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Standard State Senator Dinniman Remembers Holocaust Survivor Who Founded Vishay Intertechnology, Inc. Hammond Manufacturing Series 1590 Diecast Aluminum Enclosures are rugged, yet easy to machine, electronic instrument enclosures with low wide wall draft angles (2 degrees or less) for easy P.C. HQ025EMS a€” Sealed enclosure with interference protection natural aluminum color, production is made of aluminum alloy ADC-12. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. I currently make a system consisting of a plastic enclosure which contains an MCU talking to 7 ADCs using 2MHz SPI over wires about 5cm long. I am working in a desperately space constrained application, so adding shielding to the wires isn't really an option. It would be nice to use some kind of differential bus (one or two pairs only), but the only ADCs with differential communication seem to be multi-MSPS LVDS types.


How can shielding the cables be considered impractical but doubling the number of wires (differential signaling) be considered practical? Properly terminating the signals is going to be a little tricky since you don't have a controlled impedance on your cable. A cap value of at least 3 nF is ideal for ESD protection, but that might not be an issue in your application.
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Does there exist a complex function which is differentiable at one point and nowhere else continuous?
Is there a way to write an infinite set that contains only irrational numbers without integer multiples?
Everything I have read suggests that any kind of digital signal that's not safely on a PCB in a grounded metal chassis will radiate too much to pass EMI testing.


Yes, I'm pretty sure that the impedance changes at several points as it moves from pcb to connector to cable, etc. If you're sampling seven chips, eight channels per chip, twelve bits per channel, that's 672 bits of data per sample time.
That doesn't leave you much room for overhead, so you might consider using a microcontroller that has two separate CANbus controllers built in. As you can see, there isn't even space for a connector and the wires are soldered directly to the PCB, then potted.
The lack of connector is due to surrounding space constraints rather than PCB space constraints.



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