GB2113493B - Frequency synthesizer with f.m. capability - Google Patents
Frequency synthesizer with f.m. capabilityInfo
- Publication number
- GB2113493B GB2113493B GB08301150A GB8301150A GB2113493B GB 2113493 B GB2113493 B GB 2113493B GB 08301150 A GB08301150 A GB 08301150A GB 8301150 A GB8301150 A GB 8301150A GB 2113493 B GB2113493 B GB 2113493B
- Authority
- GB
- United Kingdom
- Prior art keywords
- capability
- frequency synthesizer
- synthesizer
- frequency
- 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
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
- H03C3/0958—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation by varying the characteristics of the voltage controlled oscillator
-
- 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
- H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
- H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08301150A GB2113493B (en) | 1979-03-06 | 1983-01-17 | Frequency synthesizer with f.m. capability |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7907795A GB2045556B (en) | 1979-03-06 | 1979-03-06 | Frequency synthesizers |
GB08301150A GB2113493B (en) | 1979-03-06 | 1983-01-17 | Frequency synthesizer with f.m. capability |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8301150D0 GB8301150D0 (en) | 1983-02-16 |
GB2113493A GB2113493A (en) | 1983-08-03 |
GB2113493B true GB2113493B (en) | 1983-12-21 |
Family
ID=26270794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08301150A Expired GB2113493B (en) | 1979-03-06 | 1983-01-17 | Frequency synthesizer with f.m. capability |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2113493B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3720682C2 (en) | 1987-06-23 | 1994-12-08 | Hagenuk Telecom Gmbh | Oscillator device for generating at least two different frequencies |
DE3837246A1 (en) * | 1988-10-28 | 1990-05-03 | Siemens Ag | Frequency generator |
GB2256983B (en) * | 1991-06-19 | 1995-03-08 | Marconi Instruments Ltd | Microwave synthesisers |
-
1983
- 1983-01-17 GB GB08301150A patent/GB2113493B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2113493A (en) | 1983-08-03 |
GB8301150D0 (en) | 1983-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |