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GB/T 19484.1-2013: Requirements and measurement methods of electromagnetic compatibility for 800MHz/2GHz cdma2000 digital cellular mobile telecommunications system - Part 1: User equipment 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 GB/T 19484.1: Historical versions
Similar standardsGB/T 19484.1-2013: Requirements and measurement methods of electromagnetic compatibility for 800MHz/2GHz cdma2000 digital cellular mobile telecommunications system - Part 1: User equipment 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/GBT19484.1-2013 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 33.100 L 06 Replacing GB 19484.1-2004 Requirements and Measurement Methods of Electromagnetic Compatibility for 800 MHz/2 GHz cdma2000 Digital Cellular Mobile Telecommunications System - Part 1: User Equipment and Ancillary Equipment ISSUED ON: NOVEMBER 12, 2013 IMPLEMENTED ON: FEBRUARY 1, 2014 Issued by: General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative References ... 5 3 Terms, Definitions and Abbreviations ... 6 4 Test Conditions ... 9 5 Performance Evaluation Methods ... 17 6 Performance Criteria ... 17 7 Applicability ... 18 8 Disturbance Measurement Methods and Limits ... 20 9 Test Methods and Levels of Immunity ... 26 Requirements and Measurement Methods of Electromagnetic Compatibility for 800 MHz/2 GHz cdma2000 Digital Cellular Mobile Telecommunications System - Part 1: User Equipment and Ancillary Equipment1 ScopeThis Part of GB/T 19484 specifies the electromagnetic compatibility requirements for user equipment (UE) and ancillary equipment of 800 MHz and 2 GHz cdma2000 digital cellular mobile telecommunications system, including measurement methods, limits and performance criteria, etc. This Part is applicable to CDMA, CDMA1X, cdma2000 and cdma2000 HRPD user equipment that transmits and receives voice and / or data, including portable and vehicle-mounted user equipment, as well as user equipment powered by AC power and used in fixed locations, etc.2 Normative ReferencesThe following documents are indispensable to the application of this document. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 6113.104-2008 Specification for Radio Disturbance and Immunity Measuring Apparatus and Methods - Part 1-4: Radio Disturbance and Immunity Measuring Apparatus - Ancillary Equipment - Radiated Disturbances GB 9254-2008 Information Technology Equipment - Radio Disturbance Characteristics - Limits and Methods of Measurement GB 17625.1-2012 Electromagnetic Compatibility - Limits - Limits for Harmonic Current Emissions (equipment input current 16 A per phase) GB 17625.2-2007 Electromagnetic Compatibility (EMC) - Limits - Limitation of Voltage Changes, Voltage Fluctuations and Flicker in Public Low-voltage Supply Systems, for Equipment with Rated Current 16 A Per Phase and Not Subject to Conditional Connection GB/T 17626.2-2006 Electromagnetic Compatibility - Testing and Measurement Techniques - Electrostatic Discharge Immunity Test4 Test Conditions4.1 General Conditions EUT shall be tested under normal test environment. The test conditions shall be recorded in the report. When EUT has a detachable antenna, unless otherwise specified in this Part, the antenna shall be mounted in the same mode as in normal use for the test. The test layout shall be as close as possible to normal or typical actual operating conditions. If EUT is part of a system or is connected to ancillary equipment, then, during the test, EUT shall be connected to the minimum typical configuration of ancillary equipment, and the ports connected to the ancillary equipment shall be activated. During the test, the operating mode and configuration shall be accurately recorded in the test report. If the equipment has a large number of ports, a sufficient number of ports shall be selected to ensure that actual conditions can be simulated and that different types of ports can be tested. Before the test, UE shall be in the maximum power transmission state, and its maximum total radiated power value shall be confirmed. The test method shall refer to YD/T 1484, and the test results shall be recorded in the test report. 