steve(at)tomasara.com
Guest
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 Posted: Tue Aug 23, 2011 5:02 pm Post subject: Circuit protection for DO-160 compliance.... |
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Greetings list,
I've got gauges (Westach) for oil pressure and fuel pressure but I'm
thinking I would like idiot lights as well. My preference is just to
hang a couple of comparitors on the wires to the gauges rather than add
additional switch-style sensors.
Are there any suggestions for signal and power filtering (resistor, cap,
etc.) so that my little comparitor and LED drive circuit is as robust as
something designed for DO-160 compliance? I'm skilled enough to make
some good guesses but if there are any tried true (aircraft/ DO-160)
methods for protecting the low impedance (power) input and the high
impedance (comparitor) inputs I'd love to hear about them. (I don't
need best guesses or untried approaches as I've got plenty of those
already).
Steve Stearns
Boulder/Longmont, Colorado
CSA,EAA,IAC,AOPA,PE,ARRL,BARC (but ignorant none-the-less)
Restoring (since 1/07): N45FC O235 Longeze Cothern/Friling CF1 (~1000 Hrs)
Flying (since 9/86): N43732 A65 Taylorcraft BC12D
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