Giga-tronics 8650B Series, Руководство по эксплуатации

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Performance Verification
Publication 31470-001, Rev C, November 2, 2017 4-1
Chapter 4 Performance Verification
4.1 Introduction
This chapter defines procedures for performance verification of the Series 8650B Universal Power Meters. Refer
to Appendix B of this publication for power sensor selection and calibration.
4.2 Equipment Required
Table 4-1 lists the equipment required for performance verification of the Series 8650B Power Meters.
Table 4-1: Performance Verification – Required Equipment List
Description Representative Model Key Characteristics
CW Thermistor Power Meter HP/Agilent
Model 432A
V
RF
and V
COMP
available externally
Thermistor Mount HP/Agilent
Model 478A-H75
≤1.05 VSWR @ 50 MHz
Accuracy ±0.5% @ 50 MHz
Digital Voltmeter (DVM) HP/Agilent
Model 34401A
±0.05% accuracy
1 µV resolution
Directional Coupler, 10 dB Mini-Circuits
Model ZFDC-10-1-N+
≤1.20 SWR @ 50 MHz
Step Attenuator, 0 to 90 dB in
10 dB increments
Aeroflex/Weinschel
Model AC118A-90-43
≤1.15 SWR @ 50 MHz
±0.1 dB attenuation
RF Source (Signal Generator)
(RF Amp optional)
Giga-tronics
Model GT-2500B
+22 dBm @ 50 MHz
Low Pass Filter, 50 MHz Mini-Circuits
Model NLP-50+
>30 dB attenuation @ 100 MHz
Frequency Counter XL Microwave
Model 3260
≥1.5 GHz Range
≥6 digit resolution
≤50 ppm stability
GPIB Controller PC w/ GPIB interface With driver software