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In this category, you can discuss different ways of connection between EE radios and external Power Amplifiers.

TOPIC: HVLA1K3 <> EXTCTRL

HVLA1K3 <> EXTCTRL 16 Nov 2023 08:59 #1

Hello forum, do any of you have a power amplifier from the Italian company RFpower model HVLA1K3 in use and control the band switching via EXT CTRL?
I am looking for a wiring diagram of the connection between the HVLA1K3 and the SunSDR2 DX transceiver.

vy 73 de Michael DM1MT
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HVLA1K3 <> EXTCTRL 20 Nov 2023 09:49 #2

Hi
I assume you want to setup "BandData".
the wire to setup needs some resitors as pull-up and software configuration into the BandManager.
Some info here : blog.pauls.li/?p=429 - this is for 2K-FA, but It is probably same on 1K3
It exists also some providers (it is about €€...)

Note : it is better to consider to use COMport (assitance by CAT), but BandData doesnot need to setup PC (Serial port, RadioSync....)
P@t
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HVLA1K3 <> EXTCTRL 21 Nov 2023 06:35 #3

Dear Patrice,
Thank you very much for your information, which has helped me a lot. Yes, I have all the information I need to make the right connection cable. I am testing the Yaesu version, that should work.

Thank you very much for your support.

73 Michael DM1MT
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