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Ferrite Bead Usage On Receive-Only Antenna
Hello:
Will be putting up an outside antenna, with a coax run-in to the upstairs of my house where the receiver is. Antenna is for receive-only. This receive antenna's coax unfortunately, here and there, will be in close proximity to the coax cable Comcast runs to my PC modem. Really hard to avoid some close proximity of the two, in spots. It has been suggested that I buy some of those R/S ferrite snap over "beads" to minimize any pickup of the receive only antenna from the Comcast cable. Questions: a. Do I want to place them on both cables, or just Comcast's ? Why ? How many and where ? b. Should they effect my normal received signal (30 MHz on down to broadcast bands) in any way ? Thanks, B. |
#2
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Ferrite Bead Usage On Receive-Only Antenna
On Sun, 19 Mar 2006 07:52:07 -0500, "Robert11"
wrote: Hello: Will be putting up an outside antenna, with a coax run-in to the upstairs of my house where the receiver is. Antenna is for receive-only. This receive antenna's coax unfortunately, here and there, will be in close proximity to the coax cable Comcast runs to my PC modem. Really hard to avoid some close proximity of the two, in spots. It has been suggested that I buy some of those R/S ferrite snap over "beads" to minimize any pickup of the receive only antenna from the Comcast cable. Questions: a. Do I want to place them on both cables, or just Comcast's ? Why ? How many and where ? b. Should they effect my normal received signal (30 MHz on down to broadcast bands) in any way ? Thanks, B. The Cable Company usually uses very high-quality line for the data drop. Unles you can hear noise sent back up the shield from the "modem'' I wouldn't worry about it. You should use Quad Shielded RG-6 as well, if it's really bothering you. |
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