GB1560811A - Phase-locked loop circuits - Google Patents
Phase-locked loop circuits Download PDFInfo
- Publication number
- GB1560811A GB1560811A GB551477A GB551477A GB1560811A GB 1560811 A GB1560811 A GB 1560811A GB 551477 A GB551477 A GB 551477A GB 551477 A GB551477 A GB 551477A GB 1560811 A GB1560811 A GB 1560811A
- Authority
- GB
- United Kingdom
- Prior art keywords
- circuit
- voltage
- signal
- phase
- control signal
- 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
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
- H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present
-
- 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
- H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51015702A JPS5914931B2 (ja) | 1976-02-16 | 1976-02-16 | 自動位相制御回路 |
| JP51019725A JPS5912050B2 (ja) | 1976-02-25 | 1976-02-25 | 自動位相制御回路 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1560811A true GB1560811A (en) | 1980-02-13 |
Family
ID=26351887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB551477A Expired GB1560811A (en) | 1976-02-16 | 1977-02-10 | Phase-locked loop circuits |
Country Status (6)
| Country | Link |
|---|---|
| AU (1) | AU515112B2 (enrdf_load_stackoverflow) |
| CA (2) | CA1094177A (enrdf_load_stackoverflow) |
| DE (1) | DE2706609C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2341226A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1560811A (enrdf_load_stackoverflow) |
| NL (1) | NL189839C (enrdf_load_stackoverflow) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1789272U (de) * | 1958-01-25 | 1959-05-27 | Telefunken Gmbh | Schaltungsanordnung zur automatischen synchronisierung eines oszillators. |
| US3487311A (en) * | 1966-11-16 | 1969-12-30 | Us Army | Transceiver with tunable phase locked oscillator and tuning voltage generator |
| US3775695A (en) * | 1968-12-27 | 1973-11-27 | Westinghouse Electric Corp | Phase lock loop for a voltage controlled oscillator |
| DE2146534C2 (de) * | 1971-09-17 | 1973-09-27 | Wandel U. Goltermann, 7410 Reutlingen | Manuell einstellbarer Abstimm oszillator nut Rasteinrichtung |
| DE2351147C3 (de) * | 1973-10-11 | 1981-01-29 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | FM-Funkempfänger |
| JPS513160A (enrdf_load_stackoverflow) * | 1974-06-25 | 1976-01-12 | Matsushita Electric Industrial Co Ltd | |
| JPS5818815B2 (ja) * | 1974-07-05 | 1983-04-14 | ソニー株式会社 | カヘンシユウハスウハツシンソウチ |
-
1977
- 1977-02-10 GB GB551477A patent/GB1560811A/en not_active Expired
- 1977-02-11 AU AU22194/77A patent/AU515112B2/en not_active Expired
- 1977-02-11 CA CA271,590A patent/CA1094177A/en not_active Expired
- 1977-02-16 FR FR7704422A patent/FR2341226A1/fr active Granted
- 1977-02-16 NL NL7701649A patent/NL189839C/xx not_active IP Right Cessation
- 1977-02-16 DE DE19772706609 patent/DE2706609C2/de not_active Expired
-
1980
- 1980-04-28 CA CA350,815A patent/CA1095999A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL189839B (nl) | 1993-03-01 |
| FR2341226A1 (fr) | 1977-09-09 |
| AU2219477A (en) | 1978-08-17 |
| FR2341226B1 (enrdf_load_stackoverflow) | 1981-05-22 |
| CA1095999A (en) | 1981-02-17 |
| CA1094177A (en) | 1981-01-20 |
| AU515112B2 (en) | 1981-03-19 |
| DE2706609C2 (de) | 1983-09-15 |
| NL7701649A (nl) | 1977-08-18 |
| NL189839C (nl) | 1993-08-02 |
| DE2706609A1 (de) | 1977-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19950210 |