This circuit with 10 MHz and 1.25 MHz TTL outputs was found in an American documentation from the 1980s. The used integrated circuit is uncommon today.
The reference voltage for this circuit can be selected digitally. The circuit is from Radio...
This basic circuit for a germanium transistor at the time was taken from a Mullard Manual from...
Found in the July 1993 Electronics Now magazine, this circuit provides an output voltage whose...