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.
Several circuits similar to this one can be found on our website. This is from an internet...
With the values of the components indicated, the circuit generates a 1 kHz signal. The power...
We found this circuit in a 1998 publication. The circuit has controls for both frequency and...