[sdiy](OT)discrete AF filters (was: SDIY Withdrawal Symptoms)

[The Peasant]

Thank you for all the suggestions so far!

> I would have thought that the caps & resistors would occupy much more
> space than the transistors or chips.

I am using 1/8 watt resistors and tiny ceramic capacitors, and quality is not 
an issue as I am only driving LEDs. I am also using tiny transistors salvaged 
from old VCRs, so all the discrete parts that I'm using are (on average) about 
as small as their smt counterparts. To get an idea what I need go here and 
check out the last item:

<http://www.electronicpeasant.com/projects/ledlamps/ledflash.html>

The case used in this project holds four AAA batteries. I have a similar but 
larger case that holds four AA batteries, it measures about 1 1/2 inches by 1 
1/2 inches. I want to build a three channel led color organ on the face of it, 
using 48 small leds, and discrete circuitry is the only way that I can make it 
all fit within about 1/4 inch depth.

> http://www.qrp.pops.net/filter1.htm

This is a very nice filter page.

Take care,
Doug
______________________
The Electronic Peasant

www.electronicpeasant.com