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Multiplying Voltages?

Lightning

Oct 12, 2013
45
Joined
Oct 12, 2013
Messages
45
Hello,

I am trying to design a circuit that will multiply two voltages together like a voltage controlled amplifier but I am not sure how to go about doing this, any help would be appreciated?

Thank you.
 

Laplace

Apr 4, 2010
1,252
Joined
Apr 4, 2010
Messages
1,252
Is your intent to design a circuit around a core multiplier chip such as the MPY534, or try to duplicate the circuitry within multiplier chip itself?
 

Lightning

Oct 12, 2013
45
Joined
Oct 12, 2013
Messages
45
I would like to understand how the circuitry works rather than relying on an IC it gives me much more flexibility to change any parameters. :)
 

KrisBlueNZ

Sadly passed away in 2015
Nov 28, 2011
8,393
Joined
Nov 28, 2011
Messages
8,393
As usual, describe your application.

As usual, Google is your friend.
 

Lightning

Oct 12, 2013
45
Joined
Oct 12, 2013
Messages
45
Well I am designing an amplitude modulator for an AM transmitter, so I need to multiply the voltages of two sine waves together.
 
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