ILER-20 MK2 SSB QRP Transceiver Kit Page 36
WIRING
The ILER-20 wiring is very simple, as long as you remember that:
- For the antenna connection use a thin, RF-rated coaxial cable such as RG-174 or similar.
- If you install the tuning polyvaricon off the circuit board, you should use short and stiff wires, as the
mechanical stability is very important.
-A metal box is highly recommended.
The ILER-20 is not protected against reverse polarity!
It is a good idea is to place a diode (i.e. BY255 or larger) in parallel with the power supply input. The
cathode (the end of the diode with the printed band) goes to t he positive wire. If your power supply has
short-circuit protection or has a f use on its output, fine; otherwise, you will need to build or buy a cable
with an in-line fuse in series.
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