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.
Found in Texas Instruments documentation from the 90's, this circuit can be used as a shield due...
This circuit was found in a 1970s documentation. The integrated circuit used is uncommon today....
Suggested by an American publication of 1964 this circuit is intended for the capture of signals...