shield 40m/80m for raspberry pi

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F4GOH
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shield 40m/80m for raspberry pi
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Office presentation icon WSPR_raspberry.ppt417.42 KB

hi

here is a shield 40m/80m for raspberry pi.

this shield contains:

ajustable pass band filter.
irf530/510 as PA
selectable low pass filter 40m/80m by jumpers.
you can change the pass band value as you want.

all scheme, pcb in file attachment.
rename ppt as zip.

have fun with wspr

F4GOH@orange.fr

Anthony