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.

Varicap Variable Frequency Oscillator (CB4587E)
The great advantage of the circuit shown in the figure is that its frequency is controlled by a...
TTL to MOS Converter (CB5106E)
This circuit can be used as a shield for microcontrollers. The circuit is from American...
Transistorized Oscilloscope (CB11568E)
Mounting an oscilloscope is the dream of many of our Internet users, although it comes up against...