This circuit was found in Radio Electronics magazine from October 1964. The circuit uses two transistors of the time that require a supply voltage of 9 V. Consumption is 2.5 mA.
This circuit was found in an ancient American documentation. The transformer is the type used in...
This circuit generates two pulses per cycle of alternating voltage for full wave control. The...
To increase the control capacity of the CA3140, an amplifier circuit can be used, as shown in the...