[sdiy] sdiy, real ring modulator schematics

[harry]

Hi Jim:

Juergen Haible is the one with the single 3080 ring modulator on his
web site.

H^) harry

patchell wrote:

>     This is a case of "be careful what you ask for, because you might
> get it" :-)
>
>     I thought I had posted a circuit on my web page that used a CA3280
> to make a balanced modulator.  If I find it, I will post it.
>
>     You can also use an AD633 as a balanced modulator.  On page 10 of
> http://www.silcom.com/~patchell/smb1/smb.pdf
>
>     Over in the right hand corner, you will find a basic AD633 circuit.
> You might want to add offset controls to the inputs to improve carrier
> supression.
>
>     I also thought, at one time TomG had a balanced modulator circuit
> using the MC1496 (I think thats right) balanced modulator chip.
>
>     You can also make one out of a single CA3080, or 1/2 of a CA3280 or
> LM13700 (these would be a little lower performance that the one I was
> thinking of above, but they are simpler to make).  Seems like somebody
> else had this circuit on their web site as well.
>
> Glue Sniff wrote:
>
> >  When I said I was looking for "real ring modulator
> > schematics",I meant one that accepts two inputs and
> > then outputs the sum and difference of the two inputs.
> > from what I understand balanced modulators only accept
> > one input and they use an internal frequency as the
> > second sound source and then output sum and
> > difference. I have read that the sound is essentialy
> > the same. but I wouldnt think this to be true if the
> > two input instruments were different instruments or
> > sounds. having the sum and difference of two inputs is
> > what I am looking for if there is a bananced modulator
> > out there than can do this then thats what I am
> > looking for.
> >
> > Thanks.
> >
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> --
>  -Jim
> ------------------------------------------------
> * Visit:http://www.silcom.com/~patchell/
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> *I'm sure glad Merry Christmas comes just once a year
> * -Yogi Yorgensen
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