ALFA RPAR AS3394E Controllable Synthesizer Voice

ALFA RPAR AS3394E Controllable Synthesizer Voice - synthCube

ALFA RPAR AS3394E Controllable Synthesizer Voice


The AS3394E is a complete analog music synthesizer voice-on-a-chip intended for software control by a microprocessor system. Included inside the compact 24 pin package is fully temperature compensated, wide range, voltage controlled oscillator providing suboscillator, triangle, sawtooth, and pulse waveforms; a voltage controlled mixer for adjusting the balance between the internally generated VCO waveforms and any external signal; a dedicated four-pole low-pass voltage controlled filter with voltage controlled resonance; a modulation amount VCA for modulating the filter frequency by the triangle waveform output of the VCO; and a final VCA for allowing the output to be enveloped. Envelope control for both the VCF and final VCA may be provided by either a hardware envelope generator such as the AS3310 or through software.
Ranging between -4 and +4 volts, all eight control inputs are provided with internal very high input impedance, low bias current buffers. Thus interface to a microprocessor system may be accomplished simply with a single DAC, 4051-type CMOS multiplexer, and 8 hold capacitors.
Requiring a bare minimum of other external components, the AS3394E is ideal for  polyphonic or polytimbric musical instruments featuring rich, analog sound.





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  • Product Code: ICNAS3394EDIP24
  • Availability: 38
  • $10.50
  • Ex Tax: $10.50
  • 5 OR MORE $9.75

Tags: alfa rpar, as3394e, ic, parts controllable, synthesizer, voice, ics, and, semiconductors, icnas3394edip24