Multi-channel video switch using dual-gate MOS-FETS

Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry

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Details

307243, 307304, H04N 522, H03K 1756, H03K 3353

Patent

active

041457196

ABSTRACT:
A high-speed, solid-state, electronic circuit for alternately coupling two separate video signal paths to a third video signal path in response to high frequency square wave excitation, the circuit utilizing two dual-gate metal oxide semiconductor field effect transistors having oppositely phased signals applied to respective switching gates for cancellation of switching transient signals.

REFERENCES:
patent: 3736377 (1973-05-01), Warren, Jr. et al.
"JCs End the `Drive Gap` in FET Analog Signal Switching", Electron Design 26, Nov. 22, 1966, pp. 50-54.

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