Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 330/271
Name: Amplifiers > With semiconductor amplifying device (e.g., transistor) > Including push-pull amplifier > Having signal feedback means
Description: Subject matter wherein a portion of the electrical signal output energy is applied to the input of the amplifier.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8478210 Apparatus and method of digital predistortion for power amplifiers with dynamic nonlinearities Jul. 2, 2013
8311241 Microphone circuit Nov. 13, 2012
8228054 Method and apparatus for amplifying a signal and test device using same Jul. 24, 2012
8212619 Split-biased current scalable buffer Jul. 3, 2012
8139792 Amplifier circuits, methods of starting and stopping amplifier circuits Mar. 20, 2012
8030993 Gain control circuit and method of gain control Oct. 4, 2011
7932713 Method and apparatus for amplifying a signal and test device using same Apr. 26, 2011
7928721 Method and apparatus for amplifying a signal and test device using same Apr. 19, 2011
7884672 Operational amplifier and method for amplifying a signal with shared compensation components Feb. 8, 2011
7710199 Method and apparatus for stabilizing RF power amplifiers May. 4, 2010
7298211 Power amplifying apparatus Nov. 20, 2007
7242250 Power amplifier Jul. 10, 2007
6925106 Predistortion type distortion compensation apparatus Aug. 2, 2005
6838940 High frequency power amplifier circuit Jan. 4, 2005
6828857 High gain, high bandwidth CMOS transimpedance amplifier Dec. 7, 2004
6753726 Apparatus and method for an offset-correcting sense amplifier Jun. 22, 2004
6737924 Differential, double feedback CMOS transimpedance amplifier with noise tolerance May. 18, 2004
6630866 High beta output stage for high speed operational amplifier Oct. 7, 2003
6630865 Push-pull amplifiers Oct. 7, 2003
6603352 Switched-mode power amplifier integrally performing power combining Aug. 5, 2003
6603347 Amplifier having controllable input impedance Aug. 5, 2003
6600371 Low noise amplifier Jul. 29, 2003
6593811 Nonlinear feedback linearizer Jul. 15, 2003
6593813 Negative feed-back amplifier and method for negative feed-back Jul. 15, 2003
6501252 Power supply circuit Dec. 31, 2002
6144256 Wide bandwidth, current sharing, Mosfet audio power amplifier with multiple feedback loops Nov. 7, 2000
6137273 Circuit for supplying a high precision current to an external element Oct. 24, 2000
6011438 Push-pull wideband semiconductor amplifier Jan. 4, 2000
5977571 Low loss connecting arrangement for photodiodes Nov. 2, 1999
5973564 Operational amplifier push-pull output stage with low quiescent current Oct. 26, 1999
5781072 Dual push-pull amplifier circuit and method Jul. 14, 1998
5770974 Thermal compensation circuit affecting amplifier gain Jun. 23, 1998
5742205 Field effect transistor cable television line amplifier Apr. 21, 1998
5734287 Control of distortion in a line-powered amplifier with a rail-to-rail output voltage swing Mar. 31, 1998
5708393 High voltage operational amplifier output stage Jan. 13, 1998
5387878 Amplification circuit Feb. 7, 1995
5376900 Push-pull output stage for amplifier in integrated circuit form Dec. 27, 1994
5202646 Output stage for amplifiers Apr. 13, 1993
4940949 High efficiency high isolation amplifier Jul. 10, 1990
4918400 Amplifier circuit Apr. 17, 1990
4764735 Push-pull transformer feed-back amplifier Aug. 16, 1988
4731589 Constant current load and level shifter circuitry Mar. 15, 1988
4723111 Amplifier arrangement Feb. 2, 1988
4706038 Wideband linear Darlington cascode amplifier Nov. 10, 1987
4647866 Audio amplifier output stage Mar. 3, 1987
4583529 High efficiency high frequency power oscillator Apr. 22, 1986
4538116 Output stage for an operational amplifier Aug. 27, 1985
4481480 Feedback amplifier having a voltage-controlled compensation circuit Nov. 6, 1984
4467288 Distortion-free complemented error feedback amplifier and method Aug. 21, 1984
4415865 Circuit arrangement for controlling the quiescent current in a class AB amplifier stage Nov. 15, 1983

1 2










 
 
  Recently Added Patents
SONOS stack with split nitride memory layer
Group greeting card
System and method for employing signoff-quality timing analysis information concurrently in multiple scenarios to reduce dynamic power in an electronic circuit and an apparatus incorporating t
Permutational memory cells
Control service for relational data management
Wearable display device
Systems and methods for implementing multi-application tabs and tab sets
  Randomly Featured Patents
Hydridosiloxanes as precursors to ceramic products
Garbage bag hanger
Method for etching having a controlled distribution of process results
Coating a ball with two-part polyester polyol-catalyst/polyisocyanate system
Method for determining the molecular weight of a substance contained in a solution
Circuit for use with a feedback arrangement
Optical transmission connector and electronic apparatus
Process and apparatus for treating drinking water
Two way messaging system with non-real time voice compression and decompression
Preparing substituted acetonaphthones