A line of chips from Curtis ElectroMusic Specialities. Used in sound generation applications, especially analog synthesizers.

CEM 3310  Voltage Controlled Envelope Generator
CEM 3312  Voltage Controlled Envelope Generator
CEM 3320  Voltage Controlled Filter
CEM 3328  4-Pole Low-Pass VCF
CEM 3330/ Dual Voltage Controlled Amplifier
CEM 3335
CEM 3340/  Voltage Controlled Oscillator
CEM 3345
CEM 3350  Dual VC State Variable Filter
CEM 3360  Dual VCA
CEM 3365  Dual DAC Multiplier
CEM 3371  uP Controlled Waveform Generator
CEM 3372  uP Controlled Signal Processor
CEM 3374  Dual VCO
CEM 3378/ Voltage Controlled Signal Processor
CEM 3379
CEM 3381/ Dual VCA (the 3381 and 3382 are now called PD 381 & PD 382)
CEM 3382  
CEM 3387  Low Noise Voltage Controlled Signal Processor
CEM 3389  Voltage Controlled Signal Processor
CEM 3391  uP Controlled Dynamic Signal Processor
CEM 3394  uP Controlled Synthesizer Voice
CEM 3396  uP Controlled Waveshaper / Filter
CEM 5508  Octal Sample/Hold (now called PD 508)
CEM 5510  Fast Octal Sample/Hold
CEM 5530  30-channel Sample/Hold

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