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GB/T 22450.1-2008: Limits and measurement methods of electromagnetic compatibility for 900/1800MHz TDMA digital cellular telecommunications system -- Part 1: Mobile station and ancillary equipment Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 22450.1-2008: Limits and measurement methods of electromagnetic compatibility for 900/1800MHz TDMA digital cellular telecommunications system -- Part 1: Mobile station and ancillary equipment---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT22450.1-2008 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 33.100 L 06 Limits and Measurement Methods of Electromagnetic Compatibility for 900/1800 MHz TDMA Digital Cellular Telecommunication System - Part 1.Mobile Station and Ancillary Equipment Issued on. OCTOBER 07, 2008 Implemented on. APRIL 1, 2009 Issued by. General Administration of Quality Supervision, Inspection and Quarantine (AQSIQ); Standardization Administration of China (SAC) of the People's Republic of China. Table of Contents1 Scope... 6 2 Normative References... 6 3 Terms, Definitions and Abbreviations... 8 3.1 Terms and Definitions... 8 3.2 Abbreviations... 10 4 Test Conditions... 11 4.1 Universal Test Conditions and Configuration... 11 4.2 Test Arrangement... 12 4.3 Test-exempted Frequency Band... 13 4.4 Measurement Conditions for Spurious Emissions... 14 4.5 Measurement Conditions and Arrangement for Continuous Emissions... 15 4.6 Immunity Test Conditions and Arrangement... 16 4.7 Narrow-band Response of Receiver and Transceiver... 18 5 Performance Criteria... 18 5.1 Performance Evaluation Method... 19 5.2 Performance Criteria for Transmitter under Continuous Emissions... 19 5.3 Performance Criteria for Transmitter under Transient Emissions... 20 5.4 Performance Criteria for Receiver under Continuous Emissions... 20 5.5 Performance Criteria for Receiver under Transient Emissions... 20 5.6 Performance Criteria under Discontinuity Condition... 20 6 Applicability... 21 6.1 Measurement of Emission (See Table 2)... 21 6.2 Immunity Test (See Table 3)... 21 7 Measurement Methods and Limits for Emissions... 22 7.1 Total Radiant Power... 22 7.2 Conducted Spurious Emissions... 22 7.3 Radiated Spurious Emissions... 24 7.4 Enclosure Port of Ancillary Equipment... 27 7.5 Telecommunication Port... 28 7.6 Input/Output Ports of DC Power Supply... 29 7.7 Input/Output Ports of AC Power Supply... 30 7.8 Harmonic Current (Input Port of AC Power Supply)... 30 7.9 Voltage Fluctuation and Flicker (Input Port of AC Power Supply)... 30 7.10 Transient Conducted Emissions (Input/Output Ports of DC Power Supply)... 31 8 Immunity Test Methods and Grades... 31 8.1 Electrostatic Discharge Immunity Test... 31 8.2 Radiated Emission Immunity Test... 32 8.3 Electrical Fast Transient/Burst Immunity Test... 33 8.4 Surge Immunity Test... 33 8.5 Immunity Test of Conducted Emissions Induced by Radio-frequency Fields... 34 8.6 Immunity Test of Voltage Dips, Short Interruptions and Voltage Variation... 35 8.7 Transient and Surge Immunity Test (Vehicular Environment)... 37 8.8 Power Frequency Magnetic Field Immunity Test... 381 ScopeThis Part of GB/T 22450 specifies the requirements for the electromagnetic compatibility (EMC) of mobile station and ancillary equipment of Phase 1 and Phase 2 GSM 900 MHz and DCS 1800 MHz digital cellular telecommunication systems that transmit and receive voice and/or data, including the measurement methods, frequency range, limits and performance criteria. This Part is applicable to portable and vehicular mobile stations, also applicable to those mobile stations that are powered by AC power supply and used at fixed position as well as the data terminals of various GSM 900 MHz and DCS 1800 MHz digital cellular telecommunication systems.2 Normative ReferencesThe following documents contain the provisions which, through reference in this Part of GB/T 22450, constitute the provisions of this Part. For the dated reference, the subsequent amendments (excluding corrections) or revisions of these publications do not apply. However, parties who reach an agreement based on this Part are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For any undated references, the latest edition of the document referred to applies. GB/T 6113.1 Specifications for Radio Disturbance and Immunity Measuring Apparatus GB 9254 Information Technology Equipment - Radio Disturbance Characteristics - Limits and Methods of Measurement (GB 9254-2008, CISPR 22.2006, IDT) GB 17625.1 Electromagnetic Compatibility – Limits - Limits for Harmonic Current Emissions (Equipment Input Current ≤16A per Phase) (GB 17625.1-2003, IEC 61000-3-2.2001, IDT)3 Terms, Definitions and Abbreviations3.1 Terms and Definitions For the purposes of this Part, the following terms and definitions apply. 3.1.2 Fixed equipment MS that is intended for operation at a fixed location and powered by AC power supply. 3.1.3 Idle mode A kind of operating mode of MS receiver or transceiver. Under this mode, the equipment under test (EUT) has already been powered up and can provide services and also make response to the demand of setting up calls. 3.1.4 Integral antenna equipment The antenna that such kind of equipment does not need external terminal and is a part of the equipment; the integral antenna may be internal or external antenna. 3.1.5 Port Particular interface, of the specified equipment, with the external electromagnetic environment. 3.1.6 RXQUAL Evaluation on received signal quality that is generated by mobile station, being taken as the basis for control and switching of radio-frequency power in mobile communication. 3.2 Abbreviations The following abbreviations are adopted in this Part.4 Test Conditions4.1 Universal Test Conditions and Configuration The test shall be carried out under normal test conditions specified in the relevant product standards. 4.2.3 Test arrangement at input port of receiver SS shall be located outside the test environment. 4.2.4 Test arrangement at output port of receiver The audio output of EUT shall be coupled via a nonmetallic acoustic tube to an audio analyzer outside the test environment and may also adopt other feasible methods, but they shall be recorded in the test report. 