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How does this CATV amp work?

Name: Mechanix2Go
Date: September 13, 2007 at 06:06:42 Pacific
OS: w2k sp3
CPU/Ram: PIII 933/256MB
Product: brand x

Comment:

http://cgi.ebay.com/INLINE-AMPLIFIE... "Powered by 13-18V DC through the coaxial cable (no power cable is needed)." How does it get 13-18V through the coaxial cable? ===================================== If at first you don't succeed, you're about average. M2

Name: wizard-fred
Date: September 13, 2007 at 06:22:08 Pacific

Reply:

By using a capacitor/inductor network at each end to separate the power and signal.

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