50MHz-Transverter 10m/6m from DK7ZB

This transverter was built in 1994, a discription in three parts (german language) for DOWNLOAD as PDF-files. Circuit, printed-boards and layouts in the files!

The English translation is made by DL5DBM, Anwar, the owner of this homepage.

 

GERMAN VERSION

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Diese Seite als PDF, Lesen Teil 1, Lesen Teil 2, Lesen Teil 3

 Verdrahtung der Baugruppen

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ENGLISH VERSION

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This page as a PDF-Feil, Read Part 1, Read Part 2, Read Part 3

unit interconnections

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PCB-DOWNLOAD

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RX-Converter

RF-amplifier with FET BF256C, Mixer with MOSFET BF961

Oscillator

Crystal 22MHz, one stage

TX-Mixer

Push-pull 2x BF256C, amplifier BF961, driver 2N4427, output 300mW

Linear-PA

300mW input, max. 6W output

Transistor 2SC1306

Left filter for 50MHz

Drive-Attenuator

Input level can be reduced from 5W at 28MHz to a level of about 100mV/50Ohm for the TX-mixer.

The used TRX is a FT-890.

Return to homebrew page

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