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Piezoelectric hydrophone low noise amplifier design questions
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Sparker:
Hi again, guys!
I've finally tested the side scan sonar I was making and I'm excited that it worked flawlessly! I wanted to thank you for you valuable help with the design of the analog part. I'm not an analog expert at all and it meant a lot for me.
Here's one of the pictures we've made with the sonar. It's some crack at the floor of one of our arctic seas.  :-+ There were other interesting scans of different radioactive garbage buried there but I don't think I can share them here.
Sparker:

Just came across a (what seems to be) nice series of T/R switches for ultrasound applications from microchip:
https://www.microchipdirect.com/Chart.aspx?branchId=9066
Here's datasheet of one of the devices: http://ww1.microchip.com/downloads/en/DeviceDoc/MD0100-Single-and-Dual-Channel%20High-Voltage-Protection-TR-Switch-Data-Sheet-20005738A.pdf

Sorry to bump that old thread, but let it be there in case someone comes across it while searching for ultrasound rx amp design.
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