Alfa Rpar - AS3320D - Voltage Controlled Filter

Product information "Alfa Rpar - AS3320D - Voltage Controlled Filter"
The AS3320 is a high performance voltage controlled four-pole filter with on-chip voltage controllable resonance IC. The four independent sections may be interconnected to provide a wide variety of filter responses, such as low pass, high pass, band pass and all pass. A single input exponentially controls the frequency over greater than a ten octave range with little control voltage feedthrough. Another input controls the resonance in a modified linear manner from zero to low distortion oscillation. For those demanding applications, provision has been made to allow trimming for improved control voltage rejection. Each filter section features a variable gain cell which is fully temperature compensated, exhibits a better signal-to-noise ratio and generates its low distortion predominantly in the second harmonic. The device includes a minus two volt regulator to ensure low power dissipation and consequent low warm-up drift.

Features:
• voltage controllable frequency - 12 octave range
• voltage controllable resonance - from zero to
• oscillation
• accurate exponential frequency scale
• accurate linear resonance scale
• low control voltage feedthrough -45dB typical
• filter configurable into LPF, HPF, all pass, etc.
• low noise: -86dB typical
• low distortion in passband - 0.1% typical
• low warm up drift
• configurable into low distortion voltage controlled
• sine wave oscillator
• bandwidth till 800kHz

Applications:
• for electronic music
Basic Function: VCF
IC Package: SOIC-18 (SMT)
Pin Count: 18
Pin Pitch [mm]: 1,27
Technology: SMT

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