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I hope my blasphemy will be forgiven - it's for a good cause, after
all. I'd like to get myself a sturdy 50-100W CW TX, smtg that might be taken out of mothballing & used anywhere on the HF spectrum, perhaps even next century. I'm considering a solid-state rebuild of an existing military/marine transmitter. I am not intimidated by having to reengineer every single L & C to put e.g. switchmode MOSFETs in. I like in the idea of putting new life in an existing BA. Also, much of the heavy metal would be there - switching, shields, heavy duty RF caps & coils, and a few nice meters. And also nice, imposing looks! :-) - A professional TX from yesteryear that would take a quartz and put out a healthy amount of RF on the same frequenc or a multiple would to. - Not concerned about modulation. - I would not need a tube complement... - ...nor a tube-type power supply section. (OK, maaaybe I could chop 500Vdc to make RF, but it would be pretty extreme...). - I suppose a push-pull design might have certain advantages, but otherwise, the simpler the better. - It should be available in Europe. ======== What TX should I start from? ======== I've been thinking of something like the old Marconi Oceanspan shipboard series, but I don't see them traded, and I am open to suggestions both on model and source. Also, did anybody pull off such a project? tnx es 73 de n1jpr/i2 |
#2
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I converted an ARC-5 in such a manner. It was easy and the exterior looked
the same. 73, Colin K7FM |
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