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Class Information
Number: 330/197
Name: Amplifiers > Output networks > Transformer coupled > With transformer structure
Description: Subject matter involving the structure of the transformer in the output coupling circuit.










Patents under this class:

Patent Number Title Of Patent Date Issued
8044540 Systems and methods for a SPDT switch or SPMT switch with transformer Oct. 25, 2011
6992543 Mems-tuned high power, high efficiency, wide bandwidth power amplifier Jan. 31, 2006
6653897 Power amplifier apparatus Nov. 25, 2003
5357210 Transconductance amplifier circuit Oct. 18, 1994
5153914 Sound equipment system Oct. 6, 1992
4517522 Switching amplifier May. 14, 1985
4490844 Low frequency transformer Dec. 25, 1984











 
 
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