The circuit is from the 1977 National Semiconductor Audio Handbook. The bass and treble control is Baxandall type. The integrated circuit used is not common today.
We found this circuit in an old publication on oscilloscopes. Its purpose is to observe the Ie /...
This circuit was obtained in an American publication of 1989, but the components are current. The...
April 2017 - Mouser Electronics already has the MAX4007 from Maxim Integrated in its inventory, an...