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This company has introduced a new dual wideband piezo-composite frequency transducer for a range of marine applications, including depth sounding, fish finding or guidance, and Doppler speed metering. The new 09222/000 transducer offers wideband dual frequency operation through the same slot.
Compared with conventional designs, which have a single bandwidth of 195 to 205kHz, the new 09222/000 transducer has dual ranges of 55-89 kHz and 150-220 kHz, with a side lobe level of less than -25 dB, compared to -20 dB. The transducer uses piezo-composite technology that reportedly extends bandwidth, suppresses side lobes, improves beam uniformity and increases figure of merit (FOM) operation. The wide bandwidth has a short ring-down time, which can enable the user to distinguish between objects close together within the transducer’s field of view, typically between fish close to the sea bed.
For additional information, visit www.morgantechnicalceramics.com.