When are testing a FCC Part 15 intentional radiator operating below 30 MHz,
and have encountered the situation where the emissions from the antenna is
being received by the power cord and causing the system to fail conducted
limits. The transmitter complies with the conducted limits with a dummy
antenna load. The transmitter has a detachable antenna and a 12 ft antenna
cable. Is it permissible to demonstrate compliance with the conducted limits
by 1) using a dummy antenna load, or 2) placing the antenna outside the
chamber, or 3) some other way? Obviously, whatever method we use must be
acceptable to the FCC.
 

Richard Woods
Sensormatic Electronics
Tyco International


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