This circuit indicates a digital value through a moving bar. The circuit is TTL and must be powered by 5 V. We find this circuit in a Texas Instruments optoelectronics manual.
This circuit was found in a 90s Popular Electronics. It is possible to analyze the voltages of an...
Found in 80's Electronic Engineering, this circuit can tune the frequency to be rejected. The power...
We found this circuit in a manual from the 80's. The circuit is valid for any operation and the...