This is a wide band shortwave SW antenna amplifier. The frequency band is 1 to 30 MHz and a medium gain of 15 dB.
The input stage is built with MPF102 and the other stages with 2N3904.
The power supply is 9 V and the output impedance is 50 Ω. Below you have the sw amplifier schematic and recommended printed circuit board.
SW antenna amplifier circuit diagram
Shortwave amplifier PCB layout