GB8101272D0 - Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide range - Google Patents
Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide rangeInfo
- Publication number
- GB8101272D0 GB8101272D0 GBGB8101272.6A GB8101272A GB8101272D0 GB 8101272 D0 GB8101272 D0 GB 8101272D0 GB 8101272 A GB8101272 A GB 8101272A GB 8101272 D0 GB8101272 D0 GB 8101272D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- obtaining
- electrical signal
- wide range
- variable frequency
- linearly variable
- 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.)
- Ceased
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
- H03L7/22—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B23/00—Generation of oscillations periodically swept over a predetermined frequency range
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
- H03B21/02—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies by plural beating, i.e. for frequency synthesis ; Beating in combination with multiplication or division of frequency
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0092—Measures to linearise or reduce distortion of oscillator characteristics
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8000955A FR2738420A1 (en) | 1980-01-17 | 1980-01-17 | Linearly variable frequency signal generator |
Publications (1)
Publication Number | Publication Date |
---|---|
GB8101272D0 true GB8101272D0 (en) | 2009-04-15 |
Family
ID=9237604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GBGB8101272.6A Ceased GB8101272D0 (en) | 1980-01-17 | 1981-01-16 | Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide range |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2738420A1 (en) |
GB (1) | GB8101272D0 (en) |
IT (1) | IT8119144A0 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4164301B2 (en) | 2002-07-16 | 2008-10-15 | 株式会社日立製作所 | Multi-frequency PLL oscillator and multi-frequency CW radar using the same |
-
1980
- 1980-01-17 FR FR8000955A patent/FR2738420A1/en active Pending
-
1981
- 1981-01-15 IT IT8119144A patent/IT8119144A0/en unknown
- 1981-01-16 GB GBGB8101272.6A patent/GB8101272D0/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
FR2738420A1 (en) | 1997-03-07 |
IT8119144A0 (en) | 1981-01-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK68984A (en) | A circuit for compression of expansion of an electrical signal | |
JPS5315583A (en) | Electric connector and device for shielding frequency interference and method of manufacturing thereof | |
GB2052218B (en) | Method and apparatus for frequency multiplying an electrical signal | |
GB2052192B (en) | Methods of and circuit arrangements for measuring frequency | |
GB2042272B (en) | Method of generating electrical signals and push-button switch means therefor | |
IL74250A0 (en) | Counting apparatus and method for sampling the frequency of an input signal | |
JPS5710476A (en) | Method of and circuit for processing radar signal | |
AU519660B2 (en) | Electrical device and method of making same | |
JPS54109314A (en) | Method of and device for monitoring tv signal | |
GB2186764B (en) | Methods of and apparatus for converting an electrical signal into a proportional frequency | |
JPS5333523A (en) | Method of clamping signal and clamping circuit | |
JPS53118954A (en) | Device for limiting frequency of amplitudeelimited signal | |
GB2036985B (en) | Method and apparatus for determining the transmission properties of a signal path | |
JPS5663273A (en) | Method of circuit for and apparatus for measuring inherent capacity of cables | |
JPS56150305A (en) | Method of and apparatus for generating electrical output signal indicating ratio between two quantities | |
GB2001495B (en) | Apparatus and method for peak-limiting audio frequency signals | |
GB8101272D0 (en) | Process and device for obtaining an electrical signal of linearly variable frequency throughout a wide range | |
GB2076156B (en) | Electrical frequency indicating device | |
JPS5451425A (en) | Method of and device for generating electric signal converted from plane figure | |
JPS5550789A (en) | Method of and device for transmitting television audio signal | |
GB8324652D0 (en) | Measuring frequency response characteristic of electric circuit | |
JPS53125873A (en) | Method of measuring frequency of repetitive signal | |
AU545252B2 (en) | Circuit for obtaining a signal and symmetrical signal from anasymmetrical signal | |
JPS52107708A (en) | Method and device for translating multiple frequency signal | |
GB2013900B (en) | Device for and method of producing an electrical signal dependent on the density of an electrically conductive fluid |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |