[sdiy] Is this a comparator?

[neil.johnson97 at ntlworld.com]

Derek Holzer <derek at umatic.nl>

> There's a function I want ...
> 
> What is this function called? A comparator? A gate?

Try "rectifier".

        1N4148
Vin ------|>|----+------Vout (e.g. op-amp input)
                 |
Vref --/\/\/\----+
         10k

Neil

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