CA2066711C - Commande automatique de gain bimode - Google Patents
Commande automatique de gain bimodeInfo
- Publication number
- CA2066711C CA2066711C CA 2066711 CA2066711A CA2066711C CA 2066711 C CA2066711 C CA 2066711C CA 2066711 CA2066711 CA 2066711 CA 2066711 A CA2066711 A CA 2066711A CA 2066711 C CA2066711 C CA 2066711C
- Authority
- CA
- Canada
- Prior art keywords
- signal
- receiver
- gain control
- received
- circuitry
- 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 - Fee Related
Links
- 230000009977 dual effect Effects 0.000 title claims 2
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 13
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000001413 cellular effect Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 6
- 238000005562 fading Methods 0.000 description 6
- 239000013598 vector Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- 101000869912 Cerastes vipera Disintegrin CV-11-alpha Proteins 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- KJKKZSJXJPPWSI-UHFFFAOYSA-N n,6-dimethylhept-5-en-2-amine;1,5-dimethyl-2-phenylpyrazol-3-one;n-(4-hydroxyphenyl)acetamide;2,3,4,5-tetrahydroxyhexanedioic acid;2,2,2-trichloroethane-1,1-diol Chemical compound OC(O)C(Cl)(Cl)Cl.OC(O)C(Cl)(Cl)Cl.CNC(C)CCC=C(C)C.CC(=O)NC1=CC=C(O)C=C1.CN1C(C)=CC(=O)N1C1=CC=CC=C1.OC(=O)C(O)C(O)C(O)C(O)C(O)=O KJKKZSJXJPPWSI-UHFFFAOYSA-N 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 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
- H03G3/3052—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
- 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
Landscapes
- Mobile Radio Communication Systems (AREA)
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
- Radar Systems Or Details Thereof (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US57208090A | 1990-08-24 | 1990-08-24 | |
US572,080 | 1990-08-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2066711A1 CA2066711A1 (fr) | 1992-02-25 |
CA2066711C true CA2066711C (fr) | 1996-09-03 |
Family
ID=24286267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2066711 Expired - Fee Related CA2066711C (fr) | 1990-08-24 | 1991-07-18 | Commande automatique de gain bimode |
Country Status (9)
Country | Link |
---|---|
JP (1) | JP2797712B2 (fr) |
AU (1) | AU632707B2 (fr) |
CA (1) | CA2066711C (fr) |
DE (1) | DE4191921T (fr) |
FR (1) | FR2666709A1 (fr) |
GB (1) | GB2253314B (fr) |
HK (1) | HK25697A (fr) |
MX (1) | MX173696B (fr) |
WO (1) | WO1992003892A1 (fr) |
Families Citing this family (8)
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)
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 |
-
1991
- 1991-07-18 WO PCT/US1991/005069 patent/WO1992003892A1/fr active Application Filing
- 1991-07-18 JP JP3513084A patent/JP2797712B2/ja not_active Expired - Lifetime
- 1991-07-18 DE DE19914191921 patent/DE4191921T/de not_active Withdrawn
- 1991-07-18 AU AU83076/91A patent/AU632707B2/en not_active Ceased
- 1991-07-18 CA CA 2066711 patent/CA2066711C/fr not_active Expired - Fee Related
- 1991-08-21 MX MX9100764A patent/MX173696B/es not_active IP Right Cessation
- 1991-08-23 FR FR9110585A patent/FR2666709A1/fr active Granted
-
1992
- 1992-04-09 GB GB9207830A patent/GB2253314B/en not_active Expired - Fee Related
-
1997
- 1997-03-06 HK HK25697A patent/HK25697A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE4191921T (fr) | 1992-08-27 |
JPH05501794A (ja) | 1993-04-02 |
GB2253314A (en) | 1992-09-02 |
WO1992003892A1 (fr) | 1992-03-05 |
HK25697A (en) | 1997-03-06 |
GB2253314B (en) | 1994-04-20 |
AU632707B2 (en) | 1993-01-07 |
JP2797712B2 (ja) | 1998-09-17 |
FR2666709B1 (fr) | 1995-05-05 |
AU8307691A (en) | 1992-03-17 |
CA2066711A1 (fr) | 1992-02-25 |
MX9100764A (es) | 1992-04-01 |
GB9207830D0 (en) | 1992-06-10 |
MX173696B (es) | 1994-03-22 |
FR2666709A1 (fr) | 1992-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5187809A (en) | Dual mode automatic gain control | |
RU2241304C2 (ru) | Способ и устройство автоматической регулировки усиления и исключения смещения постоянной составляющей в приемнике с квадратурной демодуляцией | |
CA2066711C (fr) | Commande automatique de gain bimode | |
US5251331A (en) | High efficiency dual mode power amplifier apparatus | |
US6438360B1 (en) | Amplifier system with load control to produce an amplitude envelope | |
AU702217B2 (en) | Method and apparatus for automatic gain control in a digital receiver | |
US5204979A (en) | Diversity receiving method and apparatus for combining a plurality of rapidly changing signals | |
US5610559A (en) | Dual loop frequency synthesizer having fractional dividers | |
US4142155A (en) | Diversity system | |
FI81931C (fi) | Foerfarande foer alstring av laoga effektnivaoer i saendaren av en radiotelefon. | |
US3209271A (en) | Phase-locked loops | |
EP1170915A1 (fr) | Circuit de modulation de signal et procede de modulation de signal | |
US7970364B2 (en) | Strategy for using the envelope information within a closed loop power control system | |
AU645842B2 (en) | Automatic frequency control system and method for frequency-shift-key data transmission systems | |
US20060154626A1 (en) | Method and apparatus for controlling a transmitter | |
KR19980702881A (ko) | 제로-if 수신기에서의 슬로프, 드리프트 및 오프셋 보상 | |
WO2001019047A1 (fr) | Recepteur d'interpolation de phase pour signaux rf a modulation angulaire | |
US6898257B2 (en) | Transmitter device having a modulation closed loop | |
WO2003049299A2 (fr) | Reglage de puissance d'emetteur hf | |
US5787362A (en) | AM removal from FM signal generated by IQ modulator | |
GB2349994A (en) | Producing non-constant-envelope RF modulated signals | |
US6035001A (en) | Method and arrangement in a transmission system | |
US4797635A (en) | Tracking loop having nonlinear amplitude filter | |
US4479227A (en) | Auto-balance method and apparatus for suppression of residual lines in a transmitted spectrum | |
US6658069B1 (en) | Automatic gain control circuit and control method therefor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |