best way to cut power with an stompswitch

[handwire]

Hi, i'm working on a TB loop with relays, and i need to cut the power +9v (to desactivate the relay), but there's this annoying POP everytime i stomp, there's a solution??, i already have some pulldown resistors and different switches, thanks.

[John Lyons]

Try a diode across the Coil. Sometimes a cap across as well. There is an initial DC spike that needs to be slowed down.
It may be a matter of a pulldown resistor as well. Put a 1Meg reisistor to ground at the switch points. Not the common point but the other two.

John

[handwire]

thanks, any ideas to how slow down the DC spike?? thanks in advance

[fixr1984]

This was a fix for LED pop but maybe you could take part of this idea and make it work
http://www.muzique.com/lab/led.htm

[John Lyons]

The Cap will slow down the spike. Can't remember the value...  try .1uf
You may have two problems. DC voltage from the coil, causing a pop (the cap should cure this)
The other problem may be that there is DC on the blocking caps you may be switching between, in which case the 1 meg resistor to ground will drain the caps when they are not being used, then when you switch them they will have no DC and therefore no pop.

It would probably help to see what you are working on in order to diagnose the problem.
There are a TON of threads about this so maybe you could search for it as well.

John