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Design, build, hack....zap and repeat!

New Tech Toys Pt.2

Posted on Jan 5, 2014 | Comments Off on New Tech Toys Pt.2

On to the workbench! The holidays brought an abundance of technology which I started to describe in Part 1: Overcome with technology.  Now I’m headed down to the workbench. Since I work on mobile and desktop radios, transceivers and associated equipment, many of which use 12 – 15VDC, I got a power supply dedicated to that voltage and amperage range. And since much of that equipment just plugs into the vehicle’s cigarette lighter, I chose an MFJ-4245MV which just happens to have a cigarette lighter jack built right in! While testing the transmit side of these radios, you somtimes need to measure the output power. So I got a dummy  load / wattmeter to measure the wattage while transmitting into a 50 ohm “antenna” without going out on the air. I chose the MFJ-267 since it could handle up to...

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