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Class Information
Number: 455/241.1
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Local control of receiver operation > Gain control > Automatic > Nonlinear automatic gain control > Different gain stages
Description: Subject matter wherein the receiver contains plurality of amplifiers, the gain of each amplifier being different.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7603094 |
DC offset correction for direct conversion receivers |
Oct. 13, 2009 |
| 7558551 |
Signal distribution system cascadable AGC device and method |
Jul. 7, 2009 |
| 7496338 |
Multi-segment gain control system |
Feb. 24, 2009 |
| 7477882 |
Reception apparatus and reception method |
Jan. 13, 2009 |
| 7463704 |
Multi-chain signal detection and gain control for automatic gain control systems |
Dec. 9, 2008 |
| 7440738 |
Automatic gain control with two power detectors |
Oct. 21, 2008 |
| 7414676 |
Integrated programmable tuner |
Aug. 19, 2008 |
| 7373162 |
Methods of controlling transmission power levels in air interface channels |
May. 13, 2008 |
| 7336935 |
Dynamic power control circuit of wireless communication device |
Feb. 26, 2008 |
| 7302022 |
Automatic gain control device and method in orthogonal frequency division multiplexing system with DC offset compensation function, and recording medium storing program containing the method |
Nov. 27, 2007 |
| 7277511 |
Two-stage non-linear filter for analog signal gain control in an OFDM receiver |
Oct. 2, 2007 |
| 7263363 |
Method for mitigating intermodulation interference using channel power estimation and attenuation in a two-way radio communications system |
Aug. 28, 2007 |
| 7190936 |
Voltage regulator for high performance RF systems |
Mar. 13, 2007 |
| 7184730 |
Automatic gain control system having a wide range of continuous gain control |
Feb. 27, 2007 |
| 7076224 |
Process for controlling the gain of a frequency tuner, and corresponding tuner, in particular for the reception of terrestrial digital television signals |
Jul. 11, 2006 |
| 7068988 |
Radio reception apparatus, signal processing timing control method, and signal processing timing control program |
Jun. 27, 2006 |
| 7065334 |
Variable gain amplifier device |
Jun. 20, 2006 |
| 7050774 |
AGC circuit of an FM receiver that reduces interference while maintaining high reception sensitivity |
May. 23, 2006 |
| 7039377 |
Switchable gain amplifier |
May. 2, 2006 |
| 7031684 |
Variable gain amplifier device |
Apr. 18, 2006 |
| 7024221 |
Notch filter for DC offset reduction in radio-frequency apparatus and associated methods |
Apr. 4, 2006 |
| 6996386 |
Automatic gain control circuit controlling gain of receiver including two automatic gain control amplifiers |
Feb. 7, 2006 |
| 6961552 |
LNA gain adjustment for intermodulation interference reduction |
Nov. 1, 2005 |
| 6954624 |
Transmitter and wireless communication device having a low power bypass branch |
Oct. 11, 2005 |
| 6950641 |
Apparatus, and an associated method, for increasing receiver sensitivity of a direct conversion receiver |
Sep. 27, 2005 |
| 6904273 |
Method and system for automatic gain control in a satellite communications system |
Jun. 7, 2005 |
| 6853838 |
Biasing circuit for degenerated differential pair |
Feb. 8, 2005 |
| 6804501 |
Receiver having gain control and narrowband interference detection |
Oct. 12, 2004 |
| 6771719 |
Automatic gain control method and its system |
Aug. 3, 2004 |
| 6748092 |
Hearing aid with improved percentile estimator |
Jun. 8, 2004 |
| 6728524 |
Automatic gain control circuit for controlling two AGC amplifiers |
Apr. 27, 2004 |
| 6675000 |
Radio communication apparatus and transmission power control method therein |
Jan. 6, 2004 |
| 6563891 |
Automatic gain control for slotted mode operation |
May. 13, 2003 |
| 6559717 |
Method and/or architecture for implementing a variable gain amplifier control |
May. 6, 2003 |
| 6522870 |
Automatic gain-controlled VHF/UHF antenna tuning apparatus |
Feb. 18, 2003 |
| 6480063 |
Method and circuit for controlling baseband gain |
Nov. 12, 2002 |
| 6400933 |
Amplifier |
Jun. 4, 2002 |
| 6353364 |
Digitally gain controllable amplifiers with analog gain control input, on-chip decoder and programmable gain distribution |
Mar. 5, 2002 |
| 6333675 |
Variable gain amplifier with gain control voltage branch circuit |
Dec. 25, 2001 |
| 6324230 |
Multimode fast attack automatic gain control (AGC) loop for narrow band receivers |
Nov. 27, 2001 |
| 6289044 |
Automatic gain control circuit for a modem receiver |
Sep. 11, 2001 |
| 6281757 |
High frequency signal amplifying circuit and a receiver using the same |
Aug. 28, 2001 |
| 6226504 |
Receiving apparatus |
May. 1, 2001 |
| 6184751 |
Amplifier circuit |
Feb. 6, 2001 |
| 6181201 |
Automatic gain control circuit for controlling multiple variable gain amplifier stages while estimating received signal power |
Jan. 30, 2001 |
| 6181922 |
Attenuator unit, step attenuator, and electronic apparatus |
Jan. 30, 2001 |
| 6148189 |
AGC circuit arrangement for a tuner |
Nov. 14, 2000 |
| 6088583 |
Automatic gain control circuit |
Jul. 11, 2000 |
| 6085074 |
Apparatus and method for amplifying an amplitude-varying signal |
Jul. 4, 2000 |
| 6078796 |
Method and apparatus for receiving a wideband signal using multiple automatic gain controllers |
Jun. 20, 2000 |
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