Haven't used that particular power supply, but DROK generally does not sell junk.? David's DROK switcher has a current limit feature, which could save your rig.? The $2 switchers might work if you first screen out the dead-on-arrivals and can deal with some receiver hash, but for the QMX I'd spring another 15 bucks for the relatively good one.? Would be interesting to determine the frequency it is switching at, then hunt for harmonics on the receiver.? If they are bothersome, perhaps chokes on the wires to the rig and a metal box for the supply would help.
This one's a bit smaller if that's of interest: ?
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Jerry, KE7ER
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On Sat, Nov 2, 2024 at 02:40 AM, David Wilcox K8WPE wrote:
There are a couple of hams in our radio club that use the Drok buck/boost converters with such power tool batteries. They do CW with their xiegu radios and tell me they work well. ?I use a Drok converter with my QMX and it works fine.?
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