Balanced Modulator MC1556G (CB14559E)

We found this circuit in Motorola's Linear Databook in 1990. The semiconductor component used is no longer common today.

Overtone Oscillator (CB24030E)
This oscillator for the fifth overtone of a crystal was found in a Radio Electronics magazine from...
Resistive Sensor Amplifier (CB13098E)
The amplifier shown in the figure is indicated for operation with resistive transducers such as...
One Transistor MW Radio (CB13182E)
This traditional direct amplification MW radio configuration was obtained in an American...