DE4191921T - - Google Patents

Info

Publication number
DE4191921T
DE4191921T DE19914191921 DE4191921T DE4191921T DE 4191921 T DE4191921 T DE 4191921T DE 19914191921 DE19914191921 DE 19914191921 DE 4191921 T DE4191921 T DE 4191921T DE 4191921 T DE4191921 T DE 4191921T
Authority
DE
Grant status
Application
Patent type
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.)
Withdrawn - After Issue
Application number
DE19914191921
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068Circuits generating control signals for both R.F. and I.F. stages
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
DE19914191921 1990-08-24 1991-07-18 Withdrawn - After Issue DE4191921T (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US57208090 true 1990-08-24 1990-08-24

Publications (1)

Publication Number Publication Date
DE4191921T true true DE4191921T (en) 1992-08-27

Family

ID=24286267

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19914191921 Withdrawn - After Issue DE4191921T (en) 1990-08-24 1991-07-18

Country Status (6)

Country Link
JP (1) JP2797712B2 (en)
CA (1) CA2066711C (en)
DE (1) DE4191921T (en)
FR (1) FR2666709B1 (en)
GB (1) GB2253314B (en)
WO (1) WO1992003892A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509030A (en) * 1992-03-04 1996-04-16 Alcatel Network Systems, Inc. RF receiver AGC incorporating time domain equalizer circuity
US5396653A (en) * 1992-06-05 1995-03-07 Nokia Mobile Phones Ltd. Cellular telephone signalling circuit operable with different cellular telephone systems
FI97001C (en) * 1993-05-05 1996-09-25 Nokia Mobile Phones Ltd The coupling of processing a speech signal
US5469115A (en) * 1994-04-28 1995-11-21 Qualcomm Incorporated Method and apparatus for automatic gain control in a digital receiver
US5572452A (en) * 1995-02-03 1996-11-05 Telefonaktiebolaget Lm Ericsson Filter with feed-forward AGC
JPH10145250A (en) * 1996-11-12 1998-05-29 Nec Corp Radio receiver
JP4150101B2 (en) 1998-04-10 2008-09-17 富士通株式会社 Radio receiving device
JP4744461B2 (en) * 2007-02-27 2011-08-10 京セラ株式会社 Reception control method and the receiving device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748581A (en) * 1971-12-13 1973-07-24 Zenith Radio Corp Multi-mode detector circuit
US4355401A (en) * 1979-09-28 1982-10-19 Nippon Electric Co., Ltd. Radio transmitter/receiver for digital and analog communications system
DE2555249C2 (en) * 1975-12-09 1983-03-24 Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De
DE3146280C2 (en) * 1981-11-21 1988-09-01 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
WO1990006644A1 (en) * 1988-11-30 1990-06-14 Motorola, Inc. Digital automatic gain control

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2106359B (en) * 1981-09-24 1985-07-03 Standard Telephones Cables Ltd Direct conversion radio receiver for fm signals
GB8426953D0 (en) * 1984-10-25 1984-11-28 Standard Telephones Cables Ltd Multi-mode radio transceiver
FR2576472B1 (en) * 1985-01-22 1988-02-12 Alcatel Thomson Faisceaux Method and automatic gain control device of a multiple access receiver in time-division
JPS62216511A (en) * 1986-03-18 1987-09-24 Nec Corp Automatic gain controller
US4914651A (en) * 1988-09-20 1990-04-03 Cellular Data, Inc. Cellular data system
US5008953A (en) * 1989-06-26 1991-04-16 Telefonaktiebolaget L M Ericsson Mobile station link supervision utilizing digital voice color codes
US5020076A (en) * 1990-05-21 1991-05-28 Motorola, Inc. Hybrid modulation apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3748581A (en) * 1971-12-13 1973-07-24 Zenith Radio Corp Multi-mode detector circuit
DE2555249C2 (en) * 1975-12-09 1983-03-24 Rohde & Schwarz Gmbh & Co Kg, 8000 Muenchen, De
US4355401A (en) * 1979-09-28 1982-10-19 Nippon Electric Co., Ltd. Radio transmitter/receiver for digital and analog communications system
DE3146280C2 (en) * 1981-11-21 1988-09-01 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
WO1990006644A1 (en) * 1988-11-30 1990-06-14 Motorola, Inc. Digital automatic gain control

Also Published As

Publication number Publication date Type
FR2666709B1 (en) 1995-05-05 grant
CA2066711A1 (en) 1992-02-25 application
WO1992003892A1 (en) 1992-03-05 application
FR2666709A1 (en) 1992-03-13 application
JPH05501794A (en) 1993-04-02 application
GB9207830D0 (en) 1992-06-10 grant
GB2253314A (en) 1992-09-02 application
GB2253314B (en) 1994-04-20 grant
CA2066711C (en) 1996-09-03 grant
JP2797712B2 (en) 1998-09-17 grant

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8139 Disposal/non-payment of the annual fee