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Class Information
Number: 375/297
Name: Pulse or digital communications > Transmitters > Antinoise or distortion (includes predistortion) > Power amplifier
Description: Subject matter including an amplifier which is used for the modulation process in the transmitter.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7420416 |
Tunable predistorter |
Sep. 2, 2008 |
| 7421037 |
Reconfigurable transmitter with direct digital to RF modulator |
Sep. 2, 2008 |
| 7418058 |
Distortion compensating apparatus and method |
Aug. 26, 2008 |
| 7415254 |
Power control circuit, semiconductor device and transceiver circuit using the same |
Aug. 19, 2008 |
| 7415066 |
Mis-matched modulation-demodulation format selectable filters |
Aug. 19, 2008 |
| 7415250 |
Distortion compensating amplifier |
Aug. 19, 2008 |
| 7409010 |
Method and system for transmitting signals with reduced spurious emissions |
Aug. 5, 2008 |
| 7405680 |
Distortion compensator |
Jul. 29, 2008 |
| 7403573 |
Uncorrelated adaptive predistorter |
Jul. 22, 2008 |
| 7400691 |
Power control on a packet-by-packet basis in a CMOS transceiver |
Jul. 15, 2008 |
| 7400690 |
Adaptive phase controller, method of controlling a phase and transmitter employing the same |
Jul. 15, 2008 |
| 7400864 |
Method and apparatus for compensating for phase variations caused by activation of an amplifier |
Jul. 15, 2008 |
| 7395039 |
Transmitter |
Jul. 1, 2008 |
| 7395038 |
High-efficiency modulating RF amplifier |
Jul. 1, 2008 |
| 7391822 |
Method and apparatus for estimating a sample delay between a transmission signal and a feedback signal in a mobile communication system, and a base station transmitter using the same |
Jun. 24, 2008 |
| 7392020 |
Table reference type predistorter |
Jun. 24, 2008 |
| 7388929 |
Method and apparatus for providing service availability information in a wireless communication system |
Jun. 17, 2008 |
| 7386060 |
Method of reducing a peak-to-average power ratio |
Jun. 10, 2008 |
| 7382835 |
Power booster using peak suppression and pre-distortion for terminal radios |
Jun. 3, 2008 |
| 7383028 |
Timing adjustment method for wireless communication apparatus |
Jun. 3, 2008 |
| 7379715 |
Transmitter apparatus and method using polar modulation with signal timing adjustment |
May. 27, 2008 |
| 7376205 |
Device and method for compensation of transmission line distortion |
May. 20, 2008 |
| 7376180 |
Adaptive receivers for bit rate agile (BRA) and modulation demodulation (modem) format selectable (MFS) signals |
May. 20, 2008 |
| 7373118 |
Method and system for facilitating transmission of analog signals to a wireless terminal |
May. 13, 2008 |
| 7369580 |
Amplitude limiting circuit and CDMA communication apparatus |
May. 6, 2008 |
| 7369820 |
System and method for DC offset correction in transmit baseband |
May. 6, 2008 |
| 7366482 |
Transmission device, transmission output control method, and radio communications device |
Apr. 29, 2008 |
| 7362821 |
Method and apparatus for amplifier linearization using adaptive predistortion |
Apr. 22, 2008 |
| 7362820 |
Apparatus and method for modulating and digitally predistorting a signal in a multiple modulation schemes |
Apr. 22, 2008 |
| 7362818 |
Amplitude and phase comparator for microwave power amplifier |
Apr. 22, 2008 |
| 7362819 |
Device and method for reducing peaks of a composite signal |
Apr. 22, 2008 |
| 7359453 |
System and method for transitioning between modulation formats in adjacent bursts triggering on ramps |
Apr. 15, 2008 |
| 7359680 |
Delay calibration in polar modulation transmitters |
Apr. 15, 2008 |
| 7359424 |
Spread spectrum communication system and method therefor |
Apr. 15, 2008 |
| 7356102 |
Gain compensation over temperature and frequency variations in wireless transceivers |
Apr. 8, 2008 |
| 7348844 |
Adaptive digital pre-distortion system |
Mar. 25, 2008 |
| 7349465 |
Line interface system |
Mar. 25, 2008 |
| 7342978 |
Method and apparatus for PAPR reduction of an OFDM signal |
Mar. 11, 2008 |
| 7340223 |
Constant gain digital predistortion controller for linearization of non-linear amplifiers |
Mar. 4, 2008 |
| 7340004 |
Method and arrangement for limiting signal in radio transmitter |
Mar. 4, 2008 |
| 7340007 |
Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal |
Mar. 4, 2008 |
| 7333562 |
Nonlinear distortion compensating circuit |
Feb. 19, 2008 |
| 7333561 |
Postdistortion amplifier with predistorted postdistortion |
Feb. 19, 2008 |
| 7333563 |
Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios |
Feb. 19, 2008 |
| 7333564 |
High frequency power amplifier circuit |
Feb. 19, 2008 |
| 7330704 |
Electrical signal pre-conditioning |
Feb. 12, 2008 |
| 7330518 |
Distortion compensation circuit, and a transmission apparatus including the same |
Feb. 12, 2008 |
| 7330517 |
Amplifier linearization using non-linear predistortion |
Feb. 12, 2008 |
| 7330073 |
Arbitrary waveform predistortion table generation |
Feb. 12, 2008 |
| 7321635 |
Linearization of amplifiers using baseband detection and non-baseband pre-distortion |
Jan. 22, 2008 |
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