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JJF 1396-2013 English PDF (JJF1396-2013)

JJF 1396-2013 English PDF (JJF1396-2013)

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JJF 1396-2013: Calibration Specification for Spectrum Analyzer

This specification applies to the calibration of a spectrum analyzer in the frequency range from 3 Hz ~ 50 GHz.
JJF 1396-2013
JJF
NATIONAL METEOROLOGY TECHNICAL SPECIFICATION
OF THE PEOPLE’S REPUBLIC OF CHINA
Calibration specification for spectrum analyzer
ISSUED ON. FEBRUARY 16, 2013
IMPLEMENTED ON. AUGUST 16, 2013
Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Table of contents
Introduction ... 6
1 Scope ... 7
2 Normative references ... 7
3 Overview ... 7
4 Metrological characteristics ... 7
4.1 Reference frequency ... 7
4.2 Calibration signal level ... 7
4.3 Frequency marker ... 8
4.4 Sweep width ... 8
4.5 Resolution bandwidth ... 8
4.6 Frequency stability ... 8
4.7 Vertical display scale ... 8
4.8 Reference level ... 9
4.9 Input attenuator conversion effects ... 9
4.10 Resolution bandwidth conversion effect ... 9
4.11 Display average noise level... 9
4.12 Residual response ... 9
4.13 Image response ... 9
4.14 Scan time ... 9
4.15 Absolute amplitude ... 9
4.16 Input frequency response ... 10
4.17 Second harmonic distortion ... 10
4.18 Third-order intermodulation distortion... 10
4.19 Gain compression ... 10
4.20 Input voltage standing wave ratio... 10
4.21 Power bandwidth ... 10
5 Calibration conditions ... 10
5.1 Environmental conditions ... 10
5.2 Equipment used for calibration ... 11
6 Calibration items and calibration methods ... 12
6.1 Appearance and operation normality inspection ... 13
6.2 Reference frequency ... 13
6.3 Calibration signal level ... 14
6.4 Frequency reading ... 16
6.5 Sweep width ... 16
6.6 Resolution bandwidth ... 17
6.7 Noise sideband ... 20
6.8 Residual frequency modulation ... 21
6.9 Vertical display scale ... 22
6.10 Reference level ... 24
6.11 Input attenuator conversion effect ... 24
6.12 Resolution bandwidth conversion effect ... 25
6.13 Display average noise level ... 26
6.14 Residual response ... 27
6.15 Image response ... 27
6.16 Scan time ... 28
6.17 Absolute amplitude ... 29
6.18 Input frequency response ... 30
6.19 Second harmonic distortion ... 31
6.20 Third-order intermodulation distortion... 32
6.21 Gain compression ... 33
6.22 Input voltage standing wave ratio... 34
6.23 Frequency counting ... 34
6.24 Power bandwidth ... 35
7 Presentation of calibration results ... 35
8 Recalibration Interval ... 36
Appendix A Calibration record form ... 37
Appendix B The inner page format of calibration certificate ... 47
Appendix C Examples of measurement uncertainty evaluation ... 59
Calibration specification for spectrum analyzer
1 Scope
This specification applies to the calibration of a spectrum analyzer in the frequency range from 3 Hz ~ 50 GHz.
2 Normative references
This specification refers to the following documents.
JJF 1071-2010 The rules for drafting national calibration specification For the dated documents, only the versions with the dates indicated are applicable to this specification; for the undated documents, only the latest version (including all the amendments) are applicable to this specification. 3 Overview
Spectrum analyzer is a super-heterodyne receiver with display device. It consists of preselector, scanning local oscillator, mixer, middle amplifier, filter, detector, amplifier and display. It is mainly used for spectrum analysis, AND can also be used for the measurement of frequency, level, gain, attenuation, analog modulation and digital modulation, and distortion jitter, which is and
indispensable instrument in communication, radio, television, radar, aerospace, and other technology areas.
4 Metrological characteristics
4.1 Reference frequency
Frequency nominal value. 10 MHz;
Frequency accuracy. 1 × 10-5 ~ 1 × 10-10.
4.2 Calibration signal level
Level range. -30 dBm ~ 0 dBm;
4.16 Input frequency response
Frequency range. 3 Hz ~ 50 GHz;
Frequency response. ± 0.2 dB ~ ± 5 dB.
4.17 Second harmonic distortion
Frequency range. 10 MHz ~ 25 GHz.
4.18 Third-order intermodulation distortion
Frequency range. 10 MHz ~ 50 GHz.
4.19 Gain compression
Frequency range. 10 MHz ~ 50 GHz.
4.20 Input voltage standing wave ratio
Frequency range. 10 MHz ~ 50 GHz;
Input voltage standing wave ratio. 1.02 ~ 3.
4.21 Power bandwidth
3dB bandwidth range. 1 Hz ~ 10 MHz;
The maximum allowable error. ± 0.02 dB ~ ± 0.50 dB.
Note. The above lists the measurement range and technical parameter requirements of each calibration parameter of the spectrum analyzer; during calibration, it shall follow the technical parameter requirements as ...

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