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VCO modulated by LFO

Top trace: VCO (voltage-controlled oscillator) output. Bottom trace: 8.2Hz modulation signal from phase-shift oscillator. This version has a 1.0μF coupling capacitor between LFO and VCO, and exhibits a little bit of high-frequency oscillation.

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Uploaded on March 12, 2013
Taken on March 11, 2013