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Class Information
Number: 455/126
Name: Telecommunications > Transmitter > With feedback of modulated output signal
Description: Subject matter including provision to apply a portion of the output signal of the transmitter to the input of a prior stage.

Patents under this class:

Patent Number Title Of Patent Date Issued
8712349 Selecting a converter operating mode of a PA envelope power supply Apr. 29, 2014
8712339 Methods and apparatus for power amplifier calibration Apr. 29, 2014
8706063 PA envelope power supply undershoot compensation Apr. 22, 2014
8706062 Self-adaptive power amplification Apr. 22, 2014
8692702 Analog-digital converter and power saving method thereof Apr. 8, 2014
8687730 Wireless device and communication control program Apr. 1, 2014
8687676 Efficient storing of backoff and crestcomp values Apr. 1, 2014
8687561 Method and system for link adaptation using metric feedback Apr. 1, 2014
8682315 Predistortion system and method based on look up table interpolation Mar. 25, 2014
8670730 Power efficient radio frequency transmitter Mar. 11, 2014
8670710 Filtering a single wire protocol (SWP) current signal to be provided to a near field communications (NFC) device Mar. 11, 2014
8666325 Polar feedback receiver for modulator Mar. 4, 2014
8666323 RFID reader and method for suppressing transmission leakage signal thereof Mar. 4, 2014
8659456 Electronic device and transmitter DC offset calibration method thereof Feb. 25, 2014
8655289 Distortion compensation device, transmitter, and distortion compensation method Feb. 18, 2014
8654828 Mechanism for the measurement of DC properties of a signal path Feb. 18, 2014
8653902 Transmission circuit, communication apparatus, and transmission method Feb. 18, 2014
8649745 Adaptive predistortion for a non-linear subsystem based on a model as a concatenation of a non-linear model followed by a linear model Feb. 11, 2014
8649743 Transmitter linearized using inversing and non-inversing transform processing sections and method therefor Feb. 11, 2014
8644777 System and method for power amplifier over-voltage protection Feb. 4, 2014
8644776 Systems and methods for providing improved power performance in wireless communication systems Feb. 4, 2014
8639199 System and method for high performance coherent peak compression estimation Jan. 28, 2014
8639194 Tunable antenna with a conductive, physical component co-located with the antenna Jan. 28, 2014
8639192 RF feedback receiver arrangement, RF transmit arrangement and RF transceiver arrangement Jan. 28, 2014
8634784 Compact radiofrequency coupler Jan. 21, 2014
8626092 Low variation current multiplier Jan. 7, 2014
8626083 Method and apparatus for tuning a communication device Jan. 7, 2014
8620238 Method of power amplifier switching power control using post power amplifier power detection Dec. 31, 2013
8620236 Techniques for improved adaptive impedance matching Dec. 31, 2013
8620226 Enhanced wideband transceiver Dec. 31, 2013
8618884 High-frequency signal processing device Dec. 31, 2013
8615209 Power control system for transmission chain in a transceiver Dec. 24, 2013
8611845 Enhanced flexibility coupler for RF power detection and control Dec. 17, 2013
8611835 Method and apparatus for sensing the envelope of high level multi frequency band RF signals Dec. 17, 2013
8606200 Error vector magnitude control within a linear transmitter Dec. 10, 2013
8606199 Control of switcher regulated power amplifier modules Dec. 10, 2013
8606198 Directional coupler architecture for radio frequency power amplifier with complex load Dec. 10, 2013
8600322 Method for transmitting a signal below a current transmit power in a network Dec. 3, 2013
8595018 Technique for controlling codec selection along a complex call path Nov. 26, 2013
8594644 Device and method for executing reserved function in mobile communication terminal Nov. 26, 2013
8594583 Apparatus and method for radio frequency reception with temperature and frequency independent gain Nov. 26, 2013
8588711 Transmission apparatus and distortion compensation method Nov. 19, 2013
8588333 RF transmitter and method of operation Nov. 19, 2013
8577313 Systems and methods of RF power transmission, modulation, and amplification, including output stage protection circuitry Nov. 5, 2013
8577312 Power amplifier amplitude modulator system and method Nov. 5, 2013
8576941 Configurable basis-function generation for nonlinear modeling Nov. 5, 2013
8571497 Closed-loop power control in conjunction with adaptive power amplifier linearization Oct. 29, 2013
8571495 Distortion compensation apparatus and method Oct. 29, 2013
8571479 Short-range wireless communication Oct. 29, 2013
8565699 Setting of power amplifier control voltage Oct. 22, 2013

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