From: Peter Baxter (email@example.com)
Date: Thu Jul 20 2000 - 21:22:47 PDT
Most round coaxial cables have 100% shield coverage to reduce EMI. The
shield also carries the return current.
Now imagine a flat ribbon cable with 3V 100MHz digital signals going
down. The cable is organised ground/signal/ground.
Wrapped around the flat ribbon cable is a "faraday cage" shield. Is is
grounded to mains earth, at one end only. No digital signal current
flows through it.
Can this faraday cage shield have, say 80% coverage, (crosshatch,
interwoven) and still contain RF emissions, or will is effectiveness be
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