FIELD: measuring engineering.
SUBSTANCE: two-terminal network comprises generator of rectangular pulses, one-ports of the object to be measured and control units, inverting amplifier, analogue adder, and null-indicator. The first output of the generator is connected with the circuit of one-port of the object to be measured and one-port of the controllable units connected in series. The input of the inverting amplifier is connected with the common output of the one-ports. The output of the inverting amplifier is connected with the first input of the analogue adder. The second input of the adder is connected with the first output of the generator of rectangular pulses. The separating capacitor is connected between the output of the analogue adder and first input of the null-indicator.
EFFECT: simplified circuit of the two-terminal.
1 dwg
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