Ralf's Piezo-Amp: Difference between revisions
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=== Schematic === | === Schematic === | ||
[[File:Piezo_pre_workshop_circuit.jpeg|400px]] | [[File:Piezo_pre_workshop_circuit.jpeg|400px]][[File:Ralf Piezo-Amp schematic reworked.jpg|400px]] | ||
=== Extra Puffer for Batterie and DC-Power supplier === | === Extra Puffer for Batterie and DC-Power supplier === | ||
Revision as of 14:36, 19 August 2024
Preparing the Piezo-disc with cable and plug
coming soom...
Ralf's Single Channel
Our good friend Ralf (http://www.ralfschreiber.com/) has shown us his nice new workshop module for making a single channel piezo pre-amp during HOME MADE 2020.
Some discussion on how to use a linear pot that reacts logarithmically by adding / chaning one of the resistors?
Boards
Schematic
Extra Puffer for Batterie and DC-Power supplier
> bei batteriebetrieb noch 100uF-470uF elko als puffer,
> bei netzteilbetrieb mindesten ein rc glied R10/220uf dazu!
Other Op-Amps for lower supply Voltages
MCP6002, MCP602, TLC272, LMV358, TLV9002
dusjagr's case
SMD 3-Channel Version with Hammond case
coming soon...
Working on github: https://github.com/sgmk/3Channel-PiezoAmp
More about Piezo Amps
https://sound-au.com/project202.htm