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Class Information
Number: 330/94
Name: Amplifiers > Signal feedback > Cathode impedance feedback > Frequency responsive means in cathode impedance feedback path
Description: Subject matter including in the "cathode impedance to ground signal feedback path" or in shunt therewith circuit means which acts on the signal feedback to affect some frequency component of the signal feedback differently from the other frequency components of the signal feedback, for example, a tuned circuit or filter circuit which eliminates a frequency component, or an equalizer which emphasizes or de-emphasizes the signal feedback amplitude of some frequency or frequency range of the signal feedback with respect to others.

Patents under this class:

Patent Number Title Of Patent Date Issued
7863978 RF amplifier system for neutralizing internal capacitance in a cavity Jan. 4, 2011
5859565 Cathode-follower high-fidelity power amplifier Jan. 12, 1999
4107725 Compound field effect transistor Aug. 15, 1978
3980965 Frequency response control circuit apparatus Sep. 14, 1976

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