This circuit of the 70's uses transistors of the time. The circuit can amplify signals from 10 Hz to 100 kHz and modern equivalent components can be used. The circuit is from Ferranti.
This circuit uses the LT6106 from Linear Technology, from where we took it from a 2005 manual....
January 2017 - Texas Instruments is making available through Mouser Electronics the new Buck...
This circuit was found in an old manual of linear integrated circuits of the 80's. Equivalent...