We found this circuit in a 1973 documentation. The null adjustment trimpot is 10k. The circuit can be powered by symmetrical sources from 9 V. The diodes on the bridge can be 1N4148.
This TTL trigger circuit with the 7400 can be used as a signal conditioner in an input shield for...
In the figure we have a interfacing circuit of TTL logic as CMOS logic using a 6N139 optical...
The SCA is a signal superimposed on the FM signals that make it possible to eliminate...