DE977780C - UEberlagerungsempfaenger - Google Patents
UEberlagerungsempfaengerInfo
- Publication number
- DE977780C DE977780C DE1962R0033113 DER0033113A DE977780C DE 977780 C DE977780 C DE 977780C DE 1962R0033113 DE1962R0033113 DE 1962R0033113 DE R0033113 A DER0033113 A DE R0033113A DE 977780 C DE977780 C DE 977780C
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- oscillator
- interval
- receiver
- steps
- 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
- 239000010453 quartz Substances 0.000 claims 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 5
- 230000015572 biosynthetic process Effects 0.000 claims 3
- 238000003786 synthesis reaction Methods 0.000 claims 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 239000013078 crystal Substances 0.000 claims 2
- 230000015654 memory Effects 0.000 claims 2
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims 2
- 230000035559 beat frequency Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 claims 1
- 230000006870 function Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0245—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form
- H03J5/0272—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, in which no corresponding analogue value either exists or is preset, i.e. the tuning information is only available in a digital form the digital values being used to preset a counter or a frequency divider in a phase locked loop, e.g. frequency synthesizer
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1962R0033113 DE977780C (de) | 1962-07-12 | 1962-07-12 | UEberlagerungsempfaenger |
| FR1604508D FR1604508A (enExample) | 1962-07-12 | 1963-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1962R0033113 DE977780C (de) | 1962-07-12 | 1962-07-12 | UEberlagerungsempfaenger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE977780C true DE977780C (de) | 1970-03-26 |
Family
ID=7403981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1962R0033113 Expired DE977780C (de) | 1962-07-12 | 1962-07-12 | UEberlagerungsempfaenger |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE977780C (enExample) |
| FR (1) | FR1604508A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2175671A1 (enExample) * | 1972-03-17 | 1973-10-26 | Trt Telecom Radio Electr | |
| DE2723299A1 (de) * | 1977-05-24 | 1978-11-30 | Wandel & Goltermann | Anordnung mit einem einstellknopf zum erzeugen von fortschaltimpulsen fuer ein digitales stellglied |
| US4270117A (en) | 1979-02-02 | 1981-05-26 | Rockwell International Corporation | Variable rate digital controller for a frequency synthesizer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2371821A1 (fr) * | 1976-10-25 | 1978-06-16 | Indesit | Dispositif d'accord pour recepteur de television |
-
1962
- 1962-07-12 DE DE1962R0033113 patent/DE977780C/de not_active Expired
-
1963
- 1963-07-09 FR FR1604508D patent/FR1604508A/fr not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2175671A1 (enExample) * | 1972-03-17 | 1973-10-26 | Trt Telecom Radio Electr | |
| DE2723299A1 (de) * | 1977-05-24 | 1978-11-30 | Wandel & Goltermann | Anordnung mit einem einstellknopf zum erzeugen von fortschaltimpulsen fuer ein digitales stellglied |
| US4270117A (en) | 1979-02-02 | 1981-05-26 | Rockwell International Corporation | Variable rate digital controller for a frequency synthesizer |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1604508A (enExample) | 1971-11-29 |
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