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Class Information
Number: 330/207A
Name: Amplifiers > Miscellaneous > Class d
Description:










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8710922 Method and apparatus for filter-less class D audio amplifier EMI reduction Apr. 29, 2014
8686789 Transient signal suppression for a class-D audio amplifier arrangement Apr. 1, 2014
8674762 RF power amplifier with spectrally grouped nanosized switches Mar. 18, 2014
8674763 Multi-autonomous electronic amplifier Mar. 18, 2014
8669809 Differential output inductor for class D amplifier Mar. 11, 2014
8659351 Electronic circuit for driving a switching amplifier Feb. 25, 2014
8643436 Multi-level boosted Class D amplifier Feb. 4, 2014
8638169 Power supply method and apparatus Jan. 28, 2014
8633763 Output circuits with class D amplifier Jan. 21, 2014
8633768 Amplifying device Jan. 21, 2014
8618875 Using a new synchronization scheme for a multi-channel class-D amplifier Dec. 31, 2013
8618881 Class-D power amplifier Dec. 31, 2013
8610501 Class resonant-H electrosurgical generators Dec. 17, 2013
8593220 Power MOSFETs with improved efficiency for multi-channel class D audio amplifiers and packaging therefor Nov. 26, 2013
8576003 Cascaded class D amplifier with improved linearity Nov. 5, 2013
8570101 Variable duty cycle generation for out-phasing and PWM power amplifiers Oct. 29, 2013
8558609 Amplification systems and methods with noise reductions Oct. 15, 2013
8558617 Multilevel class-D amplifier Oct. 15, 2013
8558618 Versatile audio power amplifier Oct. 15, 2013
8553909 Low-power class D amplifier using multistate analog feedback loops Oct. 8, 2013
8525593 Circuit and method for amplifying a digital signal Sep. 3, 2013
8519791 Free-fly class D power amplifier Aug. 27, 2013
8508298 Amplifier using master-slave control scheme Aug. 13, 2013
8502601 Integrated circuit Aug. 6, 2013
8502602 Class-D amplifier circuit Aug. 6, 2013
8497734 High efficiency audio amplifier system Jul. 30, 2013
8493145 Switching power amplifier for quantized signals Jul. 23, 2013
8493146 Amplifier using fast discharging reference Jul. 23, 2013
8482350 Low RF interference switching amplifier and method Jul. 9, 2013
8472643 Power amplifier and method for restraining power of improved power amplifier Jun. 25, 2013
8446221 Electronic circuit with a linear amplifier assisted by a switch-mode amplifier May. 21, 2013
8447050 Thermal feedback for switch mode amplification May. 21, 2013
8441316 Switching supply circuits and methods May. 14, 2013
8441317 Tapered-impedance distributed switching power amplifier May. 14, 2013
8427235 Power-MOSFETs with improved efficiency for multi-channel class-D audio amplifiers and packaging thereof Apr. 23, 2013
8421535 Method and apparatus for reducing distortion in Class D amplifier Apr. 16, 2013
8416956 Protected digital audio driver Apr. 9, 2013
8410855 Method and apparatus for controlling power supply of audio amplifier Apr. 2, 2013
8384478 Versatile audio power amplifier Feb. 26, 2013
8378745 Current sensing Feb. 19, 2013
8373504 Class D power amplifier Feb. 12, 2013
8362833 Amplifier circuitry, integrated circuit and communication unit Jan. 29, 2013
8362832 Half-bridge three-level PWM amplifier and audio processing apparatus including the same Jan. 29, 2013
8344801 Variable class characteristic amplifier Jan. 1, 2013
8330538 Self-oscillating audio amplifier and method for restraining the improved self-oscillating audio amplifier Dec. 11, 2012
8330541 Multilevel class-D amplifier Dec. 11, 2012
8330542 Power amplifier Dec. 11, 2012
8314657 D-class amplifier Nov. 20, 2012
8310305 Tapered-impedance distributed switching power amplifiers Nov. 13, 2012
8299866 Method and device including signal processing for pulse width modulation Oct. 30, 2012

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