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.
This circuit retriggers when a new pulse arrives. It does this by discharging the capacitor. The...
This circuit was published in the December 1987 Radio Electronics magazine. It uses two 555s to...
This voltage regulator was obtained in the SGS manual of linear integrated circuits of 1982. The...