JPS523768B2 - - Google Patents
Info
- Publication number
- JPS523768B2 JPS523768B2 JP47120769A JP12076972A JPS523768B2 JP S523768 B2 JPS523768 B2 JP S523768B2 JP 47120769 A JP47120769 A JP 47120769A JP 12076972 A JP12076972 A JP 12076972A JP S523768 B2 JPS523768 B2 JP S523768B2
- Authority
- JP
- Japan
- 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
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
- H03L7/183—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 fixed numbers or the frequency divider dividing by a fixed number
- H03L7/187—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 fixed numbers or the frequency divider dividing by a fixed number using means for coarse tuning the voltage controlled oscillator of 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
- H03L7/093—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
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US20834971A | 1971-12-15 | 1971-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4866958A JPS4866958A (ja) | 1973-09-13 |
| JPS523768B2 true JPS523768B2 (ja) | 1977-01-29 |
Family
ID=22774268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47120769A Expired JPS523768B2 (ja) | 1971-12-15 | 1972-12-04 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3729688A (ja) |
| JP (1) | JPS523768B2 (ja) |
| CA (1) | CA971238A (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59193453U (ja) * | 1983-06-09 | 1984-12-22 | 宮島 昌美 | ゴルフクラブ |
| JPS60160863U (ja) * | 1984-04-04 | 1985-10-25 | 猪▲また▼ 快圓 | 移動重り入りゴルフクラブヘツド |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2246487C2 (de) * | 1972-09-22 | 1974-10-24 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schwingungserzeuger für insbesondere sehr kurze elektromagnetische Wellen |
| JPS4999260A (ja) * | 1973-01-26 | 1974-09-19 | ||
| US3891939A (en) * | 1974-02-04 | 1975-06-24 | Honeywell Inc | Variable frequency pulse train generator |
| US3909735A (en) * | 1974-04-04 | 1975-09-30 | Ncr Co | Slow switch for bandwidth change in phase-locked loop |
| US3921094A (en) * | 1974-10-07 | 1975-11-18 | Bell Telephone Labor Inc | Phase-locked frequency synthesizer with means for restoring stability |
| GB1444860A (en) * | 1974-12-12 | 1976-08-04 | Mullard Ltd | Frequency synthesiser |
| GB1529116A (en) * | 1976-06-25 | 1978-10-18 | Indesit | Receiver having a device for tuning the receiver to a selected signal frequency for reception by the receiver |
| US4160121A (en) * | 1977-01-05 | 1979-07-03 | Rfl Industries, Inc. | Frequency shift keyed tone generator |
| US4169385A (en) * | 1978-02-21 | 1979-10-02 | Picker Corporation | Frequency synthesizer apparatus and method in ultrasonic imaging |
| JPS5847100B2 (ja) * | 1979-01-10 | 1983-10-20 | 松下電器産業株式会社 | 選局装置 |
| US4330758A (en) * | 1980-02-20 | 1982-05-18 | Motorola, Inc. | Synchronized frequency synthesizer with high speed lock |
| JPS57141436U (ja) * | 1981-02-27 | 1982-09-04 | ||
| JPS5843632A (ja) * | 1981-09-01 | 1983-03-14 | テクトロニツクス・インコ−ポレイテツド | 位相固定回路 |
| US4468632A (en) * | 1981-11-30 | 1984-08-28 | Rca Corporation | Phase locked loop frequency synthesizer including fractional digital frequency divider |
| DE3215747C2 (de) * | 1982-04-28 | 1986-04-30 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Schaltungsanordnung zum Abstimmen von Hochfrequenzempfängern mit Hilfe einer Phase-Locked-Loop-Schaltung |
| US4516083A (en) * | 1982-05-14 | 1985-05-07 | Motorola, Inc. | Fast lock PLL having out of lock detector control of loop filter and divider |
| US4559505A (en) * | 1983-01-04 | 1985-12-17 | Motorola, Inc. | Frequency synthesizer with improved priority channel switching |
| US4629999A (en) * | 1983-12-27 | 1986-12-16 | North American Philips Corp. | Phase-locked loop capable of generating a plurality of stable frequency signals |
| US4758801A (en) * | 1985-07-11 | 1988-07-19 | Siemens Aktiengesellschaft | Dynamic control system with switchable filter-function groups |
| US4745371A (en) * | 1985-08-02 | 1988-05-17 | Libera Developments Limited | Phase-locked digital synthesizer |
| US4827226A (en) * | 1988-05-31 | 1989-05-02 | Motorola, Inc. | Fully integrated, adjustable oscillator for use with a crystal |
| US4953185A (en) * | 1988-10-05 | 1990-08-28 | Motorola Inc. | Clock recovery and hold circuit for digital TDM mobile radio |
| US4920320A (en) * | 1988-12-19 | 1990-04-24 | Motorola, Inc. | Phase locked loop with optimally controlled bandwidth |
| US5142255A (en) * | 1990-05-07 | 1992-08-25 | The Texas A&M University System | Planar active endfire radiating elements and coplanar waveguide filters with wide electronic tuning bandwidth |
| JPH0537936A (ja) * | 1990-11-08 | 1993-02-12 | Pioneer Electron Corp | 信号発振装置 |
| DE4307673A1 (de) * | 1993-03-11 | 1994-09-15 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur Erzeugung einer Abstimmspannung |
| JP2875472B2 (ja) * | 1994-01-19 | 1999-03-31 | 日本無線株式会社 | Ｐｌｌシンセサイザ及びその制御方法 |
| JPH10303747A (ja) * | 1997-04-25 | 1998-11-13 | Matsushita Electric Ind Co Ltd | 複数周波数帯域ｐｌｌ周波数シンセサイザ |
| US6181719B1 (en) | 1998-11-24 | 2001-01-30 | Universal Laser Systems, Inc. | Gas laser RF power source apparatus and method |
| JP2003087116A (ja) * | 2001-09-14 | 2003-03-20 | Nec Saitama Ltd | Ｐｌｌシンセサイザ |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3328719A (en) * | 1965-08-24 | 1967-06-27 | Sylvania Electric Prod | Phase-lock loop with adaptive bandwidth |
| US3505620A (en) * | 1968-11-27 | 1970-04-07 | Gen Instrument Corp | Presettable television channel tuner using variable capacitor and variable capacitance diodes |
| US3626330A (en) * | 1970-01-15 | 1971-12-07 | Itt | Capacitive diode controlled oscillator frequency shift keying circuit |
-
1971
- 1971-12-15 US US00208349A patent/US3729688A/en not_active Expired - Lifetime
-
1972
- 1972-09-28 CA CA152,748A patent/CA971238A/en not_active Expired
- 1972-12-04 JP JP47120769A patent/JPS523768B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59193453U (ja) * | 1983-06-09 | 1984-12-22 | 宮島 昌美 | ゴルフクラブ |
| JPS60160863U (ja) * | 1984-04-04 | 1985-10-25 | 猪▲また▼ 快圓 | 移動重り入りゴルフクラブヘツド |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2261481B2 (de) | 1976-07-08 |
| US3729688A (en) | 1973-04-24 |
| DE2261481A1 (de) | 1973-06-28 |
| JPS4866958A (ja) | 1973-09-13 |
| AU4815872A (en) | 1974-05-16 |
| CA971238A (en) | 1975-07-15 |