Amiga-CXA-Shim-v3
author: ABrugsch
2 layer board of 0.38 x 0.86 inches (9.6 x 21.9 mm)
Uploaded:
January 18, 2021
Shared:
January 18, 2021
Total Price:
$1.60
If you order a set of these, please consider buying me a coffee
Improved rev 3! (not tested yet - order at own risk) order as a flex PCB (or at most 0.8mm regular PCB) for best fit. Intermediate board to allow a drop-in replacement of an improved RGB video encoder chip CXA1645 in place of the usual CXA1145 on Amiga A600/A1200 models.
Resistor/Capacitor sizes are all 0603 and the values are listed on the silkscreen.
The 16K R needs to be a 1% tolerance (or accurately tested) resistor and Y/C connections are broken out for S-Video mods to be attached (extra 75R + 220uF RC components needed in line with each)
This may be applicable to other uses of the CXA1145 if it’s the same SMD package as the Amiga variant and there is sufficient space around the ends for the passive components.
If you order a set of these, please consider buying me a coffee
Improved rev 3! (not tested yet - order at own risk) order as a flex PCB (or at most 0.8mm regular PCB) for best fit. Intermediate board to allow a drop-in replacement of an improved RGB video encoder chip CXA1645 in place of the usual CXA1145 on Amiga A600/A1200 models.
Resistor/Capacitor sizes are all 0603 and the values are listed on the silkscreen.
The 16K R needs to be a 1% tolerance (or accurately tested) resistor and Y/C connections are broken out for S-Video mods to be attached (extra 75R + 220uF RC components needed in line with each)
This may be applicable to other uses of the CXA1145 if it’s the same SMD package as the Amiga variant and there is sufficient space around the ends for the passive components.
