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Class Information
Number: 375/345
Name: Pulse or digital communications > Receivers > Automatic gain control
Description: Subject matter where the amplification of the receiver is automatically adjusted in accordance with the strength of the received signal.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6843597 |
Method and apparatus of a fast two-loop automatic gain control circuit |
Jan. 18, 2005 |
| 6845232 |
Analog peak detection circuitry for radio receivers |
Jan. 18, 2005 |
| 6842489 |
Coherent adaptive calibration system and method |
Jan. 11, 2005 |
| 6836519 |
Automatic digital scaling for digital communication systems |
Dec. 28, 2004 |
| 6836229 |
Automatic gain control method |
Dec. 28, 2004 |
| 6836647 |
Device and method for CDMA-signal power estimation |
Dec. 28, 2004 |
| 6831957 |
System and method of dual mode automatic gain control for a digital radio receiver |
Dec. 14, 2004 |
| 6822696 |
Receiver |
Nov. 23, 2004 |
| 6823028 |
Digitally controlled automatic gain control system for use in an analog front-end of a receiver |
Nov. 23, 2004 |
| 6819706 |
Control device for controlling power level between frequency assignment in radio frequency receiving device of mobile radio communication base station system in CDMA system |
Nov. 16, 2004 |
| 6816716 |
Radio frequency control for communication systems |
Nov. 9, 2004 |
| 6807406 |
Variable gain mixer circuit |
Oct. 19, 2004 |
| 6799024 |
Method and apparatus for automatic gain control compensation in a wireless communication system |
Sep. 28, 2004 |
| 6799023 |
Method of automatic gain control in base station of cellular radio network |
Sep. 28, 2004 |
| 6792254 |
Method of comparing the amplitudes of two electric signals |
Sep. 14, 2004 |
| 6792055 |
Data communications receiver with automatic control of gain or threshold for soft decision decoding |
Sep. 14, 2004 |
| 6785523 |
Self-correlation detection in automatic gain calibration |
Aug. 31, 2004 |
| 6782061 |
AGC circuit |
Aug. 24, 2004 |
| 6782062 |
Low power and high linearity receivers with reactively biased front ends |
Aug. 24, 2004 |
| 6781424 |
Single chip CMOS transmitter/receiver and method of using same |
Aug. 24, 2004 |
| 6782063 |
Automatic gain control |
Aug. 24, 2004 |
| 6781448 |
Method and apparatus for demodulating data |
Aug. 24, 2004 |
| 6778616 |
Radio reception apparatus and received power amplification method |
Aug. 17, 2004 |
| 6775337 |
Digital automatic gain control with feedback induced noise suppression |
Aug. 10, 2004 |
| 6775336 |
Receiver and gain control method of the same |
Aug. 10, 2004 |
| 6775338 |
Digital servo channel for recording apparatus |
Aug. 10, 2004 |
| 6771720 |
Amplification control scheme for a receiver |
Aug. 3, 2004 |
| 6771719 |
Automatic gain control method and its system |
Aug. 3, 2004 |
| 6754479 |
Squaring circuit and electronic device using same |
Jun. 22, 2004 |
| 6751450 |
Radio apparatus carrying out automatic gain control and gain control method |
Jun. 15, 2004 |
| 6748200 |
Automatic gain control system and method for a ZIF architecture |
Jun. 8, 2004 |
| 6748038 |
Method and circuit for determining signal amplitude |
Jun. 8, 2004 |
| 6744830 |
Digital broadcasting signal receiver |
Jun. 1, 2004 |
| 6731910 |
Data transmission system, data transmitter and data receiver used in the data transmission system |
May. 4, 2004 |
| 6731703 |
Reception power level calculating circuit and receiver using the same |
May. 4, 2004 |
| 6731348 |
Television tuner having simple layout and capable of receiving FM broadcast signals without interference |
May. 4, 2004 |
| 6728366 |
Signal level adjustment arrangement |
Apr. 27, 2004 |
| 6721368 |
Transmitter architectures for communications systems |
Apr. 13, 2004 |
| 6721370 |
Phase correction circuit for radio communication apparatus |
Apr. 13, 2004 |
| 6721547 |
In-band and out-of-band signal detection for automatic gain calibration systems |
Apr. 13, 2004 |
| 6721350 |
Spread spectrum adaptive power control using a base station |
Apr. 13, 2004 |
| 6707865 |
Digital voltage gain amplifier for zero IF architecture |
Mar. 16, 2004 |
| 6694105 |
Burst mode receiving apparatus having an offset compensating function and a data recovery method thereof |
Feb. 17, 2004 |
| 6683926 |
Gain controller with comparator offset compensation for circuit having in-phase and quadrature channels |
Jan. 27, 2004 |
| 6683925 |
Wireless terminal device |
Jan. 27, 2004 |
| 6678010 |
Method and apparatus for generating auto gain control signal having information storing feature |
Jan. 13, 2004 |
| 6671002 |
VSB receiver |
Dec. 30, 2003 |
| 6671336 |
Gain controller for circuit having in-phase and quadrature channels, and method |
Dec. 30, 2003 |
| 6671337 |
Carrier modulator for use in a transmitter or transceiver |
Dec. 30, 2003 |
| 6668028 |
Low-power CDMA receiver |
Dec. 23, 2003 |
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