4.3 Test-exempted Frequency Band 4.4 Measurement Conditions for Spurious Emissions 4.4.1 Initialization of MS operating mode When measuring spurious emissions, the measurement shall be carried out when EUT is at the special and idle operating modes respectively. 4.5 Measurement Conditions and Arrangement for Continuous Emissions Measurement shall be carried out at the mode that EUT generates maximum emission during normal operation. 4.6 Immunity Test Conditions and Arrangement During the immunity test of transmitter, the transmitter shall operate at the maximum rated output power, normal test modulation shall be adopted, and communication link shall be established. 4.7 Narrow-band Response of Receiver and Transceiver The narrow-band responses on receiver and transceiver occurring during the tests at discrete frequencies are identified by the following method. 5 Performance Criteria EMC test system Converter Anechoic chamber Acoustic tube 5.1 Performance Evaluation Method The establishment and maintaining of communication link, the assessment of RXQUAL, the audio assessment by monitoring speech output signal level at the mobile and portable state as well as assessment of BLER when operating under the GPRS/EGPRS functions are taken as the performance criteria to ensure the basic functions of transmitter and receiver being assessed in the immunity test. Additionally, the test shall be carried out at the idle mode of transceiver or standby mode of transmitter so as to guarantee the transmitter not generating mis-operation. The maintaining of communication link shall be assessed through indicator which may be a part of SS or EUT. 5.2 Performance Criteria for Transmitter under Continuous Emissions In the test, communication link shall be established and maintained. 5.3 Performance Criteria for Transmitter under Transient Emissions In the test, communication link shall be established and maintained. 5.4 Performance Criteria for Receiver under Continuous Emissions In the test, communication link shall be established and maintained. 5.5 Performance Criteria for Receiver under Transient Emissions In the test, communication link shall be established and maintained. After the test, EUT shall be able to operate normally without communication quality reduction detectable to users, user control function loss or stored data loss, and also shall maintain communication link. 5.6 Performance Criteria under Discontinuity Condition In the test, performance degradation and function loss are allowable; EUT transmitter shall not generate unintentional transmitting at idle state.6 Applicability6.1 Measurement of Emission (See Table 2) 6.2 Immunity Test (See Table 3)7 Measurement Methods and Limits for Emissions7.1 Total Radiant Power Measurement shall be carried out according to YD/T 1484; both three-dimensional test chart and total radiant power value shall be recorded in the report. 7.2 Conducted Spurious Emissions This measurement item is applicable to EUT with permanent RF antenna connector. Measurement shall be carried out under the typical configuration of EUT or combination of EUT with its ancillary equipment. The measurement under the limit voltage condition will not be carried out on the EUT that cannot connect with external power supply. 7.2.1 Measurement methods 7.2.2 Limits 7.3 Radiated Spurious Emissions This measurement item is applicable to the enclosure port of EUT. Measurement shall be carried out under the typical configuration of EUT or combination of EUT with its ancillary equipment. 7.3.1 Measurement methods Refer to the relevant contents in YD/T 1483 for the measurement method of this item. 7.3.1.2 Idle mode 7.4 Enclosure Port of Ancillary Equipment This measurement item is applicable to the enclosure port of ancillary equipment. 7.4.1 Measurement methods When the ancillary equipment is measured together with EUT, both the radiated emission and spurious emission of the transmitter/transceiver operating frequency shall be neglected but shall be recorded in the test report. 7.4.2 Limits (see Table 13 and Table 14) 7.5 Telecommunication Port This measurement is applicable to transmitter, receiver, transceiver and their auxiliary equipment. 7.10 Transient Conducted Emissions (Input/Output Ports of DC Power Supply) 7.10.1 Measurement methods The test shall be carried out according to ISO 7637-2. 7.10.2 Limits Limits for transient conducted emissions of EUT are as shown in Table 18.8 Immunity Test Methods and Grades8.1 Electrostatic Discharge Immunity Test This test item is applicable to the MS for fixed, vehicular and portable use as well as its ancillary equipment. Test shall be carried out under the typical configuration of MS or combination of MS with its ancillary equipment. 8.2 Radiated Emission Immunity Test This test item is applicable to the MS for fixed, vehicular and portable use as well as its ancillary equipment. 8.4 Surge Immunity Test This test item is applicable to the MS for fixed use and its ancillary equipment. Test shall be carried out under the typical configuration of MS or combination of MS with its ancillary equipment. 8.5 Immunity Test of Conducted Emissions Induced by Radio-frequency Fields 8.6.2 Performance criteria 8.6.2.1 AC power supply performance criteria As for the voltage dip with 30% voltage drop and 10ms duration, the following performance criteria shall be adopted. 8.6.2.2 DC power supply performance criteria See Tables 20, 21 and 22 for the DC power supply performance criteria. Table 20 Test Grades and Performance Criteria for DC Power Supply Voltage Dip 8.8 Power Frequency Magnetic Field Immunity Test 8.8.1 Test method and grade This test item is applicable to the EUT fitted with sensor (such as CRT monitor, Hall device, electric microphone and magnetic field sensors) to magnetic field. Test method is stated in GB/T 17626.8. 8.8.2 Performance criteria As for the transmitter, the performance criteria in 5.2 shall be adopted. As for the receiver or the receiver as a part of transceiver, the performance criteria in 5.4 shall be adopted. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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