This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent transistors may be used. The gain is 20 dB.
This configuration has already been given in several articles and circuits on this website and...
This circuit is from a Harris Semiconductor datasheet from the 80s. However the circuit can be...
We found this logic level tester in a 1976 documentation. The circuit is powered by the voltage of the...