JPH0444446B2 - - Google Patents
Info
- Publication number
- JPH0444446B2 JPH0444446B2 JP56006578A JP657881A JPH0444446B2 JP H0444446 B2 JPH0444446 B2 JP H0444446B2 JP 56006578 A JP56006578 A JP 56006578A JP 657881 A JP657881 A JP 657881A JP H0444446 B2 JPH0444446 B2 JP H0444446B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- input
- output
- multiplier
- 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 - Lifetime
Links
- 238000012937 correction Methods 0.000 claims description 25
- 230000004044 response Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 6
- 235000006576 Althaea officinalis Nutrition 0.000 description 5
- 240000007320 Pinus strobus Species 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 241001584775 Tunga penetrans Species 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/197—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division
- H03L7/1974—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division
- H03L7/1976—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider
- H03L7/1978—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division for fractional frequency division using a phase accumulator for controlling the counter or frequency divider using a cycle or pulse removing circuit
-
- 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
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8001889A GB2068185B (en) | 1980-01-21 | 1980-01-21 | Frequency synthesiser of the phase lock loop type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56110345A JPS56110345A (en) | 1981-09-01 |
| JPH0444446B2 true JPH0444446B2 ( ) | 1992-07-21 |
Family
ID=10510763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP657881A Granted JPS56110345A (en) | 1980-01-21 | 1981-01-21 | Phase locked loop type frequency synthesizer |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4380743A ( ) |
| JP (1) | JPS56110345A ( ) |
| AU (1) | AU537712B2 ( ) |
| CA (1) | CA1175506A ( ) |
| DE (1) | DE3101589C2 ( ) |
| DK (1) | DK152236C ( ) |
| FR (1) | FR2474258A1 ( ) |
| GB (1) | GB2068185B ( ) |
| IT (1) | IT1194019B ( ) |
| SE (1) | SE449940B ( ) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4409564A (en) * | 1981-03-20 | 1983-10-11 | Wavetek | Pulse delay compensation for frequency synthesizer |
| GB2117198A (en) * | 1982-03-19 | 1983-10-05 | Philips Electronic Associated | Frequency synthesiser |
| GB2117197A (en) * | 1982-03-19 | 1983-10-05 | Philips Electronic Associated | Frequency synthesiser |
| GB2117199A (en) * | 1982-03-19 | 1983-10-05 | Philips Electronic Associated | Frequency synthesiser |
| US4506232A (en) * | 1982-07-19 | 1985-03-19 | Rockwell International Corporation | Third order PLL with increased high frequency gain |
| GB2131240A (en) * | 1982-11-05 | 1984-06-13 | Philips Electronic Associated | Frequency synthesiser |
| GB2132025B (en) * | 1982-11-11 | 1986-11-19 | Polytechnic Marine Limited | A receiver for a phase comparison radio navigation system |
| US4550598A (en) * | 1983-10-31 | 1985-11-05 | The Goodyear Tire & Rubber Company | Apparatus and method adapted to test tires by eliminating jitter from data signals without losing data |
| GB2150775A (en) * | 1983-12-02 | 1985-07-03 | Plessey Co Plc | Frequency synthesiser |
| GB2184617A (en) * | 1985-07-30 | 1987-06-24 | Chung Kwan Tsang | Fast frequency switching fractional synthesizer |
| JPS6359217A (ja) * | 1986-08-29 | 1988-03-15 | Yokogawa Electric Corp | 周波数シンセサイザ |
| US4855683A (en) * | 1987-11-18 | 1989-08-08 | Bell Communications Research, Inc. | Digital phase locked loop with bounded jitter |
| GB2213000A (en) * | 1987-11-25 | 1989-08-02 | Philips Electronic Associated | Frequency synthesizer |
