WebJun 10, 2024 · DF9IC 23cm 250W PA copper heatspreaders available. Neil Smith G4DBN. #50289. I've just made a new batch of the heatspreaders for DF9IC 23cm 2 x … WebMy first DF9IC 23cm 250W PA board has been running for a month and it is working well, although I think the output capacitor positions still need a little optimisation. I am using the 9160s from utsource.net and the professional PCBs direct from Henning. ... I am using a water-cooling plate for the PAs. The heatspreader is a copper block 100mm ...
23cm Transverter PE1JPD amateur radio projects
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38th Nordic VUSHF meet: 23cm PA:s / Wolf-Henning Rech (DF9IC…
WebMMRT 2015 Wolf-Henning Rech DF9IC 6 Concept of the box • Transistor is installed on a copper heat spreader • Frame and cover from tin plated material (possibly joint with the … WebMinimum Fireplace Dimensions: 23 3/16"W x 19 5/8"H x 10 13/16"D. Dimplex Fireplace Inserts- Reclaim the charm and warmth of your old unused fireplace with this elegant … WebI’ve just finished another six of the DF9IC 23cm PA heat spreaders. By the time I get good at this, I won’t need to make any more! Henning’s 2015 Weinheim paper has the details. More info on his website. 100mm x 71.4mm x 12mm copper, with a 0.65mm x 10mm milled slot, 8mm coax link pocket, 3 x 4.5mm mounting holes and 8 x 3mm threaded and … rdv challans cni