Using LM-324 because I have them here and they work extremely well in
the application.
---- Original Message ----
From: "peter bunge" <bunge....@gmail.com>
Sent: 4/1/2021 10:25:42 AM
To: neonixie-l@googlegroups.com
Subject: X-IMail-SPAM-Connection Re: [neonixie-l] LM-324 op amp
Why are you using a 324 Op Amp? Older OpAmps are asking for problems
with instability and common mode input range as well as output swing limits.
I suggest you look at something like the TLV2371 series that is
available as single, dual, and quad. Inputs and outputs are rail to rail.
Yes, connect as unity gain buffer. You don't want extra
resistors.
If you want retro design and a challenge use a uA702 and good
luck with getting it stable.
On Thu, Apr 1, 2021 at 10:06 AM David Forbes
<nixiebu...@gmail.com> wrote:
Bill,
That's not a good idea. It is likely to
oscillate. See my other reply.
On Thu, Apr 1, 2021, 6:37 AM
Bill van Dijk <theoldpha...@gmail.com> wrote:
Ty the unused inputs to ground
with a 10K resistor, float the unused outputs.
Bill
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