GB1560264A - Superheterodyne receivers - Google Patents
Superheterodyne receivers Download PDFInfo
- Publication number
- GB1560264A GB1560264A GB32174/77A GB3217477A GB1560264A GB 1560264 A GB1560264 A GB 1560264A GB 32174/77 A GB32174/77 A GB 32174/77A GB 3217477 A GB3217477 A GB 3217477A GB 1560264 A GB1560264 A GB 1560264A
- Authority
- GB
- United Kingdom
- Prior art keywords
- output
- stage
- receiver
- pulse counter
- input
- 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
- 238000004458 analytical method Methods 0.000 claims description 8
- 238000011156 evaluation Methods 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/06—Measuring depth of modulation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762644159 DE2644159A1 (de) | 1976-09-30 | 1976-09-30 | Schaltungsanordnung zum ermitteln und auswerten der phasenstoermodulation eines messignals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1560264A true GB1560264A (en) | 1980-02-06 |
Family
ID=5989324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB32174/77A Expired GB1560264A (en) | 1976-09-30 | 1977-08-01 | Superheterodyne receivers |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4129831A (enExample) |
| DE (1) | DE2644159A1 (enExample) |
| FR (1) | FR2366576A2 (enExample) |
| GB (1) | GB1560264A (enExample) |
| IN (1) | IN148177B (enExample) |
| IT (1) | IT1087602B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2503496A1 (fr) * | 1981-04-06 | 1982-10-08 | Western Electric Co | Circuit detecteur de bruit et recepteur de signal pour un recepteur a modulation de frequence |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK148564C (da) * | 1982-08-05 | 1985-12-30 | Nordiske Kabel Traad | Fremgangsmaade ved signalbehandling af en modtaget impulsraekke, samt modtager til udoevelse af fremgangsmaaden |
| WO1992002912A1 (en) * | 1990-08-06 | 1992-02-20 | Schier J Alan | Sensing apparatus |
| JPH06350654A (ja) * | 1993-06-14 | 1994-12-22 | Toshiba Corp | クロック同期制御検証装置 |
| DE4324304B4 (de) * | 1993-07-20 | 2005-01-27 | Harman Becker Automotive Systems (Becker Division) Gmbh | Verfahren zur Unterdrückung von Empfangsstörungen in einem FM-Empfänger |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3384818A (en) * | 1963-12-13 | 1968-05-21 | Bendix Corp | System for detecting and measuring doppler frequency variation in a single pulse of alternating current |
| DE1294547B (de) * | 1964-08-08 | 1969-05-08 | Wandel & Goltermann | Verfahren zum Messen von an Vierpolen auftretenden frequenzabhaengigen Gruppenlaufzeitverzerrungen |
| US3737766A (en) * | 1971-12-06 | 1973-06-05 | Telecommunications Technology | Testing technique for phase jitter in communication systems |
| DE2213996C3 (de) * | 1972-03-22 | 1978-04-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Frequenzselektiver, insbesondere im Wobbeibetrieb einsetzbarer Dämpfungsmeßplatz |
| DE2213995B2 (de) * | 1972-03-22 | 1977-08-25 | Frequenzselektive, insbesondere fuer den wobbelbetrieb geeignete messchaltung |
-
1976
- 1976-09-30 DE DE19762644159 patent/DE2644159A1/de not_active Ceased
-
1977
- 1977-08-01 GB GB32174/77A patent/GB1560264A/en not_active Expired
- 1977-08-04 US US05/821,838 patent/US4129831A/en not_active Expired - Lifetime
- 1977-09-27 IT IT27961/77A patent/IT1087602B/it active
- 1977-09-29 FR FR7729297A patent/FR2366576A2/fr active Granted
- 1977-10-25 IN IN1536/CAL/77A patent/IN148177B/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2503496A1 (fr) * | 1981-04-06 | 1982-10-08 | Western Electric Co | Circuit detecteur de bruit et recepteur de signal pour un recepteur a modulation de frequence |
| US4388730A (en) | 1981-04-06 | 1983-06-14 | Bell Telephone Laboratories, Incorporated | Noise detector and data signal receiver for a frequency modulation system |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2366576B2 (enExample) | 1981-07-24 |
| FR2366576A2 (fr) | 1978-04-28 |
| IN148177B (enExample) | 1980-11-22 |
| US4129831A (en) | 1978-12-12 |
| DE2644159A1 (de) | 1978-04-06 |
| IT1087602B (it) | 1985-06-04 |
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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 |