[sdiy] passive ring modulator transformers

[Rick Jansen]

In that case the old mc1494 is a candidate too. Elektor's ring modulator is built with it.

http://www.onsemi.com/pub_link/Collateral/MC1494-D.PDF

Rick

> On 17 Jan 2016, at 14:14, Gordonjcp <gordonjcp at gjcp.net> wrote:
> 
>> On Sat, Jan 16, 2016 at 05:26:11PM -0500, alfred.pear at gmail.com wrote:
>> hello SDIYers,
>> 
>> i'm currently trying to figure out how to get reasonably affordable
>> transformers for a passive ring modulator.
> 
> Why not just make a proper four-quadrant multiplier out of a couple of opamps and an LM13700?
> 
> -- 
> Gordonjcp MM0YEQ
> 
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