[sdiy] Multiplier vs VCA?

[synthplayer88 at spymac.com]

Hi guys,
I was wondering if anyone could help me out to clear my confusion on using a VCA
as a multiplier?

I was under the assumption that a VCA ultilize a voltage to control the output
amplitude eg.AM, whereas a multiplier ultilize a voltage to change the frequency
eg.FM. Which leads to my question which is how can you use a multiplier to as a VCA?

I know I must be missing something some where, thanks in advance.

BTW, has anyone done a meta list of VCA chips and multiplier chips?

Would love to know what's currently available out there to compare the functions
and the sounds?

Do they have actaully a "sound" of their own?

regards,
Scott


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