50 MHz band converter. Scheme, description

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50 MHz band converter. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / radio reception

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A very simple 50 MHz converter circuit designed by F6HCC is proposed.

The schematic diagram is shown in Fig.1. Its basis is the UL1042 chip (analogues - S042P, 174PS1).

50 MHz Band Converter
Ris.1

PCB Drawing and Parts Location are shown in Fig.2 and 3, respectively,

and the design of the input and output circuits - in Fig.4. The coils are wound on polystyrene frames with a diameter of 8 mm with ferrite tuning cores and contain: L1, L2, L5 - 3 turns, L3 - 9 turns, L4 - 15 turns of wire with a diameter of 0,2 ... 0,3 mm, type PEL or PEV.

50 MHz Band Converter
Fig. 4

Author: F6HCC; Publication: N. Bolshakov, rf.atnn.ru

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