[sdiy] dual "VCA" chip

[Seb Francis]

Maybe a bit risky to use such an old device for new designs?

There are much better spec'ed modern alternatives available, such as...
http://www.thatcorp.com/2162_Dual_Blackmer_IC_Voltage-Controlled_Amplifier.html

Seb


rdrake wrote:
> from the latest Electronic Goldmine flyer; could be a simple VCA solution, but would need some tweaks to work at synth levels:
>
> The UPC1406HA is a silicon monolithic integrated circuit in a 9–Lead SIP package designed for sound control applications.
>
> Features:
> Two separate attenuators
> The characteristic control curve is linear against logarithmic output
> Channel Separation: 64dB MIN
> Typical Application: Sound MPX attenuator for TV, Radio and mobile receiver
>
> Datasheet Available
>
> http://www.goldmine-elec-products.com/prodinfo.asp?number=A20202
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