Found in 1965 General Electric technical documentation, this half-wave circuit controls shunt type motors of maximum 1 A with voltage up to 400 V.
Found in a 1960 Sylvania manual, this circuit can be implemented with a modern equivalent...
This configuration, already presented in other points of this section and website, is of a...
We found this precise crystal oscillator for the 144 MHz band, depending on the crystal used. The...