CH468124A - Vorrichtung mit einem schrittweise einstellbaren Oszillator - Google Patents
Vorrichtung mit einem schrittweise einstellbaren OszillatorInfo
- Publication number
- CH468124A CH468124A CH186968A CH186968A CH468124A CH 468124 A CH468124 A CH 468124A CH 186968 A CH186968 A CH 186968A CH 186968 A CH186968 A CH 186968A CH 468124 A CH468124 A CH 468124A
- Authority
- CH
- Switzerland
- Prior art keywords
- adjustable oscillator
- oscillator
- adjustable
- Prior art date
Links
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6702110A NL6702110A (US06657057-20031202-C00006.png) | 1967-02-11 | 1967-02-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH468124A true CH468124A (de) | 1969-01-31 |
Family
ID=19799276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH186968A CH468124A (de) | 1967-02-11 | 1968-02-08 | Vorrichtung mit einem schrittweise einstellbaren Oszillator |
Country Status (10)
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2211664A1 (de) * | 1972-03-10 | 1973-09-20 | Loewe Opta Gmbh | Abstimmeinheit fuer hochfrequenzempfangsgeraete |
| FR2177553B1 (US06657057-20031202-C00006.png) * | 1972-03-29 | 1976-06-11 | Trt Telecom Radio Electr | |
| FR2196549B1 (US06657057-20031202-C00006.png) * | 1972-08-16 | 1978-09-08 | Wandel & Goltermann | |
| US3928813A (en) * | 1974-09-26 | 1975-12-23 | Hewlett Packard Co | Device for synthesizing frequencies which are rational multiples of a fundamental frequency |
| US3959737A (en) * | 1974-11-18 | 1976-05-25 | Engelmann Microwave Co. | Frequency synthesizer having fractional frequency divider in phase-locked loop |
| DE2513948C3 (de) * | 1975-03-29 | 1981-12-17 | Wandel & Goltermann Gmbh & Co, 7412 Eningen | Stufig einstellbarer Frequenzgenerator mit einer phasengerasteten Regelschleife |
| US4079329A (en) * | 1976-11-11 | 1978-03-14 | Harris Corporation | Signal demodulator including data normalization |
| JPS5914997B2 (ja) * | 1978-06-27 | 1984-04-06 | 松下電器産業株式会社 | 電動機の速度制御装置 |
| GB2026268B (en) * | 1978-07-22 | 1982-07-28 | Racal Communcations Equipment | Frequency synthesizers |
| US4290028A (en) * | 1979-07-30 | 1981-09-15 | International Telephone And Telegraph Corporation | High speed phase locked loop frequency synthesizer |
| DE3025228C2 (de) * | 1980-07-03 | 1987-04-16 | Siemens AG, 1000 Berlin und 8000 München | Generator mit digitaler Frequenzeinstellung |
| US4468632A (en) * | 1981-11-30 | 1984-08-28 | Rca Corporation | Phase locked loop frequency synthesizer including fractional digital frequency divider |
| US5077529A (en) * | 1989-07-19 | 1991-12-31 | Level One Communications, Inc. | Wide bandwidth digital phase locked loop with reduced low frequency intrinsic jitter |
| DE4200816A1 (de) * | 1992-01-15 | 1993-07-22 | Bosch Gmbh Robert | Frequenz- und phasenmodulator fuer digitale modulatoren bzw. digitale uebertragung, insbesondere fuer funkuebertragung |
| US5493243A (en) * | 1994-01-04 | 1996-02-20 | Level One Communications, Inc. | Digitally controlled first order jitter attentuator using a digital frequency synthesizer |
| US6249557B1 (en) | 1997-03-04 | 2001-06-19 | Level One Communications, Inc. | Apparatus and method for performing timing recovery |
| US5777521A (en) * | 1997-08-12 | 1998-07-07 | Motorola Inc. | Parallel accumulator fractional-n frequency synthesizer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1129267A (en) * | 1964-10-28 | 1968-10-02 | Aga Ab | Method and apparatus for controlling the frequency of a variable frequency oscillator |
-
1967
- 1967-02-11 NL NL6702110A patent/NL6702110A/xx unknown
-
1968
- 1968-01-17 DE DE19681616289 patent/DE1616289A1/de active Pending
- 1968-01-30 US US701773A patent/US3516007A/en not_active Expired - Lifetime
- 1968-02-07 FR FR1556495D patent/FR1556495A/fr not_active Expired
- 1968-02-08 CH CH186968A patent/CH468124A/de unknown
- 1968-02-08 SE SE01690/68A patent/SE334395B/xx unknown
- 1968-02-08 DK DK50268AA patent/DK128389B/da unknown
- 1968-02-08 GB GB6282/68A patent/GB1143896A/en not_active Expired
- 1968-02-08 AT AT120768A patent/AT274894B/de active
- 1968-02-09 BE BE710610D patent/BE710610A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1616289A1 (de) | 1971-04-01 |
| BE710610A (US06657057-20031202-C00006.png) | 1968-08-09 |
| GB1143896A (en) | 1969-02-26 |
| NL6702110A (US06657057-20031202-C00006.png) | 1968-08-12 |
| AT274894B (de) | 1969-10-10 |
| US3516007A (en) | 1970-06-02 |
| DK128389B (da) | 1974-04-22 |
| SE334395B (US06657057-20031202-C00006.png) | 1971-04-26 |
| FR1556495A (US06657057-20031202-C00006.png) | 1969-02-07 |
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