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Class Information
Number: 330/148
Name: Amplifiers > Plural signal outputs
Description: Subject matter wherein at least two separate signal output circuits are coupled from the output electrode or element of the signal amplifying device, for coupling to separate load devices.










Patents under this class:

Patent Number Title Of Patent Date Issued
8614600 Switch configuration for default-on N-way active splitters Dec. 24, 2013
8478210 Apparatus and method of digital predistortion for power amplifiers with dynamic nonlinearities Jul. 2, 2013
8374279 Modulation device for a transmission path, method for signal processing in a transmission path, and transmission path having the modulation device Feb. 12, 2013
8189713 Matrix power amplifiers for high speed wireless applications May. 29, 2012
8049559 Semiconductor device, radio frequency circuit, and radio frequency power amplifier Nov. 1, 2011
7940119 Multiple-input and multiple-output amplifier using mutual induction in the feedback network May. 10, 2011
7642849 Multiple-input and multiple-output amplifier Jan. 5, 2010
7463231 Grayscale voltage generating circuit and method Dec. 9, 2008
7403069 Trifferential amplifier and trifferential amplifier system Jul. 22, 2008
7400193 Ultra wide band, differential input/output, high frequency active splitter in an integrated circuit Jul. 15, 2008
7224221 Power amplification apparatus, and mobile communication terminal apparatus May. 29, 2007
7126414 Arrangement and method for controlling an amplifier circuit corresponding to energy uptake in the amplifier circuit Oct. 24, 2006
7113033 Variable impedance load for a variable gain radio frequency amplifier Sep. 26, 2006
6967531 Multi-output amplifier with isolation between outputs Nov. 22, 2005
6054902 High-frequency amplifier Apr. 25, 2000
5945880 Low noise amplifier Aug. 31, 1999
5767756 Active quadrature power splitter Jun. 16, 1998
5699013 Tri-state audio differential driver Dec. 16, 1997
5691670 Integrated microwave-silicon component Nov. 25, 1997
5668494 Circuit and method for driving alternatively electric loads with low impedance Sep. 16, 1997
5586114 Multiplexing instrumentation preamplifier Dec. 17, 1996
5543759 Audio amplification circuits Aug. 6, 1996
5399986 Isolated multi-output power amplifier Mar. 21, 1995
5361038 Active load applications for distributed circuits Nov. 1, 1994
5349303 Electrical charge transfer apparatus Sep. 20, 1994
5304950 Low power, low noise preamplifier with offset voltage cancellation Apr. 19, 1994
5216378 Switch adaptable radio frequency amplifier Jun. 1, 1993
5177449 Radio frequency amplifier circuit Jan. 5, 1993
5166640 Two dimensional distributed amplifier having multiple phase shifted outputs Nov. 24, 1992
5130669 Apparatus for driving a mechanical resonator from a high impedance source Jul. 14, 1992
5077801 Foreground music system using current amplification Dec. 31, 1991
5072199 Broadband N-way active power splitter Dec. 10, 1991
5070305 Device for converting unbalanced analog electric signals into fully differential signals Dec. 3, 1991
5034698 Dual-path wideband and precision data acquisition system Jul. 23, 1991
4775842 Multi-output feedback amplifier Oct. 4, 1988
4683441 Apparatus for establishing the differences between multiple pairs of analog input signals Jul. 28, 1987
4562405 Multiplexed buffer Dec. 31, 1985
4536716 Stereo amplifier circuit for bichannel signals Aug. 20, 1985
4535298 Driver circuit Aug. 13, 1985
4223272 Four-terminal network of adjustable transfer function Sep. 16, 1980
4198607 Input circuit for a measuring amplifier device Apr. 15, 1980
4177432 Multi output differential amplifier Dec. 4, 1979
3983486 Modular CATV system Sep. 28, 1976











 
 
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