This circuit was found in a 1966 General Electric documentation. The circuit makes use of PUTs that are uncommon components today. Counting direction depends on the programming in A and B.
This ouput push-pull stage using bipolar transistors was found in a publication of the year 1968....
This circuit is from an 80's documentation, applying to ordinary comparators. The source does not...
We find this circuit measuring from 1 to 1000 mW of power from small transmitters and oscillators in...