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More images are available for Tuesday, June 14th, 2022
AVT (Original Version)
This was the original AVT I designed before AEA commissioned me to do a more capable version (here  This model did AFSK F/D in such a way as to be optimized for SSTV by measuring the time between zero crossings. It connected to the Amiga's parallel port. It required an external 8 VDC to 12 VDC power source. Everything was done directly in hardware in this design, there was no CPU on board. I designed the PCB in Boardmaster. The elimination of the IC part numbers was pure paranoia on my part. I laugh at myself today about it. #amiga #sstv #hardware #design #boardmaster #avt #pcb EXIF:
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