CH408135A - Circuit arrangement for the automatic frequency locking of a voltage-controlled local oscillator in a superposition receiver - Google Patents
Circuit arrangement for the automatic frequency locking of a voltage-controlled local oscillator in a superposition receiverInfo
- Publication number
- CH408135A CH408135A CH303864A CH303864A CH408135A CH 408135 A CH408135 A CH 408135A CH 303864 A CH303864 A CH 303864A CH 303864 A CH303864 A CH 303864A CH 408135 A CH408135 A CH 408135A
- Authority
- CH
- Switzerland
- Prior art keywords
- voltage
- circuit arrangement
- local oscillator
- automatic frequency
- frequency locking
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control
- H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
- H03J7/047—Automatic frequency control using an auxiliary signal, e.g. low frequency scanning of the locking range or superimposing a special signal on the input signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Superheterodyne Receivers (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH303864A CH408135A (en) | 1964-03-09 | 1964-03-09 | Circuit arrangement for the automatic frequency locking of a voltage-controlled local oscillator in a superposition receiver |
| DEA48351A DE1218559B (en) | 1964-03-09 | 1965-02-08 | Circuit arrangement for the automatic frequency locking of a voltage-controlled local oscillator in a superposition receiver |
| NL6502308A NL6502308A (en) | 1964-03-09 | 1965-02-24 | |
| ES0310005A ES310005A1 (en) | 1964-03-09 | 1965-03-02 | A circuit provision for the automatic frequency fixing of a local oscillator. (Machine-translation by Google Translate, not legally binding) |
| FR8135A FR1428295A (en) | 1964-03-09 | 1965-03-05 | Circuitry for automatic frequency cut-in of a voltage-controlled local oscillator in a frequency-changing receiver |
| SE300265A SE308334B (en) | 1964-03-09 | 1965-03-08 | |
| FI56665A FI41412B (en) | 1964-03-09 | 1965-03-08 | |
| GB966665A GB1026070A (en) | 1964-03-09 | 1965-03-08 | Improvements in or relating to superheterodyne receivers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH303864A CH408135A (en) | 1964-03-09 | 1964-03-09 | Circuit arrangement for the automatic frequency locking of a voltage-controlled local oscillator in a superposition receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH408135A true CH408135A (en) | 1966-02-28 |
Family
ID=4247218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH303864A CH408135A (en) | 1964-03-09 | 1964-03-09 | Circuit arrangement for the automatic frequency locking of a voltage-controlled local oscillator in a superposition receiver |
Country Status (8)
| Country | Link |
|---|---|
| CH (1) | CH408135A (en) |
| DE (1) | DE1218559B (en) |
| ES (1) | ES310005A1 (en) |
| FI (1) | FI41412B (en) |
| FR (1) | FR1428295A (en) |
| GB (1) | GB1026070A (en) |
| NL (1) | NL6502308A (en) |
| SE (1) | SE308334B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2424543A1 (en) * | 1978-04-25 | 1979-11-23 | Labo Cent Telecommunicat | Detecting moving radar target from fixed echoes - utilising variable frequency coherent oscillator frequency controlled from auto-oscillator |
-
1964
- 1964-03-09 CH CH303864A patent/CH408135A/en unknown
-
1965
- 1965-02-08 DE DEA48351A patent/DE1218559B/en active Pending
- 1965-02-24 NL NL6502308A patent/NL6502308A/xx unknown
- 1965-03-02 ES ES0310005A patent/ES310005A1/en not_active Expired
- 1965-03-05 FR FR8135A patent/FR1428295A/en not_active Expired
- 1965-03-08 FI FI56665A patent/FI41412B/fi active
- 1965-03-08 GB GB966665A patent/GB1026070A/en not_active Expired
- 1965-03-08 SE SE300265A patent/SE308334B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1026070A (en) | 1966-04-14 |
| FI41412B (en) | 1969-07-31 |
| DE1218559B (en) | 1966-06-08 |
| NL6502308A (en) | 1965-09-10 |
| ES310005A1 (en) | 1965-06-01 |
| FR1428295A (en) | 1966-02-11 |
| SE308334B (en) | 1969-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IL33643A (en) | Frequency determining circuit for f.m. oscillator | |
| CH408135A (en) | Circuit arrangement for the automatic frequency locking of a voltage-controlled local oscillator in a superposition receiver | |
| AT290404B (en) | Mechanical resonator for normal frequency oscillators | |
| AT292784B (en) | Oscillator circuit for ultra-high frequency electrical oscillations | |
| FR1454604A (en) | Frequency synthesizer circuit | |
| CH514954A (en) | Circuit arrangement for locking a tunable oscillator | |
| CH471504A (en) | Frequency discriminator for pulse-shaped signals | |
| AT290626B (en) | Circuit arrangement for the automatic regulation of the frequency of an oscillator with respect to a reference frequency | |
| CH414770A (en) | Circuit arrangement for the automatic regulation of the frequency of an oscillator to a reference frequency | |
| MY7400037A (en) | Oscillator circuits | |
| IL35739A (en) | Frequency discriminator circuit | |
| CH408133A (en) | Tunable shortwave transmitter stage, which can be tuned over a wide frequency range | |
| CH474909A (en) | Circuit arrangement for the automatic regulation of the frequency of an oscillator with respect to a reference frequency | |
| CH437440A (en) | Circuit arrangement for holding the frequency of an electronically tuned oscillator | |
| MY7300391A (en) | Frequency discriminator apparatus | |
| AT310807B (en) | Control circuit for an oscillator with a frequency that can be tuned between two corner frequencies by means of a capacitance diode | |
| CA777403A (en) | Device for correcting the local oscillator frequency in a radar equipment | |
| IE30375L (en) | Electronic tunable oscillator | |
| AT288490B (en) | Receiving circuit based on the superposition principle for frequency-modulated signals with a limiting intermediate frequency amplifier | |
| AR193913A1 (en) | A RADIO FREQUENCY PASS FILTER | |
| FR1501369A (en) | Frequency discriminator circuit | |
| AT313386B (en) | Circuit arrangement for changing the frequency of a controllable oscillator | |
| CH431636A (en) | Transistor oscillator with variable frequency | |
| CA663930A (en) | Radio frequency oscillator arrangements | |
| DK117083B (en) | Oscillator coupling for ultra-high frequency electrical oscillations. |