This circuit was found in an American documentation from 1968. The circuit uses transistors from that time. The output currents are shown in the diagram.
This preamplifier is recommended by Sanyo and is based on its LA3160 integrated circuit. The...
This circuit, which draws numbers from 00 to 99, was found in an Italian magazine from 1974, but...
The circuit is from the 1994 National Semiconductor Linear Applications Handbook. The component used is...