-01-26 | モンサント・カンパニ− | 酸ハライド官能性物質およびアシルラクタム官能性物質 |
US4884040A (en) * | 1988-09-26 | 1989-11-28 | Rca Licensing Corporation | Sampled data phase locking system |
DE4303356A1 (de) * | 1993-02-05 | 1994-08-11 | Philips Patentverwaltung | Digitale Phasenregelschleife |
GB2293062B (en) * | 1994-09-09 | 1996-12-04 | Toshiba Kk | Master-slave multiplex communication system and PLL circuit applied to the system |
-
1996
- 1996-02-06 JP JP8019809A patent/JP2919335B2/ja not_active Expired - Fee Related
-
1997
- 1997-01-30 SE SE9700272A patent/SE519266C2/sv not_active IP Right Cessation
- 1997-02-06 US US08/795,566 patent/US5818302A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE9700272L (sv) | 1997-08-07 |
US5818302A (en) | 1998-10-06 |
JPH09214327A (ja) | 1997-08-15 |
JP2919335B2 (ja) | 1999-07-12 |
SE519266C2 (sv) | 2003-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |