Chapter 3 3-27
Functional Testing
Frequency Response
Frequency Response
Test Limits
Test Description
The output of the synthesized sweeper is fed through a power splitter to
a power sensor and the analyzer. The synthesized sweeper’s power
level is adjusted at 50 MHz to place the displayed signal at the analyzer
center horizontal graticule line. Measurements are made at various
points depending on the model being tested. The signal source
amplitude is measured with a power meter to eliminate errors due to
source flatness. The power meter is zeroed and calibrated before
starting the measurement.
ESA Model Frequency Minimum
(dB)
Maximum
(dB)
E4411B &
E4401B
9 kHz to 1.5 GHz –1.5 1.5
E4402B &
E4403B
9 kHz to 3 GHz –1.5 1.5
E4404B 9 kHz to 3 GHz –1.5 1.5
3.01 GHz to 6.7 GHz –3.0 3.0
E4405B 9 kHz to 3 GHz –1.5 1.5
3.01 GHz to 6.7 GHz –3.0 3.0
6.71 GHz to 13.2 GHz –3.5 3.5
E4407B &
E4408B
9 kHz to 3 GHz –1.5 1.5
3.01 GHz to 6.7 GHz –3.0 3.0
6.71 GHz to 13.2 GHz –3.5 3.5
13.21 GHz to 25 GHz –4.0 4.0
25 GHz to 26.5 GHz –4.0 4.5
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