A dual low noise VCA from Curtis ElectroMusic Specialities. Nowadays called PA 381 / PA 382 and manufactured by OnChip Systems.

Product Highlights:
from the original data sheet

  • two high performance VCAs on a single miniDIP
  • low cost
  • extremely low noise: > 100dB S/N ratio
  • low distortion: <0.3% THD
  • low feedthrough: <0.3% of full scale output
  • easy to use

    from the original data sheet

  • voltage controlled stereo levels
  • programmable mixers
  • high performance AGC, companders and limiters
  • voltage programmable filters and oscillators

    Synthesizers using the chip:
    with the amount used

    Sequential Circuits Prophet VS   8
  • Log in or register to write something here or to contact authors.