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JJF 1174-2007

JJF 1174-2007_English: PDF (JJF1174-2007)
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JJF 1174-2007EnglishRFQ ASK 7 days Calibration Specification for Digital Signal Generator JJF 1174-2007 Obsolete JJF 1174-2007

BASIC DATA
Standard ID JJF 1174-2007 (JJF1174-2007)
Description (Translated English) Calibration Specification for Digital Signal Generator
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A56
Classification of International Standard 17.220.01
Word Count Estimation 42,422
Date of Issue 2007-02-28
Date of Implementation 2007-05-28
Quoted Standard JJG 180-2002
Drafting Organization Ministry of Information Industry 601 metering station
Administrative Organization National Radio Measurement Technical Committee
Issuing agency(ies) State Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to calibrate the digital signal generator. Frequency range of 250kHz ~ 6GHz, modulation of the BPSK, QPSK, ��/4DQPSK, 8PSK, 16QAM, 32QAM, 256QAM, FSK, mK.

JJF 1174-2007
Calibration Specification for Digital Signal Generator
People's Republic of China National Metrology Technical Specifications
Digital signal generator calibration specification
Posted 2007-02-28
2007-05-28 implementation
The State Administration of Quality Supervision, Inspection and Quarantine released
Digital signal generator calibration specification
DigitalSig
nalGenerator
This specification by the State Administration of Quality Supervision, Inspection and Quarantine, 2007 February 28 ratification and
From May 28, 2007 into effect.
Focal point. the National Radio Technical Commission metering
Main drafting unit. Ministry of Information Industry metering station 601
Participated in the drafting unit. Ministry of Information Industry Communications Measurement Center
The specification of the National Radio Technical Commission responsible for the interpretation of measurement
The main drafters of this specification.
Yangqiao new (Ministry of Information Industry metering station 601)
Wang Yong (Ministry of Information Industry metering station 601)
Drafters participate.
Lisheng Hai (Ministry of Information Industry metering station 601)
Ding Xiang (Ministry of Information Industry metering station 601)
Sandra (Ministry of Information Industry metering station 601)
Liang Qiongchong (Ministry of Information Industry metering station 601)
ZHANG Rui (Ministry of Information Industry Communications Measurement Center)
table of Contents
1 Scope (1)
2. Referenced Documents (1)
3 Terms and Definitions (1)
4 Overview (2)
5 Metrological characteristics (2)
5.1 the crystal oscillator (2)
5.2 output signal frequency (2)
5.3 Output Level (2)
Spectral purity parameter 5.4 (2)
Analog modulation parameter 5.5 (2)
5.6 Pulse modulation parameter (3)
5.7 in the modulation signal generator parameter (3)
5.8 Digital modulation parameter (3)
6 calibration conditions (4)
Environmental conditions 6.1 (4)
6.2 calibration equipment (4)
7 Calibration methods and calibration items (5)
7.1, and appearance check work (5)
7.2 Calibration internal crystal oscillator (6)
7.3 Calibration frequency output signal (6)
7.4 output level calibration (6)
7.5 harmonics, harmonic and non-harmonic calibration points (7)
7.6 SSB phase noise calibration (8)
The remaining residual FM and AM 7.7 calibration carrier (8)
7.8 amplitude modulation amplitude modulation, FM demodulation distortion and accompanying calibration (9)
7.9 frequency modulation deviation, distortion and demodulate AM accompanying calibration (9)
7.10 phase modulation skew, distortion calibration demodulation (9)
7.11 calibration pulse modulation (10)
7.12 in the calibration of the modulation signal generator (10)
Calibration 7.13 TDMA digital modulation quality parameters (11)
7.14 CDMA calibrated digital modulation quality parameters (11)
7.15 calibration user-defined digital modulation quality parameters (12)
7.16 Internal baseband I/Q modulation calibration parameters (12)
7.17 external I/Q modulation frequency response calibration (13)
8 calibration results expression (13)
9 Recalibration interval (13)
APPENDIX A standard recording format (14)
Appendix B Uncertainty Evaluation Examples (25)
Digital signal generator calibration specification
1 Scope
This standard applies to the frequency range of 250kHz ~ 6GHz, the modulation scheme is BPSK, QPSK, π/4DQPSK,
8PSK, 16QAM, 32QAM, 256QAM, FSK, MSK (communication standard for the NADC, GSM, PHS,
DECT, IS-95CDMA, CDMA2000, W-CDMA) digital signal generator calibration.
2 Citations
JJG180-2002 electronic measuring instruments within the quartz oscillator verification procedures
When using this specification it should be noted that using the currently valid version of the documents cited.
3 Terms and Definitions
3.1 Error Vector Magnitude (errorvectormagnitude, EVM)
On the vector plot, since the non-linear RF amplifier noise, transmission channel interference and fading, etc., so that
Get the amplitude and phase vecto