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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 |
| 7433658 |
System and method for controlling true output power of a transmitter |
Oct. 7, 2008 |
| 7430403 |
Method and apparatus for hysteresis control |
Sep. 30, 2008 |
| 7430405 |
Radio communication terminal and gain control circuit for the same |
Sep. 30, 2008 |
| 7430430 |
Adjusting a signal at a diversity system |
Sep. 30, 2008 |
| 7421255 |
Transmission apparatus and mobile communication terminal apparatus |
Sep. 2, 2008 |
| 7421254 |
High linearity, high efficiency power amplifier with DSP assisted linearity optimization |
Sep. 2, 2008 |
| 7418244 |
Radio transmitter with accurate power control |
Aug. 26, 2008 |
| 7415254 |
Power control circuit, semiconductor device and transceiver circuit using the same |
Aug. 19, 2008 |
| 7412213 |
Envelope limiting for polar modulators |
Aug. 12, 2008 |
| 7412216 |
Radio transmitter |
Aug. 12, 2008 |
| 7409195 |
Wireless modem |
Aug. 5, 2008 |
| 7408898 |
Flexible network wireless transceiver and flexible network telemetry transceiver |
Aug. 5, 2008 |
| 7406300 |
Extending wireless communication RF coverage inside building |
Jul. 29, 2008 |
| 7400866 |
Methods and apparatus for calibrating and controlling output power levels in a broadband communication system |
Jul. 15, 2008 |
| 7400864 |
Method and apparatus for compensating for phase variations caused by activation of an amplifier |
Jul. 15, 2008 |
| 7398063 |
System and method for detecting Radio Frequency signals over a range of powers |
Jul. 8, 2008 |
| 7398066 |
Communication system control using reliability data |
Jul. 8, 2008 |
| 7395039 |
Transmitter |
Jul. 1, 2008 |
| 7386280 |
Gain insensitive high-pass VGA |
Jun. 10, 2008 |
| 7386287 |
Method for controlling the gain of radio-frequency signal |
Jun. 10, 2008 |
| 7386285 |
Automatic gain control adaptive for plural modulation schemes |
Jun. 10, 2008 |
| 7379716 |
Embedded IC test circuits and methods |
May. 27, 2008 |
| 7373168 |
Power controlled fading communication channel system |
May. 13, 2008 |
| 7373162 |
Methods of controlling transmission power levels in air interface channels |
May. 13, 2008 |
| 7373118 |
Method and system for facilitating transmission of analog signals to a wireless terminal |
May. 13, 2008 |
| 7369816 |
Highly accurate temperature sensor employing mixed-signal components |
May. 6, 2008 |
| 7366481 |
Apparatus for radio telecommunication system and method of building up output power |
Apr. 29, 2008 |
| 7366482 |
Transmission device, transmission output control method, and radio communications device |
Apr. 29, 2008 |
| 7366484 |
Systems and methods for adjusting the bias level of a mixer in a transmitter |
Apr. 29, 2008 |
| 7359685 |
Transmitting stage |
Apr. 15, 2008 |
| 7358803 |
Broadband high efficiency traveling wave tube amplifier system |
Apr. 15, 2008 |
| 7356110 |
Gain control method for a receiver of signals transmitted in bursts and receiver exploiting it |
Apr. 8, 2008 |
| 7353007 |
Digital transmission circuit and method providing selectable power consumption via multiple weighted drive slices |
Apr. 1, 2008 |
| 7353040 |
Closed-loop power controlled radio communication system |
Apr. 1, 2008 |
| 7349678 |
Circuit arrangement for transmitting and receiving radio signals simultaneously |
Mar. 25, 2008 |
| 7349677 |
Hardware efficient RF transceiver I/Q imbalance compensation based upon taylor approximation |
Mar. 25, 2008 |
| 7349709 |
Rate dependent transmission gain control for WLAN systems |
Mar. 25, 2008 |
| 7340235 |
System for limiting current in an output stage of a power amplifier |
Mar. 4, 2008 |
| 7340229 |
High frequency amplification circuit and mobile communication terminal using the same |
Mar. 4, 2008 |
| 7340223 |
Constant gain digital predistortion controller for linearization of non-linear amplifiers |
Mar. 4, 2008 |
| 7336935 |
Dynamic power control circuit of wireless communication device |
Feb. 26, 2008 |
| 7333781 |
Power correction loop for a power amplifier |
Feb. 19, 2008 |
| 7333782 |
Automatic gain controller for achieving high signal-to-noise ratio and low power loss, and a transmitting apparatus and method for use with a mobile communication terminal having the automatic |
Feb. 19, 2008 |
| 7333784 |
Method and apparatus for compensating code channel power in a transmitter |
Feb. 19, 2008 |
| 7324799 |
Multiband mixer |
Jan. 29, 2008 |
| 7324787 |
Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system |
Jan. 29, 2008 |
| 7321752 |
Linear amplification arrangement with non-linear amplifier element for a mobile radio device |
Jan. 22, 2008 |
| 7321753 |
Wireless transmission circuit enabling modulation of radio frequency power amplification |
Jan. 22, 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 |
| 7295815 |
Constant gain digital predistortion controller for linearization of non-linear amplifiers |
Nov. 13, 2007 |
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