Using the LM3909 this circuit was found in the January 1992 issue of Radio Electronics magazine. Resistor R1 should be chosen according to the table given next to the diagram.
The circuit we show is part of an article that taught its complete assembly. The article is from...
This TTL trigger circuit with the 7400 can be used as a signal conditioner in an input shield for...
This circuit can supply output voltages from 50 to 250 V from an input voltage of 300 V. The...