Linear switch with high off-state isolation

Details Linear switch with high off-state isolation Linear switch with high off-state isolation

1989-04-25

1990-12-18

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

328154, 307243, H03F 345, H03K 1700

Patent

active

049789244

ABSTRACT:
A linear switch with high off-state isolation in provided for use in video waveform monitors and/or graphic encoders and mixers. The linear switch provides a proportional mix of two signal sources in response to a control voltage for fading and keying from one source to another in order to allow complete elimination of either source from the output (high isolation when a source is fully off) which can be achieved with minimal circuitry.

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