Found in Motorola's 1967 documentation this circuit can use any general-purpose transistor. The signal should be applied to a good amplifier. The noise diode can be replaced with a common one.
This circuit may be of interest to restorers of old video equipment. We found it in the Radio...
This interesting transistor circuit has several effects and an included amplifier. The circuit is...
This circuit was found in a 1969 EEE. It detects when there is a phase failure in a circuit using...