Chapter 2 35
Performance Test
5. CROSSTALK TEST
2. Performance Test
5. CROSSTALK TEST
Description
This test checks the crosstalks between test ports of the E5071C. The crosstalk is tested by
performing "through" measurements with two test ports connected together and,
short-ended "isolation" measurements with the test ports terminated with N-type "Short"
devices. A "through" calibration is performed to have the through measurement data as the
reference to which the isolation measurement data is compared. With segment sweep
points for a specified frequency range, a swept measurement with the short-ended test ports
is repeated 16 times and the measurement data is averaged. The worst crosstalk value is
determined from the peak value of the average data.
Test equipment
Type-N(m) 50 ohm short termination (4 ea.) Agilent p/n 85032-60008
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