Improvement in wideband signal processing techniques has necessitated the development of new types of underwater transducers that can transmit wideband frequency signals. This paper describes the development of such a wideband underwater transducer using 1-3 piezocomposite material. This transducer has been designed to operate at 300 kHz with over 150 kHz of 6dB bandwidth. The results of acoustic tests on various transducer configurations are presented. These results show that the proposed type of wideband transmitting transducer can produce the high bandwidth and high transmitting levels required.
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