HK25697A - Dual mode automatic gain control - Google Patents

Dual mode automatic gain control

Info

Publication number
HK25697A
HK25697A HK25697A HK25697A HK25697A HK 25697 A HK25697 A HK 25697A HK 25697 A HK25697 A HK 25697A HK 25697 A HK25697 A HK 25697A HK 25697 A HK25697 A HK 25697A
Authority
HK
Hong Kong
Prior art keywords
gain control
automatic gain
dual mode
mode automatic
dual
Prior art date
Application number
HK25697A
Other languages
English (en)
Inventor
Randall W Rich
Rashid M Osmani
Thomas J Walczak
Stephen V Cahill
Original Assignee
Motorola Inc
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
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of HK25697A publication Critical patent/HK25697A/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
HK25697A 1990-08-24 1997-03-06 Dual mode automatic gain control HK25697A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57208090A 1990-08-24 1990-08-24
PCT/US1991/005069 WO1992003892A1 (en) 1990-08-24 1991-07-18 Dual mode automatic gain control

Publications (1)

Publication Number Publication Date
HK25697A true HK25697A (en) 1997-03-06

Family

ID=24286267

Family Applications (1)

Application Number Title Priority Date Filing Date
HK25697A HK25697A (en) 1990-08-24 1997-03-06 Dual mode automatic gain control

Country Status (9)

Country Link
JP (1) JP2797712B2 (es)
AU (1) AU632707B2 (es)
CA (1) CA2066711C (es)
DE (1) DE4191921T (es)
FR (1) FR2666709A1 (es)
GB (1) GB2253314B (es)
HK (1) HK25697A (es)
MX (1) MX173696B (es)
WO (1) WO1992003892A1 (es)

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 (fi) * 1993-05-05 1996-09-25 Nokia Mobile Phones Ltd Kytkentä puhesignaalin käsittelemiseksi
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 (ja) * 1996-11-12 1998-05-29 Nec Corp 無線受信装置
JP4150101B2 (ja) 1998-04-10 2008-09-17 富士通株式会社 無線受信装置
JP4744461B2 (ja) * 2007-02-27 2011-08-10 京セラ株式会社 受信制御方法および受信装置

Family Cites Families (12)

* 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 (de) * 1975-12-09 1983-03-24 Rohde & Schwarz GmbH & Co KG, 8000 München Hochfrequenz-Nachrichtenempfänger
JPS5648732A (en) * 1979-09-28 1981-05-02 Nec Corp Radio equipment
GB2106359B (en) * 1981-09-24 1985-07-03 Standard Telephones Cables Ltd Direct conversion radio receiver for fm signals
DE3146280A1 (de) * 1981-11-21 1983-06-23 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Demodulatoren, deren regelinformation von einem leistungsdetektor gewonnen wird
GB2166324A (en) * 1984-10-25 1986-04-30 Stc Plc A multi-mode radio transceiver
FR2576472B1 (fr) * 1985-01-22 1988-02-12 Alcatel Thomson Faisceaux Procede et dispositif de commande automatique de gain d'un recepteur en acces multiple a repartition temporelle
JPS62216511A (ja) * 1986-03-18 1987-09-24 Nec Corp 自動利得制御装置
US4914651A (en) * 1988-09-20 1990-04-03 Cellular Data, Inc. Cellular data system
IE64560B1 (en) * 1988-11-30 1995-08-23 Motorola Inc Digital automatic gain control
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

Also Published As

Publication number Publication date
JPH05501794A (ja) 1993-04-02
CA2066711A1 (en) 1992-02-25
GB9207830D0 (en) 1992-06-10
WO1992003892A1 (en) 1992-03-05
MX173696B (es) 1994-03-22
GB2253314A (en) 1992-09-02
MX9100764A (es) 1992-04-01
AU8307691A (en) 1992-03-17
FR2666709B1 (es) 1995-05-05
FR2666709A1 (fr) 1992-03-13
DE4191921T (es) 1992-08-27
AU632707B2 (en) 1993-01-07
GB2253314B (en) 1994-04-20
CA2066711C (en) 1996-09-03
JP2797712B2 (ja) 1998-09-17

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)