The integrated circuit used in this circuit is from the time of publication. The circuit is from a Radio Electronics from October 1987. The triac must be equipped with a heat sink.
This low-pass filter with 741 op and symmetrical source was found in the August 1993 issue of...
The duty cycle of a Schmitt Oscillator can be programmed by R1 and R2 in this circuit. The...
This circuit is used to test capacitors with a working voltage above 150 V, detecting shorts or...