IT1040595B - Dispositivo circuitale per la rivelazione di segnali di disturbo in ricevitori radio - Google Patents
Dispositivo circuitale per la rivelazione di segnali di disturbo in ricevitori radioInfo
- Publication number
- IT1040595B IT1040595B IT49669/75A IT4966975A IT1040595B IT 1040595 B IT1040595 B IT 1040595B IT 49669/75 A IT49669/75 A IT 49669/75A IT 4966975 A IT4966975 A IT 4966975A IT 1040595 B IT1040595 B IT 1040595B
- Authority
- IT
- Italy
- Prior art keywords
- detection
- noise signals
- radio receivers
- circuital
- circuital device
- Prior art date
Links
- 238000001514 detection method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/345—Muting during a short period of time when noise pulses are detected, i.e. blanking
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2424450A DE2424450C3 (de) | 1974-05-20 | 1974-05-20 | Schaltungsanordnung zur Detektion von Störsignalen und zum Auslösen eines Impulses beim Auftreten von Störsignalen |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1040595B true IT1040595B (it) | 1979-12-20 |
Family
ID=5916064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49669/75A IT1040595B (it) | 1974-05-20 | 1975-05-19 | Dispositivo circuitale per la rivelazione di segnali di disturbo in ricevitori radio |
Country Status (7)
Country | Link |
---|---|
US (1) | US3958181A (it) |
JP (1) | JPS51205A (it) |
DE (1) | DE2424450C3 (it) |
FR (1) | FR2272541B1 (it) |
GB (1) | GB1494144A (it) |
IT (1) | IT1040595B (it) |
NL (1) | NL7505818A (it) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4154980A (en) * | 1977-08-29 | 1979-05-15 | Motorola, Inc. | Noise blanker with variable rate-shut-off and/or variable blanking threshold level |
US4236254A (en) * | 1978-03-27 | 1980-11-25 | Motorola, Inc. | Radio receiver blanker inhibit circuit |
DE3326062A1 (de) * | 1983-07-20 | 1985-01-31 | Gerhard Prof. Dr.-Ing. 8012 Ottobrunn Flachenecker | Detektor zur anzeige von frequenzstoerhubspitzen |
US4510624A (en) * | 1983-09-22 | 1985-04-09 | Motorola, Inc. | Noise blanking arrangement to minimize blanker splatter |
US4617474A (en) * | 1984-06-27 | 1986-10-14 | Jason Barry L | Signal detector |
DE3509968A1 (de) * | 1985-03-20 | 1986-09-25 | Haverkamp, Henrik, 6101 Bickenbach | Automatischer stoeraustaster fuer niederfrequenzsignale |
US7683709B1 (en) | 2008-06-05 | 2010-03-23 | The United States Of America As Represented By The Secretary Of The Navy | Low frequency power amplifier employing high frequency magnetic components |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3413492A (en) * | 1965-10-11 | 1968-11-26 | Philco Ford Corp | Strobe amplifier of high speed turn-on and turn-off type having infinite noise rejection in absence of strobe pulse |
US3509468A (en) * | 1967-05-22 | 1970-04-28 | Warwick Electronics Inc | Transistorized squelch circuit for an fm receiver |
US3538253A (en) * | 1967-10-16 | 1970-11-03 | Avco Corp | Signal powered signal-to-noise squelch |
-
1974
- 1974-05-20 DE DE2424450A patent/DE2424450C3/de not_active Expired
-
1975
- 1975-05-06 GB GB18997/75A patent/GB1494144A/en not_active Expired
- 1975-05-06 US US05/575,080 patent/US3958181A/en not_active Expired - Lifetime
- 1975-05-07 FR FR7514436A patent/FR2272541B1/fr not_active Expired
- 1975-05-16 NL NL7505818A patent/NL7505818A/xx unknown
- 1975-05-19 JP JP50058769A patent/JPS51205A/ja active Pending
- 1975-05-19 IT IT49669/75A patent/IT1040595B/it active
Also Published As
Publication number | Publication date |
---|---|
US3958181A (en) | 1976-05-18 |
FR2272541A1 (it) | 1975-12-19 |
DE2424450A1 (de) | 1975-12-04 |
DE2424450B2 (de) | 1978-03-16 |
NL7505818A (nl) | 1975-11-24 |
JPS51205A (it) | 1976-01-05 |
DE2424450C3 (de) | 1979-04-05 |
FR2272541B1 (it) | 1981-05-29 |
GB1494144A (en) | 1977-12-07 |
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