Not that I want to push the discussion in the resonator direction, but SSM2164 is a general-purpose “make something voltage controllable” chip, it’s a blank canvas, it doesn’t do “SSM2164 things”. If I were to make a voltage-controlled PS3100 resonator, the v2164 is the first chip I’d go to :) Or it would happen the other way round: what can I make with the 2164 that hasn’t already been made by intellijel :D? Oh! A PS3100 resonator!
Cool Audio AKA Behringer V2164 clone of analog devices SSM2164, low cost voltage controlled amplifier
The V2164 contains four independent voltage controlled amplifiers (VCAs) in a single package. High performance (100 dB dynamic range, 0.02% THD) is provided at a very low-cost-per-VCA, resulting in excellent value for cost sensitive gain control applications. Each VCA offers current input and output for maximum design flexibility, and a ground referenced -33 mV/dB control port. The V2164 is available for many applications such as Automatic Volume Controls, Audio Mixers, Compressor / Limiters / Compandors, Noise Reduction Systems, Automatic Gain Controls, Voltage Controlled Filters, and Effects Processors.
This is the basic application circuit of V2164M/D.，Each of the four channels is configured identically.
A 30 k Ω resistor converts the input voltage to an input current for the VCA. Additionally, a 500 Ω
resistor in series with a 560 pF capacitor must be added from each input to ground to ensure stable
operation. The output current pin should be maintained at a virtual ground using an external amplifier
THAT Alternatives to the Analog Devices SSM2164
Analog Devices has discontinued their SSM2164 quad VCA. Our THAT 2162 dual VCA is comparable in many respects.
http://www.thatcorp.com/THAT_Alternatives_to_SSM2164.shtml
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