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Oscillator for electronic musical instruments

2016-08-16 16:58  
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Oscillator for electronic musical instruments
The circuit comprises two RC circuits, the value can determine the oscillation frequency. The output rectangular wave voltage is approximately 7.5V. It uses metallized polycarbonate film capacitor to guarantee that the frequency deviation is less than 0.5% in the temperature range of 10 ~ 40 ℃. The R values of 12 oscillators in an octave process are selecting as below.