the strange red icon in DJ-MD5

I will start by saying this: I always “RTFM” . Always! I am the one that first reads the manual, then fully unboxes the toy. And this habit entitles me to be frank when it comes to a badly written user manual. This is the case with the user manual…

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DJ-MD5 trick

Do you find yourself struggling to access the micro-USB connector on your DM5 handheld? Did you know that the rubber cover can be rotated to get out of the way? 🙂

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Inside the DJ-MD5 handheld

Just wanted to share a view of the md5 RF front end.   There is a number of aircore inductors at the filter section of the system.  One can observe the carefully oriented coils, to minimize undesired interaction between them.

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Alinco DJ-MD5 tx power measurements

Today at the lab, I had the idea of measuring and documenting the transmission power levels of a Alinco DJ-MD5 handheld transceiver.  This transceiver is a DMR capable handheld.  This kind of technology uses TDMA modulation to transmit digital packets down the operating ‘slot’, every ~30mS .  My setup for…

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