FIELD: electricity.
SUBSTANCE: invention relates to electronic switches and can be used in hydroacoustic systems for switching reception-transmission modes by connecting electroacoustic transducers to the output of a transmitter and to the input of a receiver. Receive-transmit switch additionally comprises a second electroacoustic transducer. One electroacoustic transducer serves for emission, the other one for reception. Switchboard is equipped with an electronic switch configured to select one of three operating modes: emission, reception or pause. When emitting, the first electroacoustic transducer is connected to the transmitter, and the second to the zero bus. In receiving mode, the receiver is connected to the second electroacoustic transducer, and the first to the zero bus. In pause mode both electroacoustic transducers are connected to zero bus for grounding.
EFFECT: improved security of hydroacoustic equipment by preventing re-radiation – "dial-up" arising under the influence of an external acoustic signal.
1 cl, 1 dwg
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