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18
Agilent 81632B/3B/4B/6B/7B Power Sensor Modules and the
Agilent 81635A Dual Power Sensor Module are produced to the ISO
9001 international quality system standard as part of Agilent's
commitment to continually increasing customer satisfaction through
improved quality control.
Specifications describe the modules' and heads' warranted
performance. Supplementary performance characteristics describe the
modules' and heads' non-warranted typical performance.
Because of the modular nature of the instrument, these performance
specifications apply to these modules and heads rather than the
mainframe unit.
Definition of Terms
This section defines terms that are used both in this chapter and
"Performance Tests" on page 29.
Generally, all specifications apply for the given environmental
conditions and after warmup time.
Measurement principles are indicated. Alternative measurement
principles of equal value are also acceptable.
Averaging Time
Time defining the period during which the power meter takes readings
for averaging. At the end of the averaging time the average of the
readings is available (display- or memory-update). Symbol T
Linearity
The linearity error is defined as the relative difference between the
displayed power ratio, D
caused by changing the displayed power level from the reference level,
D
, to an arbitrary displayed level, D
0
if expressed in %
Agilent 81632B/3B/4B/6B/7B Power Sensor Modules and Agilent 81635A Dual Power
Sensor Module, First Edition
/D
, and the actual (true) power ratio P
x
0
. Symbol N.
x
⁄
D
D
100
x
0
N
=
---------------- - 1
–
⁄
P
P
x
0
.
avg
/P
x
0
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