We find this circuit in the 80's own component manual itself. The characteristics of the circuit are determined by RA and C. The circuit is like a double 555. The numbers in parentheses correspond to the second channel.
![](/images/stories/cir/225012502023_154750_0001.gif)
We find this circuit in the 80's own component manual itself. The characteristics of the circuit are determined by RA and C. The circuit is like a double 555. The numbers in parentheses correspond to the second channel.