This circuit allows the detection of RF signals using the lowest range of direct currents of a common multimeter. Equivalent diodes such as 1N34 can be used. The circuit is assembled in a ballpoint tube.
Found in a Motorola manual from the 1960s, this circuit shows how to use a transistor in a static...
This circuit was found in a Motorola documentation from 1968. The load current is 10 A. The...
With this relaxation oscillator with a neon lamp we can generate small intensity audio signals for...