Frequency Doubler MC1595L (CB14589E)

We found this circuit in Motorola's Linear Databook in 1990. The component used is not common today.

Clapp Oscillator (CB25647E)
In the figure we have a classic Clapp oscillator configuration for a frequency of a few tens of...
Simple Oscillator (CB21674E)
This circuit takes advantage of the inductance of the phone in the resonant circuit. The circuit is...
78xx power supply with increased voltage (CB21684E)
In the figure we have the way to increase the voltage of a 78xx by adding a zener diode. The...