Found in the September 1992 issue of Radio Electronics magazine. This circuit generates pulses that are determined by C3. The circuit has output pulse intensity and timing adjusted by R6.
March 2017 - The new ERB-RD, ERB-RE and ERB-RG fuses from Panasonic's Micro Chip Fuses can now be...
Constant currents from 10 mA to 1 A can supply the load, depending on the selection made by S1. Q1...
The optocoupler in the figure uses common transistors and a phototransistor to drive a sensitive relay...