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Class Information
Number: 330/90
Name: Amplifiers > Signal feedback > Cathode impedance feedback > Combined with diverse-type feedback coupling
Description: Subject matter combined with a type of signal feedback as defined in subclass 75, which is diverse from the type of feedback defined in subclass 87.

Sub-classes under this class:

Class Number Class Name Patents
330/91 Diverse feedback to or from cathode 0
330/93 Including positive feedback 0

Patents under this class:

Patent Number Title Of Patent Date Issued
6972620 Post amplifier array integrated circuit Dec. 6, 2005

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