A LFO using the ICL8038 for its nasty
doing at low frequencies - different times at up & down of the
Frequence range from 0,6 to 6 Hz (fast) and 0,06 to 0,6 Hz at slow. Level
sets the output level. Waveforms are sine and triangular.
Output voltage max.: 10Vss (15V), 8 Vss (12V)