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Class Information
Number: 330/55
Name: Amplifiers > With distributed parameter-type coupling means > Push-pull
Description: Subject matter including at least one push-pull stage of amplification.

Patents under this class:

Patent Number Title Of Patent Date Issued
8476980 High frequency power amplifier Jul. 2, 2013
8446228 Oscillator circuit May. 21, 2013
8022776 Origami cascaded topology for analog and mixed-signal applications Sep. 20, 2011
7804357 Distributed amplifier Sep. 28, 2010
7321752 Linear amplification arrangement with non-linear amplifier element for a mobile radio device Jan. 22, 2008
6424219 Operational amplifier Jul. 23, 2002
6265937 Push-pull amplifier with dual coplanar transmission line Jul. 24, 2001
5793516 Optical modulator circuit Aug. 11, 1998
5614863 Method and system for increasing the power efficiency of a balanced amplifier/antenna combination Mar. 25, 1997
5339043 Wave propagation signal transmission device and applications of the device to the amplification of such signals Aug. 16, 1994
5218714 CATV repeating amplifier circuitry Jun. 8, 1993
5130664 One GHZ CATV repeater station Jul. 14, 1992
5053719 Wide-band push-pull amplifier Oct. 1, 1991
5017886 RF power combiner using baluns May. 21, 1991
4994755 Active balun Feb. 19, 1991
4857869 High frequency push-pull transformer Aug. 15, 1989
4619001 Tuning systems on dielectric substrates Oct. 21, 1986
4559476 Radio-frequency amplifier Dec. 17, 1985
4282492 Modular multiple channel signal processor Aug. 4, 1981

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