| 摘要 |
A switching device, comprising two identical active switching components connected in series and made as an operational amplifier with keying elements in the negative feedback circuit and two identical operational amplifier null bias voltage memory circuits, the inputs of each of said circuits being connected to the outputs of the operational amplifiers and the outputs, to the non-inverting inputs of the operational amplifiers so that the output of the first memory circuit is connected to the non-inverting input of the operational amplifier to whose output is connected the second memory circuit and the output of the second memory circuit is connected to the non-inverting input of the operational amplifier to whose output is connected the first memory circuit.
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