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Class Information
Number: 330/162
Name: Amplifiers > Interstage coupling > Output coupling from grid
Description: Subject matter wherein the coupling between the two cascaded amplifying devices is from a grid, such as the screen grid, suppressor grid or control grid, or from between such a grid and an anode of the preceding amplifier device (of the vacuum tube type) of the two cascaded devices.

Sub-classes under this class:

Class Number Class Name Patents
330/163 D.c. coupling 1

Patents under this class:

Patent Number Title Of Patent Date Issued
7053710 Vacuum tube amplifier having grid as output and plate as input May. 30, 2006
4276513 Auto-zero amplifier circuit with wide dynamic range Jun. 30, 1981

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