Skipp...I have been looking online and may have a
perfect solution. I have found some momentary 3 pole
switches that have a built in LED that illuminates
when pushed and extinguishes when pushed again. That
is all I will probably need for this project.
Thanks to all for you help.
Rich
--- skipp025 <[EMAIL PROTECTED]> wrote:
> Hi Rich,
>
> Just thinking along a creative theme... You can buy
> very
> small 3 pole double throw toggle switches. Depending
> on
> your specific requirements you might be able to use
> two
> of the poles to switch audio, the third pole pair to
> supply
> power and or switch power. It's also not hard to
> supply
> switch triggered on/off enable pulses using simple
> resistor
> cap networks on the proper wires.
>
> A rather high dollar (extra hyped in tone lore)
> guitar effect
> pedal I like to use as a preamplifier uses only one
> pole of
> a double throw switch for both sides of the audio,
> The circuit
> input is a very high impedance left connected even
> with the
> circuit output in bypass mode.
>
> Tell us your formal requirements... number of wired
> connections
> and their functions. We might be able to give you
> some interesting
> ideas.
>
> cheers,
> skipp
>
> > Rich Summers <[EMAIL PROTECTED]> wrote:
> >
> > I can't use a toggle switch because the contact to
> > enable the scramble board needs to be momentary to
> > turn on the board and then a momentary contact to
> > switch off the board. This contact will be using
> an
> > enable wire from the board and another wire that
> is a
> > ground. I think a flip flop MAY be the way to go.
> I
> > was also wondering if there is a push button
> switch
> > that has 2 spst contacts?
> > Thanks.
> > --- MCH <[EMAIL PROTECTED]> wrote:
> >
> > > For that matter, why not just a toggle switch?
> > >
> > > Joe M.
> > >
> > > Rich Summers wrote:
> > > > I need to build a simple circuit to enable a
> voice
> > > scrambler in a radio.
> > > > What I need is a momentary contact by pressing
> a
> > > button so that the
> > > > activation lead goes to ground and when this
> > > happens I need an led
> > > > indication that the unit has been activated.
> > > > I also need the led to turn off when the
> button is
> > > pressed again. This
> > > > deactivates the board and the radio returns to
> > > normal mode.
> > > > I need this in a small box.
> > > > Does anyone have a circuit I could build for
> this
> > > particular application?
> > > >
> > > > Thanks,
> > > >
> > > > Rich
> > > >
> > > >
> > > >
> > > > ------------------------------------
>
>
>
