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Class Information
Number: 455/127.3
Name: Telecommunications > Transmitter > Power control, power supply, or bias voltage supply > Gain control > Plural amplifier stages
Description: Subject matter including detail of controlling the gains of plural amplifier stages of the transmitter.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616931 |
System and method for reducing phase distortion in a linear transmitter |
Nov. 10, 2009 |
| 7616932 |
Multi-channel amplifier with reduced overall power emission, and circuit management including same |
Nov. 10, 2009 |
| 7609781 |
Wireless communication device with self calibration feature for controlling power output |
Oct. 27, 2009 |
| 7603088 |
Multi-channel radiometer imaging system and MMIC chips for use thereof |
Oct. 13, 2009 |
| 7598895 |
System and method of altering a PWM carrier power spectrum |
Oct. 6, 2009 |
| 7599670 |
Dynamic bias for receiver controlled by radio link quality |
Oct. 6, 2009 |
| 7593710 |
Method and a device for controlling amplification of a signal emitted by a mobile terminal and increasing the autonomy of the mobile terminal |
Sep. 22, 2009 |
| 7590394 |
Apparatus and method for amplifying multi-mode power using pre-distorter |
Sep. 15, 2009 |
| 7570710 |
In-phase and quadrature-phase signal amplitude and phase calibration |
Aug. 4, 2009 |
| 7570930 |
Amplifier arrangement, polar transmitter having the amplifier arrangement and method for amplifying signals |
Aug. 4, 2009 |
| 7558313 |
Cross-correlated TDMA, spread spectrum, CDMA and OFDM systems |
Jul. 7, 2009 |
| 7558541 |
Amplifier gain and phase stabilizer |
Jul. 7, 2009 |
| 7548733 |
Wireless transmitter having multiple power amplifier drivers (PADs) that are selectively biased to provide substantially linear magnitude and phase responses |
Jun. 16, 2009 |
| 7548732 |
Power amplifier arrangement having two or more antenna coupling respective amplifiers to a supply potential |
Jun. 16, 2009 |
| 7548590 |
Method for determining an offset value for a gain of a transmission path, transmission path with adjustable gain, and use of the transmission path |
Jun. 16, 2009 |
| 7542733 |
Method and apparatus for diversity transmission from a mobile station |
Jun. 2, 2009 |
| 7539468 |
Communication terminal device and amplification circuit |
May. 26, 2009 |
| 7537171 |
Thermostat control system providing power saving transmissions |
May. 26, 2009 |
| 7526261 |
RF power transmission, modulation, and amplification, including cartesian 4-branch embodiments |
Apr. 28, 2009 |
| 7519337 |
Transmitter and mobile communication terminal using the same |
Apr. 14, 2009 |
| 7515879 |
Radio frequency circuit module |
Apr. 7, 2009 |
| 7515885 |
Communications signal amplifiers having independent power control and amplitude modulation |
Apr. 7, 2009 |
| 7502600 |
Dynamic bias for RF power amplifiers |
Mar. 10, 2009 |
| 7502817 |
Method and apparatus for partitioning memory in a telecommunication device |
Mar. 10, 2009 |
| 7499682 |
Dual voltage regulator for a supply voltage controlled power amplifier in a closed power control loop |
Mar. 3, 2009 |
| 7496375 |
Transmission power control device |
Feb. 24, 2009 |
| 7489954 |
Wireless communication apparatus and method of wireless communication |
Feb. 10, 2009 |
| 7471935 |
Automatic level control |
Dec. 30, 2008 |
| 7460841 |
Circuit arrangement and method for compensating for abrupt signal level changes in amplification devices |
Dec. 2, 2008 |
| 7460842 |
Wireless transmitter having polar loop controller with current feedback and methods |
Dec. 2, 2008 |
| 7450912 |
Transmitter and transceiver |
Nov. 11, 2008 |
| 7450915 |
Smart transmitter system |
Nov. 11, 2008 |
| 7444125 |
Communications signal amplifiers having independent power control and amplitude modulation |
Oct. 28, 2008 |
| 7444124 |
Adjustable segmented power amplifier |
Oct. 28, 2008 |
| 7440488 |
TDMA, spread spectrum RF agile filtered signal transmission |
Oct. 21, 2008 |
| 7433656 |
Reducing flicker noise in two-stage amplifiers |
Oct. 7, 2008 |
| 7421256 |
Low noise switching voltage regulator |
Sep. 2, 2008 |
| 7418244 |
Radio transmitter with accurate power control |
Aug. 26, 2008 |
| 7415066 |
Mis-matched modulation-demodulation format selectable filters |
Aug. 19, 2008 |
| 7409189 |
Calibration and testing architecture for receivers |
Aug. 5, 2008 |
| 7409196 |
RFIC transmit power control |
Aug. 5, 2008 |
| 7395038 |
High-efficiency modulating RF amplifier |
Jul. 1, 2008 |
| 7392011 |
Method and system for flexibly distributing power in a phased array antenna system |
Jun. 24, 2008 |
| 7389091 |
High-frequency amplification circuit |
Jun. 17, 2008 |
| 7386329 |
Wireless communication apparatus and method of wireless communication |
Jun. 10, 2008 |
| 7383032 |
Cellular phone and method for receiving and transmitting signals of different frequency bands |
Jun. 3, 2008 |
| 7369822 |
Segmented switching power amplifier |
May. 6, 2008 |
| 7363014 |
Transmitting apparatus and radio communication apparatus |
Apr. 22, 2008 |
| 7359678 |
Signal processing semiconductor integrated circuit device and wireless communication system |
Apr. 15, 2008 |
| 7348846 |
Amplifier arrangement |
Mar. 25, 2008 |
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