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Class Information
Number: 330/189
Name: Amplifiers > Input networks > Transformer coupled > With additional impedance connected to "p" or "s" circuits
Description: Subject matter wherein additional impedance which may be capacitive, inductive, or resistive is included in either the primary or secondary winding circuit of the input coupling transformer.

Patents under this class:

Patent Number Title Of Patent Date Issued
5617059 Power amplifier, and associated method, for a microwave repeater station Apr. 1, 1997
5528630 Coupler for communication systems which utilize more than one frequency band Jun. 18, 1996
4967163 Combined limiting/AGC IF system Oct. 30, 1990
4649548 Local computer network transceiver Mar. 10, 1987
4535298 Driver circuit Aug. 13, 1985
4471316 Electric oscillation generator Sep. 11, 1984
4360784 Transformer coupled isolation amplifier Nov. 23, 1982
4320354 Fail-safe band-pass circuit Mar. 16, 1982

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