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Voltage controlled filter (VCF)
AS3109 - Voltage controlled filter (VCF)
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AS3109 is a high performance voltage controlled four-pole filter. 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 15 octave range with little control voltage feedthrough. AS3109 benefits from high input impedance buffers.
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FEATURES
- voltage controllable range – till 15 octave
- accurate exponential frequency scale
- high input impedance buffers
- wide transconductance range
- low input offset voltage
- low control voltage feedthrough - 45 dB typical
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