[TenTec] notch filter for Eagle?
k9yc at audiosystemsgroup.com
Thu Jul 20 15:26:25 EDT 2017
On 7/20/2017 10:48 AM, Michael Tortorella wrote:
> There is a router about 6 feet away from the laptop/xvcr setup and I
> am using Ethernet cable (wired) connection to it.
Remember that coupling is between those cables and the antenna you're
using to RX, so what matters is proximity between the noise source and
the RX antenna.
If the noise is coupling into the radio with no antenna, the radio has a
Pin One Problem (a connector with a cable shield that isn't bonded to
the chassis at the point of entry, but instead goes to the circuit
board). This is a VERY common design error, and is present on every ham
rig I've seen, including Ten Tec, Elecraft, and Flex. ANY cable
connected to the rig can be a path for RF trash into the rig, not just
antenna cables. ALL of those RCA connectors on the back of my old Omni V
have this defect.
73, Jim K9YC
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