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Class Information
Number: 330/172
Name: Amplifiers > Interstage coupling > Coupling from cathode
Description: Subject matter wherein the signal output is coupled form the cathode electrode of the preceding vacuum tube amplifier device of the two cascaded amplifying devices, to the input of the following amplifier device.

Sub-classes under this class:

Class Number Class Name Patents
330/173 D.c. coupling 2

Patents under this class:

Patent Number Title Of Patent Date Issued
8315290 UWB multi-burst transmit driver for averaging receivers Nov. 20, 2012
8160118 UWB dual burst transmit driver Apr. 17, 2012
5680074 Tube amplifier having specific configuration with four tubes Oct. 21, 1997

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