| US5097219A (en) * | 1988-12-15 | 1992-03-17 | Mitsubishi Denki Kabushiki Kaisha | Pll for controlling frequency deviation of a variable frequency oscillator |
| US4951004A (en) * | 1989-03-17 | 1990-08-21 | John Fluke Mfg. Co., Inc. | Coherent direct digital synthesizer |
| CA2017501C (en) * | 1989-05-26 | 1995-08-29 | Shigeo Terashima | Recording/reproducing device |
| US5745314A (en) * | 1989-09-27 | 1998-04-28 | Canon Kabushiki Kaisha | Clock generating circuit by using the phase difference between a burst signal and the oscillation signal |
| US4992743A (en) * | 1989-11-15 | 1991-02-12 | John Fluke Mfg. Co., Inc. | Dual-tone direct digital synthesizer |
| SE9103098D0 (sv) * | 1991-10-24 | 1991-10-24 | Joergen Johansson | Anordning vid tv-system |
| US5576666A (en) * | 1993-11-12 | 1996-11-19 | Nippondenso Technical Center Usa, Inc. | Fractional-N frequency synthesizer with temperature compensation |
| DE19581471C2 (de) * | 1994-01-24 | 1999-10-14 | Douglas R Baldwin | Synthesizer mit einstellbarer Frequenz |
| FR2717971A1 (fr) * | 1994-03-23 | 1995-09-29 | Trt Telecom Radio Electr | Dispositif de synthèse d'une forme de signal, poste émetteur et poste récepteur comprenant un tel dispositif. |
| US5664165A (en) * | 1995-04-19 | 1997-09-02 | International Business Machines Corporation | Generation of a synthetic clock signal in synchronism with a high frequency clock signal and corresponding to a low frequency clock signal |
| US5572168A (en) * | 1995-08-09 | 1996-11-05 | Lucent Technologies Inc. | Frequency synthesizer having dual phase locked loops |
| CA2217840C (en) | 1997-10-09 | 2005-05-03 | Northern Telecom Limited | Synchronization system multiple modes of operation |
| US6175280B1 (en) | 1998-07-30 | 2001-01-16 | Radio Adventures Corporation | Method and apparatus for controlling and stabilizing oscillators |
| DE60112632T2 (de) | 2000-03-10 | 2006-06-14 | Koninkl Philips Electronics Nv | Phasenverriegelungsschleife |
| JP5974369B2 (ja) * | 2012-12-26 | 2016-08-23 | カルソニックカンセイ株式会社 | ブザー出力制御装置およびブザー出力制御方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1447418A (en) * | 1974-03-29 | 1976-08-25 | Mullard Ltd | Frequency synthesiser |
| US3928813A (en) * | 1974-09-26 | 1975-12-23 | Hewlett Packard Co | Device for synthesizing frequencies which are rational multiples of a fundamental frequency |
| GB1560233A (en) * | 1977-02-02 | 1980-01-30 | Marconi Co Ltd | Frequency synthesisers |
-
1980
- 1980-01-21 GB GB8001889A patent/GB2068185B/en not_active Expired
-
1981
- 1981-01-15 CA CA000368596A patent/CA1175506A/en not_active Expired
- 1981-01-16 AU AU66260/81A patent/AU537712B2/en not_active Ceased
- 1981-01-16 DK DK019381A patent/DK152236C/da not_active IP Right Cessation
- 1981-01-16 IT IT19183/81A patent/IT1194019B/it active
- 1981-01-19 US US06/226,326 patent/US4380743A/en not_active Expired - Lifetime
- 1981-01-19 SE SE8100243A patent/SE449940B/sv not_active IP Right Cessation
- 1981-01-19 FR FR8100895A patent/FR2474258A1/fr active Granted
- 1981-01-20 DE DE3101589A patent/DE3101589C2/de not_active Expired
- 1981-01-21 JP JP657881A patent/JPS56110345A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2474258A1 (fr) | 1981-07-24 |
| DK152236C (da) | 1988-07-04 |
| DE3101589A1 (de) | 1982-01-28 |
| DK152236B (da) | 1988-02-08 |
| US4380743A (en) | 1983-04-19 |
| IT1194019B (it) | 1988-08-31 |
| GB2068185A (en) | 1981-08-05 |
| JPS56110345A (en) | 1981-09-01 |
| DE3101589C2 (de) | 1985-10-03 |
| IT8119183A0 (it) | 1981-01-16 |
| GB2068185B (en) | 1983-06-22 |
| AU6626081A (en) | 1981-07-30 |
| CA1175506A (en) | 1984-10-02 |
| SE8100243L (sv) | 1981-07-22 |
| FR2474258B1 ( ) | 1984-05-11 |
| DK19381A (da) | 1981-07-22 |
| AU537712B2 (en) | 1984-07-05 |
| SE449940B (sv) | 1987-05-25 |
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