JK 4037 Flip Flop with Reset (CB25121E)

We found this circuit in the April 1988 issue of Radio Electronics magazine. The circuit can be reset electronically.

Indicator Light 555 (CB13608E)
When the input of this circuit goes to high level, the LEDs start to flash alternately. The...
Oscillator with CUJT (CB20620E)
This 50 kHz oscillator makes use of a CTUJ, complementary unijunction transistor. The circuit is...
Full-wave field strength meter (CB4115E)
This circuit has more sensitivity than the previous one (CB4114E) for using a full-wave detector...