LM3914 Single Powered Voltmeter (CB25456E)

This circuit is an improved version of the previous ones with the LM3914. We found it in the March 1992 issue of Radio Electronics magazine.

| Clique na imagem para ampliar |

Field Strength Meter (CB22025E)
This aperiodic circuit was found in an old English documentation. The transistor can be any JFET...
Micro FM Transmitter (CB18590E)
This FM transmitter circuit was found in a Japanese publication in 1975. Equivalent transistors can be...
Crystal JFET Oscillator (CB22031E)
This circuit can oscillate at frequencies up to a few tens of megahertz depending on the crystal. The...