FIELD: radio engineering, communication.
SUBSTANCE: apparatus comprises a first electric filter, a second electric filter, a bipolar transistor, a resistor, a first capacitor, a second capacitor, an inductance coil whose second lead is connected to the control signal input.
EFFECT: widening the dynamic range of signals at the output to values many times greater than the maximum allowable base-emitter voltage of modern bipolar transistors.
4 dwg
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