<p dir="ltr" style="margin-top:0; margin-bottom:0;">IMHO the best SMD transistor for noise is tiny microcontroller in SOT23-6 running LFSR.</p>
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<p dir="ltr" style="margin-top:0; margin-bottom:0;">Roman </p><br><br>---- Użytkownik Mike Beauchamp napisał ----<br><br>I'm noticing my latest batch of MMBT3904 by ONSEMI are barely creating <br><br>any white noise, requiring about 8000x gain to get up to +/- 5V.<br><br><br><br>Previous batches of the MMBT3904 only required about 500x gain to get up <br><br>to +/- 5V. When I was using TH 2N3904, I think the gain required was <br><br>only about 200x.<br><br><br><br>This much gain is also making something on the board (ceramic caps, the <br><br>transistor itself?) pretty microphonic and tapping on the board is now <br><br>audible.<br><br><br><br>Before I order a few dozen samples of different transistors off digikey <br><br>to test, I'm wondering if anybody had any go-to parts for SMT <br><br>transistors that are still noisy?<br><br><br><br>Mike<br><br><br><br>________________________________________________________<br><br>This is the Synth-diy mailing list<br><br>Submit email to: <a href="mailto:Synth-diy@synth-diy.org">Synth-diy@synth-diy.org</a><br><br>View archive at: <a href="https://synth-diy.org/pipermail/synth-diy">https://synth-diy.org/pipermail/synth-diy</a>/<br><br>Check your settings at: <a href="https://synth-diy.org/mailman/listinfo/synth-diy">https://synth-diy.org/mailman/listinfo/synth-diy</a><br><br>Selling or trading? Use <a href="mailto:marketplace@synth-diy.org">marketplace@synth-diy.org</a><br><br>