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    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 circuit schematic

    Shortwave amplifier PCB layout

    sw antenna amp pcb

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