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5->100W linear amp (Was: Digest Number 18)


 

--- In FT817@..., g0vgz@i... wrote:
Isnt there someone out there who knows of a say 50w
all band/mode linear driven by 1-5 watts for variable output ?
There's a neat, 50W design in the current ARRL handbook. It uses two
commodity (read: dirt cheap) MOSFETs at 24V/4A for 50W PEP off 2W in.

eBay usually lists 100W linears at $100 or so. The design is similar
to Motorola application notes; the box looks like a very short
production runs by no-name brands, targeting illegal CBers (5W AM/SSB
input).

BUYERS BEWARE -- you probably need a low pass filter to bring
harmonic
emissions down to US legal level (-40dBc?).

On 4z4kq