I've been bitten by card edge connectors as well....
Avoid them.
As far as the front pcb, thats a lot of laminate, and
you may have to spend a preminum to get the proper
alignment of the pots bnc's and other connectors. You
might look at 2-3 discrete pcb's for the front panel
to cut down on laminate cost.
I've also been bitten by pin style pcb to pcb
interconnects. The key is to provide extra mechanical
support so the connectors are not subject to vibration
and shock, then they work fine.
Unless your volumes are really high, I've found it
beneficial to use MTA connectors and wiring harnesses.
One can set it up on a routing board, get a hand tool
for $200, and then hire a neighbor to build harnesses
for a few bucks. The cottage industry is well suited
to this type of work. Its a lot cheaper than having to
tool the board supports if you use pin connectors to
plug the boards together.
Cool unit!!! I'll keep it in mind. My curve tracer is
pretty crude.
Ron
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