IMG_0288.JPG

IMG_0288.JPG

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Uploaded on Nov 2, 2011

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IMG_0287.JPG

IMG_0287.JPG

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Uploaded on Nov 2, 2011

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IMG_0153.JPG

IMG_0153.JPG

The back of the finished power supply. Turns out the 60 mm fan is a bit overkill. I probably could...

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Uploaded on May 23, 2011

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IMG_0152.JPG

IMG_0152.JPG

The finished power supply (with corrected output ratings). 13.2 V output via standard...

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Uploaded on May 23, 2011

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IMG_0151.JPG

IMG_0151.JPG

Nearly all the wiring was done on the switching power supply's terminals. The fan was the...

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Uploaded on May 23, 2011

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IMG_0150.JPG

IMG_0150.JPG

This was primarily a metalworking project, just cutting a bunch of holes and mounting various...

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Uploaded on May 23, 2011

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QRPSWR_final.JPG

QRPSWR_final.JPG

The finished QRP SWR meter. Simple electronics but some moderately challenging metalwork, mostly...

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Uploaded on May 16, 2011

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QRPSWR_electronics.JPG

QRPSWR_electronics.JPG

All the components are soldered together, and barely fit into the box. The aluminum box is...

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Uploaded on May 16, 2011

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QRPSWR_testing.JPG

QRPSWR_testing.JPG

Final testing of the breadboarded circuit and the external components. I hooked up my one-and-only...

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Uploaded on May 16, 2011

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QRPSWR_box_outside.JPG

QRPSWR_box_outside.JPG

External work is finished, except for labeling. I am pretty happy with the appearance of this project!

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Uploaded on May 16, 2011

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QRPSWR_box_inside.JPG

QRPSWR_box_inside.JPG

Test-fitting all the external components. A slightly larger box would have been *much* easier, although this was a very enjoyable challenge!

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Uploaded on May 16, 2011

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QRPSWR_box.JPG

QRPSWR_box.JPG

Metalwork is done on the project box! Still need to cut down the shafts on the pot. and rotary switch.

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Uploaded on May 16, 2011

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QRPSWR_breadboard.JPG

QRPSWR_breadboard.JPG

Breadboarding the QRP SWR "meter". My Yaesu VX-3R (max 1.5 W output) on the bottom left, project box top center.

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Uploaded on May 16, 2011

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11A PSU (rear)

11A PSU (rear)

Rear view of the power supply. I used rubber washers on the fan grill, which completely eliminated...

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Uploaded on May 13, 2011

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11A PSU (front)

11A PSU (front)

Front view of my 11-amp power supply (with incorrect output ratings, doh!) Project info: www.n6na.org/home/UserN3JIMpower Supply1

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Uploaded on May 13, 2011

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100_1634.JPG

100_1634.JPG

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Uploaded on Apr 11, 2009

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100_1633.JPG

100_1633.JPG

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Uploaded on Apr 11, 2009

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100_1631.JPG

100_1631.JPG

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Uploaded on Apr 11, 2009

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