GB1393124A - Frequency synthesiser - Google Patents
Frequency synthesiserInfo
- Publication number
- GB1393124A GB1393124A GB2611072A GB2611072A GB1393124A GB 1393124 A GB1393124 A GB 1393124A GB 2611072 A GB2611072 A GB 2611072A GB 2611072 A GB2611072 A GB 2611072A GB 1393124 A GB1393124 A GB 1393124A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frequency
- stable
- input
- oscillator
- divider
- 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
- H03L7/18—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
- H03L7/185—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 a mixer in the loop
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7121508A FR2142134A5 (enrdf_load_stackoverflow) | 1971-06-14 | 1971-06-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1393124A true GB1393124A (en) | 1975-05-07 |
Family
ID=9078600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2611072A Expired GB1393124A (en) | 1971-06-14 | 1972-06-05 | Frequency synthesiser |
Country Status (12)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0041561A4 (en) * | 1979-12-13 | 1982-04-29 | Gen Electric | PHASE CONTROL CIRCUIT STABILIZED BY A QUARTZ OSCILLATOR. |
EP0793348A1 (en) * | 1996-02-29 | 1997-09-03 | Nec Corporation | Phase lock loop circuit |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL163396C (nl) * | 1974-04-22 | 1980-08-15 | Philips Nv | Meerkanaalgenerator. |
JPS52149739U (enrdf_load_stackoverflow) * | 1976-05-08 | 1977-11-14 | ||
DE2910727C2 (de) * | 1979-03-19 | 1983-11-03 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Modulation der Phase einer Trägerschwingung |
US4634987A (en) * | 1984-10-01 | 1987-01-06 | Sundstrand Data Control, Inc. | Frequency multiplier |
JP2861542B2 (ja) * | 1991-10-25 | 1999-02-24 | 日本電気株式会社 | 位相ロックループシンセサイザ |
-
1971
- 1971-06-14 FR FR7121508A patent/FR2142134A5/fr not_active Expired
-
1972
- 1972-05-30 BE BE784152A patent/BE784152A/xx not_active IP Right Cessation
- 1972-05-30 CH CH807672A patent/CH557113A/fr not_active IP Right Cessation
- 1972-06-03 IT IT25236/72A patent/IT956134B/it active
- 1972-06-05 GB GB2611072A patent/GB1393124A/en not_active Expired
- 1972-06-05 IL IL39601A patent/IL39601A/xx unknown
- 1972-06-07 DE DE2227698A patent/DE2227698B2/de not_active Withdrawn
- 1972-06-07 NL NL7207720A patent/NL7207720A/xx not_active Application Discontinuation
- 1972-06-08 CA CA144,228A patent/CA965849A/en not_active Expired
- 1972-06-08 ZA ZA723942A patent/ZA723942B/xx unknown
- 1972-06-14 ES ES403830A patent/ES403830A1/es not_active Expired
- 1972-06-14 JP JP5934772A patent/JPS535031B1/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0041561A4 (en) * | 1979-12-13 | 1982-04-29 | Gen Electric | PHASE CONTROL CIRCUIT STABILIZED BY A QUARTZ OSCILLATOR. |
EP0793348A1 (en) * | 1996-02-29 | 1997-09-03 | Nec Corporation | Phase lock loop circuit |
US5831481A (en) * | 1996-02-29 | 1998-11-03 | Nec Corporation | Phase lock loop circuit having a broad loop band and small step frequency |
Also Published As
Publication number | Publication date |
---|---|
IL39601A (en) | 1975-05-22 |
IT956134B (it) | 1973-10-10 |
FR2142134A5 (enrdf_load_stackoverflow) | 1973-01-26 |
ES403830A1 (es) | 1976-01-01 |
DE2227698B2 (de) | 1978-05-11 |
JPS535031B1 (enrdf_load_stackoverflow) | 1978-02-23 |
NL7207720A (enrdf_load_stackoverflow) | 1972-12-18 |
BE784152A (fr) | 1972-11-30 |
DE2227698A1 (de) | 1972-12-21 |
ZA723942B (en) | 1973-03-28 |
CA965849A (en) | 1975-04-08 |
CH557113A (fr) | 1974-12-13 |
IL39601A0 (en) | 1972-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |