Hi All, at the risk of really showing some ignorance, a question:
If the choke is doing a good job and located at the feedpoint, isn't the
common mode circuit quite short?
Seems that the common mode current is the cause of the feed point imbalance
rather than the imbalance causing the common mode current. Chicken first
or egg first?
73,
Gerald K5GW
In a message dated 4/20/2012 2:43:29 A.M. Central Daylight Time,
jim@audiosystemsgroup.com writes:
On 4/19/2012 7:12 PM, Jim Brown wrote:
> Bottom line -- dissipation in a common mode choke on a COAX line is
> directly, and primarily related to the IMBALANCE in the SYSTEM, the TX
> power, and the system impedance.
and, VERY important, the electrical length of the common mode circuit
(that is, Vf approx = 0.99).
Jim
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