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VOLTAGE_CONTROLLED_FILTER

2017-02-11 11:39  
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VOLTAGE_CONTROLLED_FILTER
Used in elaborate sound synthesizer developed for generating wide variety of sounds. Serves as bandpass filter for which resonant frequency is Iinearly proportional to sum of input control voltages and a bias voltage. Can also be used as notch filter or as spectrum analyzer. Three-part articledescribes operation in detail and gives all other circuits of synthesizer. Supply voltages are 15 V.with polarity as indicated.-T. 0rr and D W. Thomas. Electronic sound Synthesizer、Wireless World. Part 2--Sept 1973.p 429-434(Part 1-Aug 1973.p366-372; Part 3-Oct.1973.p 485-490)