[sdiy] THAT 2155 on sale
David G Dixon
dixon at mail.ubc.ca
Sun Apr 19 23:39:50 CEST 2020
They didn't work. I only use LF444 for one thing: sample and hold circuits.
I replaced them with TL064 and all was well.
From: Synth-diy [mailto:synth-diy-bounces at synth-diy.org] On Behalf Of
Sent: Sunday, April 19, 2020 1:24 PM
To: synth-diy at synth-diy.org
Subject: Re: [sdiy] THAT 2155 on sale
On Sun, Apr 19, 2020 at 12:29:24PM -0700, David G Dixon wrote:
> I guess I've been lucky -- I've done tons and tons of DIY for 12 years,
> the only "fake" chips I ever bought were a bad batch of LF444 quad opamps.
How did you know they were bad?
Were they quiet, with lots of gain and acceptable slew rate?
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