[sdiy] Passive Ring Modulator

[Steve Begin]

I'm working on contract with PWGSC at Place Du Portage Phase III in hull,
but I live in Ottawa too.  Small world?

Steve Begin



-----Original Message-----
From: Peter Snow [mailto:psnow at magma.ca]
Sent: Friday, July 12, 2002 12:46 PM
To: Steve Begin
Subject: Re: [sdiy] Passive Ring Modulator


Hi Steve,

Sorry I haven't built a passive ring mod, but...
I am located in Ottawa working at Industry Canada - where are you?

Cheers,

Peter Snow


Steve Begin wrote:
> 
> Hi, I'm new to the list, not new to analog (am I gonna get in trouble if I
> spell it like that?)
>  gear, but fairly inexperienced when it comes to circuitry.
> 
> I've got a question, has anybody had any experience with a passive ring
> modulator design like this one?
> http://www.sonicstate.com/synthfool/ringmod.html
> 
> I'm interested in it since it looks very easy to make and cheap and if it
> doesn't work as well as other designs it doesn't bother me that much.
> However,  I guess the stancor a-4713 driver transformers are no longer in
> production and I can't seem to find anything information on them at all,
let
> alone a reference to a part I could use as a substitute.
> I'd really appreciate it if somebody could give me any direction at all
> here.
> 
> The other thing I was wondering about (and I'm sure it's probably
painfully
> obvious to a lot of you) was half or full normalled patch bays.  When you
> split a signal doesn't it affect the impedance or something along those
> lines?  I thought it would be a bad thing to do but I haven't seen anybody
> mention any problems with that.
> How about combining signals without a mixer?  I'm almost positive you get
> problems doing that.
> 
> Thanks!
> 
> > Steve Begin
> >
> >
> >