GB1410251A - Superheterodyne receiver particularly for the short wave or ultrashort wave range - Google Patents
Superheterodyne receiver particularly for the short wave or ultrashort wave rangeInfo
- Publication number
- GB1410251A GB1410251A GB78273A GB78273A GB1410251A GB 1410251 A GB1410251 A GB 1410251A GB 78273 A GB78273 A GB 78273A GB 78273 A GB78273 A GB 78273A GB 1410251 A GB1410251 A GB 1410251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- output
- amplifier
- mixer
- control
- 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
Classifications
-
- 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
Landscapes
- Superheterodyne Receivers (AREA)
- Noise Elimination (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722201221 DE2201221C3 (de) | 1972-01-12 | Überlagerungsempfänger |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1410251A true GB1410251A (en) | 1975-10-15 |
Family
ID=5832765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB78273A Expired GB1410251A (en) | 1972-01-12 | 1973-01-05 | Superheterodyne receiver particularly for the short wave or ultrashort wave range |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4880206A (it) |
CH (1) | CH561484A5 (it) |
FR (1) | FR2330222A1 (it) |
GB (1) | GB1410251A (it) |
IT (1) | IT972975B (it) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2270223A (en) * | 1992-08-29 | 1994-03-02 | Motorola Israel Ltd | Radio with adjustable filter controlled in dependence on received reference frequency |
WO2006019437A1 (en) * | 2004-07-20 | 2006-02-23 | Bae Systems Information And Electronic Systems Integration Inc. | Programmable filter |
CN114421956A (zh) * | 2022-04-01 | 2022-04-29 | 浙江赛思电子科技有限公司 | 一种鉴频鉴相控制系统及方法 |
-
1972
- 1972-12-27 CH CH1889672A patent/CH561484A5/xx not_active IP Right Cessation
- 1972-12-28 IT IT3365172A patent/IT972975B/it active
-
1973
- 1973-01-05 GB GB78273A patent/GB1410251A/en not_active Expired
- 1973-01-11 JP JP626873A patent/JPS4880206A/ja active Pending
- 1973-01-12 FR FR7301658A patent/FR2330222A1/fr active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2270223A (en) * | 1992-08-29 | 1994-03-02 | Motorola Israel Ltd | Radio with adjustable filter controlled in dependence on received reference frequency |
US5475871A (en) * | 1992-08-29 | 1995-12-12 | Motorola, Inc. | Communication system with control signal based tuning |
GB2270223B (en) * | 1992-08-29 | 1996-06-19 | Motorola Israel Ltd | A communications system |
WO2006019437A1 (en) * | 2004-07-20 | 2006-02-23 | Bae Systems Information And Electronic Systems Integration Inc. | Programmable filter |
US7161416B2 (en) | 2004-07-20 | 2007-01-09 | Bae Systems Information And Electronic Systems Integration Inc. | Programmable filter |
CN114421956A (zh) * | 2022-04-01 | 2022-04-29 | 浙江赛思电子科技有限公司 | 一种鉴频鉴相控制系统及方法 |
CN114421956B (zh) * | 2022-04-01 | 2022-07-01 | 浙江赛思电子科技有限公司 | 一种鉴频鉴相控制系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
DE2201221A1 (de) | 1973-07-26 |
FR2330222A1 (fr) | 1977-05-27 |
JPS4880206A (it) | 1973-10-27 |
DE2201221B2 (de) | 1975-10-23 |
FR2330222B1 (it) | 1978-04-14 |
CH561484A5 (it) | 1975-04-30 |
IT972975B (it) | 1974-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |