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Class Information
Number: 330/117
Name: Amplifiers > With unbalanced-to-balanced coupling
Description: Subject matter including in the signal path a circuit electrically unbalanced to ground, or a convenient electrical reference potential plane, from a single source of electrical signal and having at some subsequent location of the signal path, with or without one or more intervening amplifying devices, a balanced circuit wherein at least two of the conductors have at any instant electrical signal flowing therethrough substantially equal and opposite in sign with reference to ground or some other convenient reference plane.










Patents under this class:

Patent Number Title Of Patent Date Issued
8680927 System and method for effectively implementing a front end for a transimpedance amplifier Mar. 25, 2014
8229367 Low noise amplifier with combined input matching, balun, and transmit/receive switch Jul. 24, 2012
8183932 Method and system for processing signals via an integrated low noise amplifier having configurable input signaling mode May. 22, 2012
8154347 Audio processing circuit and preamplifier circuit Apr. 10, 2012
7948322 Balun amplifier May. 24, 2011
7884673 Wideband low-noise amplifier Feb. 8, 2011
7834703 Amplifier with single-ended input and differential output Nov. 16, 2010
7812675 Receiver comprising an amplifier Oct. 12, 2010
7692493 High-efficiency single to differential amplifier Apr. 6, 2010
7671685 Method and system for a low power fully differential noise cancelling low noise amplifier Mar. 2, 2010
7378911 Wideband ultra low noise amplifier May. 27, 2008
7269391 Tunable transceiver front end Sep. 11, 2007
6873210 Single-ended-to-differential converter with common-mode voltage control Mar. 29, 2005
6813486 RF circuit Nov. 2, 2004
6727756 Single-ended-to-differential converter with common-mode voltage control Apr. 27, 2004
6696902 Circuit for interfacing a balanced radio frequency power amplifier with an unbalanced load Feb. 24, 2004
5177449 Radio frequency amplifier circuit Jan. 5, 1993
4453130 Switched-capacitor stage with differential output Jun. 5, 1984
4281282 High positive and negative voltages programmed by a low voltage returned to common Jul. 28, 1981











 
 
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