Do It Yourself
Accessories
Dummy Load
I made this dummy load for my 6m 300W linear amplifier testing and alignment. If you are interested on it, please remember to add a cooling fan for operate more than 300W and put it inside the shielding case for decrease the unwanted interference.
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| Full view | Inside both PCB |
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Schematic Diagram and
Instruction
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Specifications and Details :
| a) | Input Terminal | : | SO-239 (M type) |
| b) | Max. Power Handling | : | 500W (Continuous), 1000W (less than 5s). |
| c) | Operating Frequency | : | DC to 55MHz (SWR < 1.1, measured by MFJ-269) |
| d) | Loading Device | : | Use 2W carbon film resistors x 240pcs. |