|
|
@ -105,22 +105,13 @@ Select [Mouser](http://www.mouser.com) language/location icon to PCBA manufactur
|
|
|
|
country of origin and $-currency to check is PCBA manufacturer telling the truth
|
|
|
|
country of origin and $-currency to check is PCBA manufacturer telling the truth
|
|
|
|
about prices.
|
|
|
|
about prices.
|
|
|
|
|
|
|
|
|
|
|
|
[PCBWAY](http://www.pcbway.com) produced [ULX3S v1.7 45F](/pic/ulx3sb-v17.jpg) in
|
|
|
|
Before soldering the parts, ask manufacturer for [pictures](/pic/ulx3sb-v18.jpg) of PCB.
|
|
|
|
December 2017 at above of CLASS 3 quality, $126 per
|
|
|
|
CLASS 3 demands, among other things, that all drill holes stay inside of VIA pads.
|
|
|
|
board. They produced [ULX3S v1.8 85F](/pic/ulx3sb-v18.jpg) in
|
|
|
|
If some holes [break-out](/pic/ulx3sb-v18-breakout-c19.png)) from pads,
|
|
|
|
May 2018. Boards look like on the edge of CLASS 1 quality acceptance
|
|
|
|
ask manufacturer to make new PCBs with better drill and copper layer alignment.
|
|
|
|
(drill randomness and copper layer
|
|
|
|
|
|
|
|
misaligment, [some holes have breakout near 180°](/pic/ulx3sb-v18-breakout-c19.png)),
|
|
|
|
[PCBCART](http://www.pcbcart.com) offers CLASS 3 quality and assembly at reasonable cost.
|
|
|
|
while they claim it is still CLASS 2 compliant.
|
|
|
|
Prices for the parts are equal to [Mouser](http://www.mouser.com).
|
|
|
|
They charged $134 per board but agree to return money. [PCBWAY](http://www.pcbway.com) is
|
|
|
|
|
|
|
|
cheap at boards and assembly but
|
|
|
|
|
|
|
|
charged $40 for FPGA 85F chip which costed about $30 on [Mouser](http://www.mouser.com) at
|
|
|
|
|
|
|
|
that time.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
[PCBCART](http://www.pcbcart.com) would be my next choice because they
|
|
|
|
|
|
|
|
offer CLASS 3 quality and assembly at reasonable cost. Prices for the
|
|
|
|
|
|
|
|
parts are equal as from [Mouser](http://www.mouser.com) so total price per
|
|
|
|
|
|
|
|
board should be about the same as above.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Don't pay everything at once. Following payment phases during the
|
|
|
|
Don't pay everything at once. Following payment phases during the
|
|
|
|
PCBA production are recommended:
|
|
|
|
PCBA production are recommended:
|
|
|
|