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Results tagged with preamp
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user 365082
A preamp takes in very weak DC voltages or audio or RF signals and amplifies them enough to be used by a more conventional amplifier. Input may be in microvolts and output maybe 1 volt RMS or peak. They are often specific to amplify DC, LF/audio, RF or microwave bands. No preamp can cover DC to microwave bands and have good parameters at both DC and RF without software offset and gain correction.
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Trying to record from DIY op-amp results in seldom pops and clicks
Solved by using an Op Amp with EMIRR (EMI Rejection Rate).
I used TL071 and the clicks were almost completely gone.
P.S. OPA1641 didn't help at all, even though its EMIRR should be much higher. Probab …
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Trying to record from DIY op-amp results in seldom pops and clicks
Shouldn't a regular preamp PCB be prone to such things? I mean that Arturia Mini or Zoom H1 don't react at all to the bulb switching... …