[sdiy] Passive Ring Modulator/Transformer Question

Ken Stone sasami at hotkey.net.au
Tue Nov 2 07:49:05 CET 2004


I should add that you only need center taps on one coil per transformer, and
if I understand your diagram, your audio transformers have this tap.

http://www.cgs.synth.net/modules/cgsrr.html

Ken

>I'm sure everybody here already knows about the passive ring modulator that 
>is 2 transformers, and 4 diodes .... But I'm looking for a resource for the 
>transformers .... they're 1:1 ratio impedance transformers that are 
>center-tapped ...
>
>I havn't had much luck finding them, and was wondering if I could use two 
>audio isolation transformers wired in parallel instead.... I'll give ya an 
>ascii diagram to give you a hint
>
>Normal Transformer:
>---)(---
>   )(
>---)(---
>   )(
>---)(---
>
>Two Audio Isolation Transformers: (+ sign indicates the connection)
>----)(---
>    )(---
>|---)(---|
>+        +
>|---)(---|
>    )(
>----)(---
>
>
>Any Input would be Greatly Appreciated
>
>~kirch
>www.joelkirchartz.com
>
>_________________________________________________________________
>Don't just search. Find. Check out the new MSN Search! 
>http://search.msn.click-url.com/go/onm00200636ave/direct/01/
>
>
_______________________________________________________________________
Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>




More information about the Synth-diy mailing list