1 GENERAL OVERVIEW
14
1.2.3 Measurement Capabilities
Measured parameters S11, S21, S12, S22
Absolute power of the reference and received signals
at the port.
Number of
measurement channels
Up to 16 logical channels. Each logical channel is
represented on the screen as an individual channel
window. A logical channel is defined by such
stimulus signal settings as frequency range, number
of test points, power level, etc.
Data traces Up to 16 data traces can be displayed in each channel
window. A data trace represents one of the following
parameters of the DUT: S-parameters, response in
time domain, input power response.
Memory traces Each of the 16 data traces can be saved into memory
for further comparison with the current values.
Data display formats Logarithmic magnitude, linear magnitude, phase,
expanded phase, group delay, SWR, real part,
imaginary part, Smith chart format and polar format.
Sweep setup features
Sweep type Linear frequency sweep, logarithmic frequency
sweep, and segment frequency sweep, when the
stimulus power is a fixed value; and linear power
sweep when frequency is a fixed value.
Measured points per
sweep
From 2 to 100001.
Segment sweep A frequency sweep within several user-defined
segments. Frequency range, number of sweep points,
source power, and IF bandwidth should be set for
each segment.
Power settings Source power from –60 dBm to +10 dBm with
resolution of 0.05 dB. In frequency sweep mode the
power slope can be set to up to 2 dB/GHz for
compensation of high frequency attenuation in cables.
Sweep trigger Trigger modes: continuous, single, hold. Trigger
sources: internal, manual, external, bus.
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