Jules Ryckebusch
UNITED STATES OF AMERICA • + Follow
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Description
OPAAlice_Piezo_Mini
This is a high impedance buffer that runs off of P48 from a portable professional recorder or microphone pre-amp. It is designed to be embedded with resin along with this transducer to make a hydrophone. The write up is all in this instructable
There is an issue in my BOM, the two 22uF capacitors for the input need to be 35V rated. I am sorting this out and will update. The BOM lists them as 25V. They will work but I want a safety margin. With 48V phantom power they see 21-22V steady state. But there is no buffer. Working on this one
And featured in this video:
Feb 02,2022
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OPAAlice_Piezo_Mini
2 Layers PCB 29 x 26 mm FR-4, 1.6 mm, 1, HASL with lead, Blue Solder Mask, White silkscreen
Mini Phantom Power impedance converter that can be embedded with a Piezo transducer to make a self contained hydrophone.
5412
10
9
Published: Feb 02,2022
BOM(Bill of materials)
Centroid file
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File Last Updated: 2022/12/14 (GMT+8)
File update record
2022-12-1411:26:46
Centroid file is updated.
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More by Jules Ryckebusch
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- Hex Inverter Voltage Multiplier for Condenser Microphones This is a HEX CMOS inverter based voltage multiplier. It is used for condenser microphone biasing. I...
- Dual OPA "Alice" Microphone Circuit This is the PCB for a dual operational amplifier circuit that will mount in a BM-800 body and interf...
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