> GR21 Voltage Controled Filter
> GR11 Voltage Controlled Oscillator
> CATCH STV S/V trigger to V/S trigger converter
> CATCH ADSR-A Envelope Generator
> CATCH VCF-A Voltage Controlled Filter
> CATCH SMP Signal Multiply Passive
> CATCH VCO-A Voltage Controlled Oscilator
> CATCH LFO-B Low Frequency Oscillator