We found this circuit in a 1957 Raytheon transistor publication. The circuit can be assembled with more modern transistors with minor changes. The handset must be high impedance magnetic.
This amplifier for the 10 m (30 MHz) band has a gain of 12 to 15 dB having been found in an...
We have already explored this configuration in several of our projects. It is equivalent to a...
This circuit was found in an American transistor book from the 50's. The indicated transistors are germanium...