Down-converter for
DRM signals reception. To be used with popular HF receivers. The HF
receiver’s IF out is connected with the down-converter and the output
of down-converter is connected with the P.C. sound card. Thanks to a
freeware software voice, texts and data are made available on the P.C.
The board is compatible with DReaM software available in Internet (the
software is not included with the board).
Features and technical specifications:
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• Power supply : (12 ÷ 32) V DC Jack (5.4 X 2.1)
mm
• 10,7 MHz IF input : BNC socket ( plus through out
BNC)
• 12 kHz Output : 3.5 mm socket
• Two down
conversions : 10.7 MHz / 455 KHz / 12 kHz
• 15 kHz BW - 10.7
MHz input crystal filter
•
1° L.O. with 10.245 MHz crystal
• 1° Mixer with TUF-2SM
DBM
• 10 kHz BW - 455 kHz ceramic filter
• 2 ° L.O.
with 3° overtone 18.680 MHz crystal / 40
• 2° MOSFET switching
Mixer with diplexer filter
• 12 kHz variable output
level
• FR4 PCB with
shielding.
Complete kit available or only
PCB + Crystals. |
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