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| Reviews Summary for Alden McDuffie QRP Dummy Load |
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Reviews: 1
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Average rating: 5.0/5
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MSRP: $$49.95 kit; $59.95 assembled
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Description: QRP Smart Dummy Load complete kit -- PCB, parts, manual, and case. 10 watts maximum. PIC controlled coaxial switch so you can leave antenna attached.
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More info: http://www.aldenmcduffie.com
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KC0MAX
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Rating: 5/5
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Dec 17, 2004 21:42
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Great QRP Accessory
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Time owned: 0 to 3 months
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The kit went together nicely (about one hour assembly time) and is a great companion for radios such as the Icom 703. It will handle a maxumum of 10 watts, has a PIC controlled coaxial switch, and allows you to leave the antenna attached. Power is consumed by a five three-watt resistors, providing a 50-Ohm load. It's powered by an internal 9-volt battery, switched by relay, and has an LED that glows in proportion to total power out. For more features, check the website. Like all AD kits, it is well-designed and has a very professional aluminum case. The case comes unfinished; the color scheme (black exterior, gray panels) was mine. For best results, be sure to prime the case before painting. I've found the AD SDL to be very handy. It's nice to be able to kick in the dummy load in order to adjust your code key for a moment without having to change settings, or to check SWR between the rig (1:1 with dummy load in) and the antenna. Also, the there's a spot switch to key the 703 for use as a signal generator (turn the power down to 50 mw!) so your hands are free to work on a circuit. No key necessary.
The dummy load was designed by Phil Anderson, W0XI, who does great work. The manual is available for download on the Alden McDuffie webite.
Max KCØMAX
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