Sonar: Hydrophone, Underwater Transducer.

BENTHOWAVE INSTRUMENT INC. Acoustic Transducer & System 

Transmit and Receive Switch Module: SONAR & Ultrasound

T/R switch module

A BII2100 Series T/R switch module provides an integrated solution for a wide range of acoustic applications based on Emitting and Listening Timing Techniques. The device works at active mode (Transmitting Sounds) and passive mode (Listening Sounds). It integrates an Impedance Matching, a T/R switch, a bandpass filter, and a low noise DPGA preamplifier (Digitally Programmable Gain Amplifier) or an AGC Amplifier into one compact housing. Gain-selection is accomplished by a two-bit or one-bit digital word (TTL/CMOS level compatible).

T/R Switch Module fs Receiving Gain Range Gain Control Built-in Impedance Matching
BII2100 Series 2kHz to 350kHz or 10MHz. 20, 40, 60, 80dB. Digital, TTL/CMOS. No
BII2110 Series 2kHz to 1MHz. -20 to 80 dB None, AGC No
BII2170 Series 2kHz to 500kHz or 10MHz. 20, 40, 60, 80dB. Digital, TTL/CMOS. Yes
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BII-4000 Active Sonar and Ultrasonic Signals BII-8030 Underwater Acoustic Transmitter 
BII-8080 Underwater Acoustic Transmitter and Receiver  Transducers Broadband, High Power, High Temperature 

T/R Switch Module in SONAR and Ultrasonic System

Transmit and Receive Switch

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