Ralf's Piezo-Amp: Difference between revisions
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=== Extra Puffer for Batterie and DC-Power supplie === | === Extra Puffer for Batterie and DC-Power supplie === | ||
> | > bei batteriebetrieb noch 100uF-470uF elko als puffer, | ||
> | |||
> bei netzteilbetrieb mindesten ein rc glied R10/220uf dazu! | |||
=== dusjagr's case === | === dusjagr's case === | ||
Revision as of 12:42, 5 October 2020
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 supplie
> bei batteriebetrieb noch 100uF-470uF elko als puffer,
> bei netzteilbetrieb mindesten ein rc glied R10/220uf dazu!
dusjagr's case
SMD 3-Channel Version with Hammond case
coming soon...