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.

Missing Pulse Detector (CB13046E)
The circuit shown in the figure is quite interesting in control and alarm applications. This...
3-phase oscillator (CB21596E)
Based on 74HC digital circuits, this circuit generates signals in three phases. The frequency...
BFO for SSB (CB7518E)
This double-beat oscillator was found in American documentation from the 1970s. FETs admit...