The Signal Input is where you would put whatever you want to turn into a pulse wave into.
The Threshold control sets the "flip" point of the comparator, and has a range of approximately negative five volts to positive five volts. think of it as a pulse width control.
The Threshold input is summed with the manual control and allows for external modulation of the threshold point. Think of it as a pulse width modulation input.
There are five outputs with 10 volt peak-to-peak signal to play nice with other audio modules. The SH-101 suboctave had a dc offset which made its bass frequencies weaker than they could have been.
The first output is the direct output of the comparator. In pulse width terms, this is 0% to 100%.
The second output is a 50 percent duty cycle wave one octave lower than the main output.
The third output is a variable output, from 1% to 49% duty cycle, one octave lower than the main output.
The fourth output is a 50 percent duty cycle wave two octaves lower than the main output.
The fifth output is a 25 percent duty cycle wave two octaves lower than the main output.
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