GB1482045A - Demodulation of frequency modulated oscillations - Google Patents
Demodulation of frequency modulated oscillationsInfo
- Publication number
- GB1482045A GB1482045A GB9660/75A GB966075A GB1482045A GB 1482045 A GB1482045 A GB 1482045A GB 9660/75 A GB9660/75 A GB 9660/75A GB 966075 A GB966075 A GB 966075A GB 1482045 A GB1482045 A GB 1482045A
- Authority
- GB
- United Kingdom
- Prior art keywords
- primary
- resonant circuit
- march
- demodulator
- output
- 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
- 230000010355 oscillation Effects 0.000 title 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 230000010363 phase shift Effects 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/18—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0082—Quadrature arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2410779A DE2410779B1 (de) | 1974-03-07 | 1974-03-07 | Schaltung zur Demodulation FMmodulierter Schwingungen mit einem Quadraturdemodulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1482045A true GB1482045A (en) | 1977-08-03 |
Family
ID=5909289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9660/75A Expired GB1482045A (en) | 1974-03-07 | 1975-03-07 | Demodulation of frequency modulated oscillations |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT360087B (enExample) |
| DE (1) | DE2410779B1 (enExample) |
| FR (1) | FR2263636B3 (enExample) |
| GB (1) | GB1482045A (enExample) |
| IT (1) | IT1033293B (enExample) |
| NL (1) | NL7501507A (enExample) |
-
1974
- 1974-03-07 DE DE2410779A patent/DE2410779B1/de not_active Ceased
-
1975
- 1975-02-07 NL NL7501507A patent/NL7501507A/xx not_active Application Discontinuation
- 1975-02-13 AT AT106475A patent/AT360087B/de not_active IP Right Cessation
- 1975-02-20 FR FR7505304A patent/FR2263636B3/fr not_active Expired
- 1975-02-28 IT IT20770/75A patent/IT1033293B/it active
- 1975-03-07 GB GB9660/75A patent/GB1482045A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2263636A1 (enExample) | 1975-10-03 |
| FR2263636B3 (enExample) | 1977-10-28 |
| AT360087B (de) | 1980-12-29 |
| IT1033293B (it) | 1979-07-10 |
| ATA106475A (de) | 1980-05-15 |
| DE2410779B1 (de) | 1975-07-03 |
| NL7501507A (nl) | 1975-09-09 |
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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 |