The above circuit doesn't seem to work for me, despite trying different capacitor values, and different input voltages. Does the circuit appear to indeed be an inverter circuit where the output goes low when the momentary switch contact is closed? The capacitor value of 0.01 uF is indeed 10 nF, and to be sure, my multimeter verified the value was 10 nF. Is the 100 volt rating of the capacitor an issue in this circuit, and in the schematic, it is drawn with one curved line. I though that was just the old way of drawing a capacitor, or is there some other significance I might be missing? The two 1-Meg resistors are a pretty normal item, so the only other item that can be an issue is the capacitor! Any other suggestions would be appreciated; it should be simple enough!
A simple momentary switch closure will trigger the strobe, but there is about a 30 milisecond delay. To get to a zero delay, this model 1531 must trigger on the switch opening! Newer models work on a switch closing, but this doesn't help me at the moment.
When I put the multimeter on the output, and then close the momentary switch, I don't get a voltage drop on the output.
I have found another circuit to try that uses transistors for a NOT gate (inverter), but it seems that the above circuit should work...
Michael