FIELD: multichannel input for analog switching device with a single output intended to prevent an undesirable output signal in the output stage. SUBSTANCE: the device has input stage 1 with N inputs (1N1-1Nn), differential amplifier unit 2, load 3, two selective switching units 4 and 7. logical controller 5, gang bias resistor 6, output stage 8. EFFECT: improved design. 5 cl, 5 dwg
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