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 didactic circuit from a 1977 Radio Shack documentation shows how to use the 741 as a...
This circuit from the 80's can be easily implemented but needs some changes to avoid problems with...
Found in a 1967 General Electric documentation, this circuit generates a ladder signal from...