This circuit with the PA7601 was found in a 1967 Philco-Ford documentation. The circuit has a pass band from 45 to 120 MHz.
Found in Electronics Now from the 90s, this circuit can use any general-purpose transistor. The power...
Found in a publication by Gernsback from 1960, this circuit uses germanium transistors of the time...
This amplifier circuit for the 7 MHz band, which corresponds to the 40-meter band of radio...