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Re: PA100-D Input SWR

Hi again Adrian, I just tested each band again and I find that my results are comparing well to your sweeps at each of the 4 attenuator settings :D This gives me peace of mind that my hardware is in specification. I am currently driving the PA100-D with my Elad FDM-DUO, it seems fine with the 1:2 SW...
by KV4TT
10 Mar 2017 19:43
 
Forum: Juma Discussion
Topic: PA100-D Input SWR
Replies: 2
Views: 789

PA100-D Input SWR

Hello Group, I am really liking my PA100-D built about 1 year ago. I recently updated the firmware and like it even better now. One situation I have had since I completed construction is the input SWR is 2 or more on all bands into a good dummy load, when using the G4 attenuator position. I am inter...
by KV4TT
09 Mar 2017 15:42
 
Forum: Juma Discussion
Topic: PA100-D Input SWR
Replies: 2
Views: 789

Re: Problem flashing Firmware

Hello Adrian, First. Thank you for your guidance :D I have now successfully flashed the PIC with v1.04/ bootloader and then updated to your wonderful v2 firmware via the serial connection. I did need to close j4 to ensure power to the chip during programming, and had to set a couple of other check b...
by KV4TT
09 Mar 2017 13:33
 
Forum: Juma Discussion
Topic: Problem flashing Firmware
Replies: 19
Views: 6254

Re: Problem flashing Firmware

Hello Group, While attempting to update the firmware in my PA100-D I have also discovered I have the missing bootloader. I have purchased and connected a PICKit-3 and am attempting to flash v1.04 with the bootloader so I can upgrade firmware further using the serial connection. The problem I am havi...
by KV4TT
07 Mar 2017 14:12
 
Forum: Juma Discussion
Topic: Problem flashing Firmware
Replies: 19
Views: 6254

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