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Thread: amplifier using hex inverter ??
face picon face BY : Olin Lathrop email (remove spam text)

> > have anybody heard anything about amplifier circuit using hex
> > inverter chip and other discrete ? where can i find more info ?
> > thanks in advance
> You need to use a feedback resistor (from output to input) of a
> meg or two, to get the inverter into its linear region. They can be
> quite sensitive and a bit "twitchy"

It also has to be a CMOS inverter, which is really an amplifier with a gain
somewhat less then -1.  TTL and other logic families won't work.  And of
course don't use a schmidt trigger.

Olin Lathrop, embedded systems consultant in Devens Massachusetts
(978) 772-3129, spamBeGoneolinRemoveMEspam@spam@embedinc.com, http://www.embedinc.com

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