No subject

[matti]

How is this better and more efficient than a voltage follower and a
current-limiting resistor?

enjoy


On Sun, 3 Feb 2002, harry wrote:

> Ahhh... you want a voltage to pulse width converter. Its easy. You need
> a
> triangle or sawtooth wave (only one per synth) at a fixed (you choose
> it) frequency... and a comparator for each LED channel. You make it work
> so that increasing voltage equals a longer pulse... then drive all the
> LED from a transistor on the
> comparator output.
>
> Caveat: This is a "switching" power supply. Unless you are careful, all
> these modulated LEDs are going to wreak havoc with your power supply and
> or
> radiate into the audio. It is the best and most efficient way to
> modulate an
> LED intensity.
>
> H^) harry

*snip*

-
you stupid vulgar greedy american death-sucker
some trillions of years ago a sloppy dirty giant flicked grease
from his fingers
one of those gobs of grease is our universe on the way to the floor
*splat*