Found in a 1969 neon lamp publication, this circuit provides two voltages under very-low currents. Neon lamps are types of the time.
The purpose of this circuit is to enable testing of transistors using a common multimeter. With the...
Although it is a common configuration today, this circuit was taken from an old publication. The...
With this converter it is possible to receive signals from the 220 MHz band on a 144 MHz receiver....