[sdiy] Multiplexed Expo Converter?

[Aaron Lanterman]

On Jul 31, 2009, at 3:08 PM, Scott Nordlund wrote:

>> 3. AM/RM
>> I don't think AM needs EC.. at all... correct me if I'm wrong,  
>> please.
>
> You could run the two input signals through exponential converters,  
> sum them, then run that through a logarithm...

I think some multiplier circuits (like the Blackmer cell) sort of do  
that, sort of ish. I never fully understood any of them, though, so  
take my statement with a grain of salt.

- Aaron