Thanks Eric! 2009/7/28 Eric Blossom <[email protected]>
> On Tue, Jul 28, 2009 at 03:37:02PM -0400, Jonathan Coveney wrote: > > Well, maybe that's the wrong way to phrase it. I need to make or buy an > FM > > antenna (I realized I accidentally grabbed the VERT900 from my lab, and > they > > don't have an FM antenna). > > > > Some sites seem to imply that coax is usually 70 ohm, but it looks like > here > > > http://wireandcable.thermaxcdt.com/item/high-performance-coaxial-cables/mil-c-17-coaxial-and-twinaxial-cables/m17-113-rg316-id-72-?&seo=110 > > That the Thermax RGS-316 may be 50 ohm? I just need to know so I don't > ruin > > it... > > > > I checked ettus labs and couldn't see an answer. > > Antenna: > > http://www.radioshack.com/product/index.jsp?productId=2062691 > > 75 ohm Matching transformer (close enough): > > http://www.radioshack.com/product/index.jsp?productId=2062054 > > Then you need an F-to-BNC and BNC-to-SMA or something similar, unless > you're plugging it into a TVRX (which has an F-connector). > > > Coax is commonly either 50 ohm or 75 ohm. Cable TV uses 75 ohm. > For this application, either will work fine. > > Eric >
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