This circuit was found in the 1969 RCA thyristor manual. The circuit has a limiter (clipping) with two 12 V zener diodes in opposition to cut power grid pulses that may influence the trigger.
This small 3 transistor transmitter was found in an English publication from 1963. The coils must...
We found this circuit in a 1980s Motorola documentation. The circuit makes use of common operating...
This Power supply sources from 500 to 1,000 mA according the transformar and was found in a...