JPS6411170B2 - - Google Patents
Info
- Publication number
- JPS6411170B2 JPS6411170B2 JP7468580A JP7468580A JPS6411170B2 JP S6411170 B2 JPS6411170 B2 JP S6411170B2 JP 7468580 A JP7468580 A JP 7468580A JP 7468580 A JP7468580 A JP 7468580A JP S6411170 B2 JPS6411170 B2 JP S6411170B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- frequency
- oscillator
- pulse
- voltage
- 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
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
-
- 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
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7468580A JPS56169927A (en) | 1980-06-03 | 1980-06-03 | Frequency synthesizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7468580A JPS56169927A (en) | 1980-06-03 | 1980-06-03 | Frequency synthesizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56169927A JPS56169927A (en) | 1981-12-26 |
| JPS6411170B2 true JPS6411170B2 (OSRAM) | 1989-02-23 |
Family
ID=13554320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7468580A Granted JPS56169927A (en) | 1980-06-03 | 1980-06-03 | Frequency synthesizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56169927A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8512912D0 (en) * | 1985-05-22 | 1985-06-26 | Plessey Co Plc | Phase modulators |
| EP1434352B1 (en) | 2002-12-23 | 2008-08-27 | STMicroelectronics Belgium N.V. | Delay-compensated fractional-N frequency synthesizer |
-
1980
- 1980-06-03 JP JP7468580A patent/JPS56169927A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56169927A (en) | 1981-12-26 |
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