JPS52150924A - Frequency control unit - Google Patents
Frequency control unitInfo
- Publication number
- JPS52150924A JPS52150924A JP6811376A JP6811376A JPS52150924A JP S52150924 A JPS52150924 A JP S52150924A JP 6811376 A JP6811376 A JP 6811376A JP 6811376 A JP6811376 A JP 6811376A JP S52150924 A JPS52150924 A JP S52150924A
- Authority
- JP
- Japan
- Prior art keywords
- control unit
- frequency control
- frequency
- pulse
- secure
- 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.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 abstract 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
- H03L7/16—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
- H03L7/181—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 numerical count result being used for locking the loop, the counter counting during fixed time intervals
Landscapes
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
PURPOSE:To secure a control of the frequency drift for the local oscillator by reading the pulse of the number equivalent to the oscillation frequency through the frequency counter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6811376A JPS52150924A (en) | 1976-06-09 | 1976-06-09 | Frequency control unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6811376A JPS52150924A (en) | 1976-06-09 | 1976-06-09 | Frequency control unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS52150924A true JPS52150924A (en) | 1977-12-15 |
JPS579535B2 JPS579535B2 (en) | 1982-02-22 |
Family
ID=13364352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6811376A Granted JPS52150924A (en) | 1976-06-09 | 1976-06-09 | Frequency control unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52150924A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61133339U (en) * | 1985-02-09 | 1986-08-20 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871867A (en) * | 1971-12-22 | 1973-09-28 | ||
JPS4871868A (en) * | 1971-12-22 | 1973-09-28 | ||
JPS50155948U (en) * | 1974-06-11 | 1975-12-24 | ||
JPS5111353A (en) * | 1974-07-18 | 1976-01-29 | Nippon Technical |
-
1976
- 1976-06-09 JP JP6811376A patent/JPS52150924A/en active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4871867A (en) * | 1971-12-22 | 1973-09-28 | ||
JPS4871868A (en) * | 1971-12-22 | 1973-09-28 | ||
JPS50155948U (en) * | 1974-06-11 | 1975-12-24 | ||
JPS5111353A (en) * | 1974-07-18 | 1976-01-29 | Nippon Technical |
Also Published As
Publication number | Publication date |
---|---|
JPS579535B2 (en) | 1982-02-22 |
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