[sdiy] Improving LED response when driven from half-wave rectifier

[Justin Owen]

-----Original Message-----
From: Neil Johnson [neil.johnson97 at ntlworld.com]

Justin Owen <juzowen at gmail.com> wrote:
>> How would I get the LEDs to illuminate down closer to 0V PP? At 0V PP they should obviously be dimmed because there is no signal - but I'd like them to display a better small signal response.

>You can do a very nice LED driver with an op-amp and a resistor.

Ah - putting it in the feedback loop? The same way you would with a Vactrol? Yes - I'll take a look at that.

Thanks.