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MA24106A UG 5-1
Chapter 5 — Sensor Operational Tests
5-1 Introduction
The test methodology and equipment described herein can be used to gain some confidence in the
measurement accuracy of the MA24106A Power Sensor. This is accomplished by comparing the sensor to
another sensor with a specified cal factor and linearity performance or uncertainty. General commercially
available equipment is used for these tests; however, these procedures are not sufficiently accurate to verify
sensors to factory specification. Therefore, sensor test limits in these procedures are set appropriately to the
specified comparison equipment. All tests should be performed at an ambient temperature of 20ºC to 25ºC.
Refer to the following sections for required equipment and test procedures:
• Required Equipment
• VSWR Pretest
• Calibration Factor Test
• Linearity Test
5-2 Required Equipment
Note: Calibration and verification of high accuracy Power sensors requires substantial investment in both skill
and equipment. For calibration, calibration verification, and to maintain the factory specifications of your
power sensor, please send sensors to qualified Anritsu Customer Service Centers.
Table 5-1. Required Equipment
Equipment Description
Manufacturer and
Model Critical Specifications
Vector Network Analyzer (Pretest) Anritsu MS4624B
or equivalent
Reflection Coefficient
Uncertainty
≤0.013 to 2 GHz
Uncertainty
≤0.020 to 6 GHz
Synthesizer
(Cal. Factor and Linearity Tests)
Anritsu MG3692
or equivalent
Output Power: >+20 dBm 0.05 to 6 GHz
Output Power Setting Resolution: 0.01 dBm
Harmonics:
≤–40 dBc
Source VSWR
≤2
Reference Power Meter
(Cal. Factor and Linearity Tests)
Anritsu ML2438
or equivalent
Instrumentation Accuracy
≤0.5%
Reference Power Sensor
(Cal. Factor and Linearity Tests)
Anritsu MA2422B
or equivalent
NIST Calibration or equivalent
10 dB K Attenuator
(Linearity Test)
Anritsu 41KC-10
VSWR
≤1.15 to 6 GHz
6 dB K Attenuator
(Cal. Factor Test)
Anritsu 41KC-6
VSWR
≤1.15 to 6 GHz
Adapter N(f) to K(f)
(Cal. Factor and Linearity Tests)
Anritsu 34ANF50 and
34AS50
VSWR
≤1.05 to 6 GHz
Power Splitter
(Linearity Tests)
Anritsu K241B Effective Output VSWR <1.45 to 6 GHz
Power Sensor Under Test MA24106A See Datasheet, 11410-00424
Personal Computer Any See Chapter 2