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| To: | rsgb_lf_group <[email protected]> |
|---|---|
| Subject: | LF: M0BMU mods to the G0MRF PA |
| From: | Warren Ziegler <[email protected]> |
| Date: | Sat, 15 Dec 2012 11:17:37 -0500 |
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Hello the list... Since my G0MRF is experiencing intermittent short circuit in the final amp, I plan on re-doing the output circuit per the M0BMU modification:
The M0BMU mod changes the circuit to a current fed design which improves the efficiency. The mod calls for a transformer primary winding using 12 strands of 0.3mm e.c.w. (enamel covered wire). I assume that the 12 strands are used to improve the Q similar to the way Litz wire works?
Has anyone done this mod? Has anyone tried alternatives to the 12 strands of enamel wire? 73 & tnx Warren K2ORS 73 Warren K2ORS WD2XGJ WD2XSH/23 WE2XEB/2 WE2XGR/1 |
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