This factory circuit appears elsewhere on this site. This is from a 1975 National technical documentation.
This circuit can be used with crystals from 100 kHz to 30 MHz and the resonant circuit must be...
This circuit is suggested by Motorola and allows to obtain a much higher voltage for switching a power...
This power source can supply currents in the range of 100 mA to 1 A, depending on the transformer and the...