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Class Information
Number: 455/127.2
Name: Telecommunications > Transmitter > Power control, power supply, or bias voltage supply > Gain control
Description: Subject matter including detail of controlling the gain of an active element (such as power amplifier) of the transmitter.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7613232 |
Method for automatic control of RF output level of a repeater |
Nov. 3, 2009 |
| 7593701 |
Low noise CMOS transmitter circuit with high range of gain |
Sep. 22, 2009 |
| 7593702 |
Open-loop RF transmitter output power control for increased power efficiency |
Sep. 22, 2009 |
| 7593703 |
Frequency switch for multiband power amplifier applications and multiband/multistandard power amplifier module |
Sep. 22, 2009 |
| 7590395 |
Power management scheme for software-defined radios |
Sep. 15, 2009 |
| 7586376 |
Pre-power amplifier of load, switch array, and impedance compensation |
Sep. 8, 2009 |
| 7583941 |
Apparatus and method to adjust and filter current DAC signals |
Sep. 1, 2009 |
| 7580687 |
System-in-package wireless communication device comprising prepackaged power amplifier |
Aug. 25, 2009 |
| 7580722 |
Control of a power amplifier for reducing power consumption in a transceiver |
Aug. 25, 2009 |
| 7577408 |
Method for predistortion of a signal, and a transmitting device having digital predistortion, in particular for mobile radio |
Aug. 18, 2009 |
| 7570931 |
RF transmitter with variably biased RF power amplifier and method therefor |
Aug. 4, 2009 |
| 7570932 |
Dual mode quadrature radio frequency power amplifier |
Aug. 4, 2009 |
| 7567788 |
Transmitter and receiver gain calibration by means of feedback in a transceiver |
Jul. 28, 2009 |
| 7561858 |
Wireless communication terminal |
Jul. 14, 2009 |
| 7558539 |
Power control feedback loop for adjusting a magnitude of an output signal |
Jul. 7, 2009 |
| 7558540 |
Method and apparatus for regulating the transmitted power in multi-rate wireless communication systems |
Jul. 7, 2009 |
| 7558541 |
Amplifier gain and phase stabilizer |
Jul. 7, 2009 |
| 7558542 |
System and method for providing a transmitter for polar modulation and power amplifier linearization |
Jul. 7, 2009 |
| 7555275 |
Systems, methods and devices for dual closed loop modulation controller for nonlinear RF amplifier |
Jun. 30, 2009 |
| 7555272 |
Transmission arrangement for transmitting data continuously in the time domain |
Jun. 30, 2009 |
| 7555270 |
Wide dynamic range power detection in a communication system |
Jun. 30, 2009 |
| 7555268 |
RF transmitter having multiple constant transmit power levels |
Jun. 30, 2009 |
| 7551688 |
Waveforms for envelope tracking transmitter |
Jun. 23, 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 |
| 7541864 |
Power amplifier and pulse-width modulated amplifier |
Jun. 2, 2009 |
| 7542741 |
System and method for power mapping to compensate for power amplifier gain control variations |
Jun. 2, 2009 |
| 7539468 |
Communication terminal device and amplification circuit |
May. 26, 2009 |
| 7539509 |
Small signal threshold and proportional gain distributed digital communications |
May. 26, 2009 |
| 7536157 |
Selecting modulation and amplification in a transmitter |
May. 19, 2009 |
| 7532671 |
Gain control method and apparatus |
May. 12, 2009 |
| 7529316 |
Transmitter |
May. 5, 2009 |
| 7529523 |
N-th order curve fit for power calibration in a mobile terminal |
May. 5, 2009 |
| 7526260 |
Apparatus, methods and articles of manufacture for linear signal modification |
Apr. 28, 2009 |
| 7526247 |
System and method for setting the reverse link gain of repeaters in wireless communications systems |
Apr. 28, 2009 |
| 7522892 |
Power amplifier with serial interface and associated methods |
Apr. 21, 2009 |
| 7512387 |
Method and control system for controlling the output power of an RF amplifier system |
Mar. 31, 2009 |
| 7502601 |
Power amplifier with digital power control and associated methods |
Mar. 10, 2009 |
| 7502817 |
Method and apparatus for partitioning memory in a telecommunication device |
Mar. 10, 2009 |
| 7502600 |
Dynamic bias for RF power amplifiers |
Mar. 10, 2009 |
| 7493136 |
Apparatus and method for controlling reverse TX power in a mobile terminal |
Feb. 17, 2009 |
| 7493093 |
Switchable power level detector for multi-mode communication device |
Feb. 17, 2009 |
| 7489910 |
Wireless transmitter and amplifier |
Feb. 10, 2009 |
| 7486936 |
Over-current protection in linear regulators |
Feb. 3, 2009 |
| 7480498 |
Receiver gain control using a pilot signal |
Jan. 20, 2009 |
| 7480516 |
Method and apparatus of forward link and reverse link power control in a cellular wireless communication system |
Jan. 20, 2009 |
| 7477887 |
Tag reader maintaining sensitivity with adjustable tag interrogation power level |
Jan. 13, 2009 |
| 7471935 |
Automatic level control |
Dec. 30, 2008 |
| 7463869 |
Low noise high isolation transmit buffer gain control mechanism |
Dec. 9, 2008 |
| 7463876 |
Communication semiconductor integrated circuit, communication electronic component and wireless communication system |
Dec. 9, 2008 |
| 7460841 |
Circuit arrangement and method for compensating for abrupt signal level changes in amplification devices |
Dec. 2, 2008 |
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