This three-transistor amplifier uses a JFET at the input to increase the input impedance. The circuit was found in an old magazine and the original bipolar transistors are germanium types. The FET can be the MPF102 or BF245.
This three-transistor amplifier uses a JFET at the input to increase the input impedance. The circuit was found in an old magazine and the original bipolar transistors are germanium types. The FET can be the MPF102 or BF245.
