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Class Information
Number: 330/102
Name: Amplifiers > Signal feedback > Current and voltage feedback
Description: Subject matter including signal feedback proportional to the current flow through the output load which receives the amplified signal, and signal feedback proportional to the voltage across the output load.










Patents under this class:

Patent Number Title Of Patent Date Issued
8410856 Method and apparatus for canceling balun amplifier noise Apr. 2, 2013
8378746 Voltage-mode line driving circuit having adaptive impedance matching Feb. 19, 2013
7804364 Absolute power detector Sep. 28, 2010
7688136 Shared linearity maintenance in power amplifiers Mar. 30, 2010
7557653 Shared linearity maintenance in power amplifiers Jul. 7, 2009
7525376 Power amplifier with output voltage compensation Apr. 28, 2009
7511565 Integrated circuit apparatus and method of compensating a current Mar. 31, 2009
7501860 Differential input driver using current feedback and cross-coupled common base devices Mar. 10, 2009
7486137 System and method for power amplifier output power control Feb. 3, 2009
7369816 Highly accurate temperature sensor employing mixed-signal components May. 6, 2008
7202742 Digital amplification device Apr. 10, 2007
7053705 Mixed-mode (current-voltage) audio amplifier May. 30, 2006
7012466 Voltage-to-current converter Mar. 14, 2006
6975734 Audio apparatus of negative driving with adaptive gain control Dec. 13, 2005
6917245 Absolute power detector Jul. 12, 2005
6756849 Absolute power detector Jun. 29, 2004
6130582 Amplifier circuit including compensation circuitry for canceling variations in an amplifier feedback signal Oct. 10, 2000
5815040 Wide bandwidth, current sharing, MOSFET audio power amplifier with multiple feedback loops Sep. 29, 1998
5761316 Variable and reactive audio power amplifier Jun. 2, 1998
5761317 Tube amplifier fat emulation structure Jun. 2, 1998
5719526 Internal load monitor for amplifier Feb. 17, 1998
5382919 Wideband constant impedance amplifiers Jan. 17, 1995
5245296 Audio amplifier circuit and method of operation Sep. 14, 1993
4897610 Negative-feedback amplifier with accurately defined input or output impedance combined with high or low output or input impedance respectively Jan. 30, 1990
4758798 Output amplifier Jul. 19, 1988
4628275 Efficient power amplifier for high capacitive devices Dec. 9, 1986
4611179 Wide-band type high-frequency amplifier circuit Sep. 9, 1986
4590434 High dynamic range amplifier with low noise and low distortion May. 20, 1986
4414690 Active aerial Nov. 8, 1983
4393353 Negative feedback amplifying circuit having voltage negative feedback and current negative feedback circuits Jul. 12, 1983
4302726 Current sources Nov. 24, 1981
3972002 Dual feedback amplifier Jul. 27, 1976
3938057 Telecommunications signal amplifier Feb. 10, 1976











 
 
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