[TZ] LNBs (and other stuff) voltage

Ron Youvan ka4inm at tampabay.rr.com
Sat Jun 11 15:03:11 CDT 2011


Barry Mishkind wrote:

> A friend had an LNB fail.  He was feeding it 24V, just as the specs said 11 to 24 VDC.

> Interestingly, he tried 18V and the LNB suddenly worked just fine.

> Comments?

   Made in China?

   It is possible the innards is drawing too much current for the Voltage regulator with 24 Volts 
coming in and 18 Volts reduced the power being dissipated in the pass device of the regulator and it 
is no longer getting too hot.  (try it at 12 Volts)

-- 
Ron KA4INM



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