This circuit is from Delco Radio found in a 1968’s documentation. The transistors are of the time and are not given information about the driver transformer. Note the high supply voltage.
Suggested by Mullard in a1969 documentation, this circuit generates the erasure signal for tape...
A pulse applied to the input of this circuits results in a damped signal in the output. Frequency...
This circuit can activate a powerful lamp or call system when a telephone call occurs. Suitable for...