JPH0566047B2 - - Google Patents
Info
- Publication number
- JPH0566047B2 JPH0566047B2 JP57136684A JP13668482A JPH0566047B2 JP H0566047 B2 JPH0566047 B2 JP H0566047B2 JP 57136684 A JP57136684 A JP 57136684A JP 13668482 A JP13668482 A JP 13668482A JP H0566047 B2 JPH0566047 B2 JP H0566047B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- voltage
- signal
- frequency
- voltage controlled
- 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
- 230000010355 oscillation Effects 0.000 claims description 68
- 239000002131 composite material Substances 0.000 claims 5
- 230000001360 synchronised effect Effects 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 description 18
- 238000003786 synthesis reaction Methods 0.000 description 18
- 239000004065 semiconductor Substances 0.000 description 8
- 239000003990 capacitor Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 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
- H03L7/08—Details of the phase-locked loop
- H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- 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
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
-
- 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
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57136684A JPS5927615A (ja) | 1982-08-05 | 1982-08-05 | 電圧制御発振回路 |
| GB08319600A GB2127636B (en) | 1982-08-05 | 1983-07-20 | Voltage controlled oscillator circuit |
| US06/520,270 US4567448A (en) | 1982-08-05 | 1983-08-04 | Variable frequency oscillator |
| DE19833328420 DE3328420A1 (de) | 1982-08-05 | 1983-08-05 | Spannungsgesteuerter oszillator und verwendung desselben bei einem frequenzvariablen oszillator fuer ein plattenspeicherlaufwerk |
| HK36988A HK36988A (en) | 1982-08-05 | 1988-05-19 | Voltage controlled oscillator circuit |
| US07/798,064 USRE34317E (en) | 1982-08-05 | 1991-11-27 | Variable frequency oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57136684A JPS5927615A (ja) | 1982-08-05 | 1982-08-05 | 電圧制御発振回路 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3018748A Division JPH0770999B2 (ja) | 1991-02-12 | 1991-02-12 | 電圧制御発振回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5927615A JPS5927615A (ja) | 1984-02-14 |
| JPH0566047B2 true JPH0566047B2 (US20090192370A1-20090730-C00001.png) | 1993-09-21 |
Family
ID=15181052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57136684A Granted JPS5927615A (ja) | 1982-08-05 | 1982-08-05 | 電圧制御発振回路 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5927615A (US20090192370A1-20090730-C00001.png) |
| GB (1) | GB2127636B (US20090192370A1-20090730-C00001.png) |
| HK (1) | HK36988A (US20090192370A1-20090730-C00001.png) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61144929A (ja) * | 1984-12-19 | 1986-07-02 | Nec Corp | 位相同期発振回路 |
| JPH0752838B2 (ja) * | 1985-03-20 | 1995-06-05 | 株式会社日立製作所 | 集積回路 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615128B2 (US20090192370A1-20090730-C00001.png) * | 1976-05-24 | 1981-04-08 | ||
| JPS57181232A (en) * | 1981-04-30 | 1982-11-08 | Fujitsu Ltd | Voltage-controlled oscillator circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4131861A (en) * | 1977-12-30 | 1978-12-26 | International Business Machines Corporation | Variable frequency oscillator system including two matched oscillators controlled by a phase locked loop |
| JPS5924191Y2 (ja) * | 1979-07-13 | 1984-07-18 | 三洋電機株式会社 | シンセサイザ−受信機のａｆｃ回路 |
-
1982
- 1982-08-05 JP JP57136684A patent/JPS5927615A/ja active Granted
-
1983
- 1983-07-20 GB GB08319600A patent/GB2127636B/en not_active Expired
-
1988
- 1988-05-19 HK HK36988A patent/HK36988A/xx not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5615128B2 (US20090192370A1-20090730-C00001.png) * | 1976-05-24 | 1981-04-08 | ||
| JPS57181232A (en) * | 1981-04-30 | 1982-11-08 | Fujitsu Ltd | Voltage-controlled oscillator circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5927615A (ja) | 1984-02-14 |
| GB2127636A (en) | 1984-04-11 |
| GB8319600D0 (en) | 1983-08-24 |
| GB2127636B (en) | 1986-04-23 |
| HK36988A (en) | 1988-05-27 |
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