This circuit is powered by a voltage of 4.5 V, being common in radios of the 60's. The circuit is from Mullard's transistors reference manual.
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...