The Best Keysight-Agilent 8719ET-400

Keysight-Agilent 8719ET-400

Specifications describe the instrument’s warranted
performance after a half-hour warm-up and over
the temperature range of 23° C ± 3° C, unless
otherwise stated.
Supplemental characteristics are typical but nonwarranted performance parameters. These are
denoted as “typical,” “nominal,” or “approximate.”
Dynamic range
System dynamic range is calculated as the difference between the receiver noise floor and the lesser
of either the source maximum output or the receiver
maximum input level. System dynamic range applies
to transmission measurements only, since reflection measurements are limited by directivity.
Noise floor is specified as the mean plus three
standard deviations of the linear magnitude noise
floor trace over frequency. Noise floor is measured
with the test ports terminated in loads, full twoport error correction for the 8719ES/8720ES/8722ES
and enhanced response error correction for the
8719ET/8720ET/8722ET (with 16 averages used
during isolation), 10 Hz IF bandwidth (BW), maximum test port power, and no averaging during
the measurement.
Measurement uncertainty
Measurement uncertainty curves utilize an RSS
(Root Sum Square) model for the contribution
of random errors such as noise, typical connector
repeatabilities, and test set switch; this is combined
with a worst-case model for the contributions of
dynamic accuracy and residual systematic errors.
Curves show the worst-case magnitude and phase
uncertainty for reflection and transmission measurements, after a full two-port error correction for
the 8719ES/8720ES/8722ES and enhanced-response
error correction for the 8719ET/8720ET/8722ET
(with 8 averages used during isolation), using the
specified cal kit, with 10 Hz IF bandwidth (BW)
and no averaging during the measurement.
Measurement port characteristics
Characteristics show the residual system uncertainties for both uncorrected performance and
corrected performance using full two-port error
correction for the 8719ES/8720ES/8722ES and
enhanced-response error correction for the 8719ET/
8720ET/8722ET. These characteristics apply for
an environmental temperature of 23° C ± 3° C,
with less than 1° C deviation from the calibration
temperature. 8719ET/8720ET/8722ET Option 004
may degrade transmission source match as much
as 2 dB, resulting in up to 0.05 dB additional
uncertainty in transmission tracking.

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