4.2 Test Layout Under full-rate transmission conditions, EUT establishes a communication connection with a suitable base station simulator. The base station simulator shall be outside the test environment. The immunity test for mobile and handheld radio terminals needs to be separately conducted in the following two modes: ---business mode; ---idle mode. When EUT establishes business mode, it is necessary to use the loopback service option to establish a connection, and satisfy the following conditions: ---EUT transmits at maximum power; ---Prohibit “variable rate data transmission”; ---EUT is transmitting at maximum data rate. In idle mode, EUT needs to satisfy the following conditions: ---EUT receiver is set to CDMA single mode; ---The test system shall simulate a base station and establish a paging channel (either a fast-paging channel or a forward common control channel) and a broadcast control channel in a carrier frequency. UE is already synchronized and can respond to the base station’s paging signal. UE shall not initiate calls, re-register or send information. There shall be adequate measures to ensure that anti-interference RF signals will not be applied to the measurement equipment. 4.2.1 Test layout of transmitter input terminal Through an appropriate normal modulation signal generated by an internal or external signal source, enter the transmitter input terminal. The external signal source shall be located outside the test environment. SS shall ensure that EUT continuously transmits. 4.2.2 Test layout of transmitter output terminal SS shall be placed outside the test environment. If EUT contains an external 50 RF antenna port, and in actual application, this port is usually connected through a coaxial cable, during the test process, the useful signal for establishing a communication connection shall be fed out from this port through the coaxial cable. If EUT contains an external 50 RF antenna port, and in actual application, this port is usually not connected to a coaxial cable, or if EUT does not contain an external 50 RF antenna port (for example, the integral antenna equipment), then, during the test process, the useful signal for establishing a communication connection shall be fed out through the antenna within the test environment. During measurement, the influence of disturbance signals on the measurement equipment shall be avoided. 4.2.3 Test layout of receiver input terminal SS shall be placed outside the test environment. The useful RF input signal frequency that provides the communication link is selected by setting the correct UTRA ARFCN, unless otherwise specified in other parts of this Standard, during the test, the UTRA ARFCN corresponding to the center frequency of the operating frequency band shall be selected. If EUT contains an external 50 RF antenna port, and this port is usually connected through a coaxial cable, the useful signal for establishing a communication connection shall be fed in from this port through the coaxial cable. If EUT contains an external 50 RF antenna port, and this port is usually not connected to a coaxial cable, or if EUT does not contain an external 50 RF antenna port (for example, the integral antenna equipment), then, the useful signal for establishing a communication connection shall be fed in through the antenna within the test environment. During measurement, the influence of disturbance signals on the measurement equipment shall be avoided. In the immunity test, the electrical level of the useful RF input signal providing the communication link shall be 40 dB above the reference sensitivity level of EUT. The electrical level of the input signal shall be recorded in the test report. In the disturbance measurement, the electrical level of the useful RF input signal shall not exceed the reference sensitivity level by 15 dB. The electrical level of the input signal shall be recorded in the test report. 4.2.4 Test layout of receiver output terminal For the voice function of the equipment, the audio output of the receiver shall be connected through a non-conductive acoustic tube to an audio distortion analyzer or other similar measurement instruments located outside the test environment. For situations where the non- conductive acoustic tube cannot be used, other methods can be adopted to connect the output of the receiver to an audio distortion analyzer or other similar measurement instruments, and this shall be recorded in the test report. For the non-voice function of the equipment, the output signal of the receiver shall be connected through a non-conductive method to the test equipment located outside the test environment. If the receiver has a receiver output connector or port, then, the cable shall be connected as in normal operation of EUT to the test equipment located outside the test environment. Measures shall be taken to minimize the influence of coupling on test results. 4.3 Test-exempt Frequency Band The test-exempt frequency band refers to the frequency band exempted from the radiated immunity test. There is no test-exempt frequency band for ancillary equipment. 4.3.1 Test-exempt frequency band of transmitter The test-exempt frequency band of transmitter is the center frequency of the current radio frequency transmission carrier frequency 2.5 times the channel bandwidth. 4.3.2 Test-exempt frequency band of receiver The low-end frequency of the test-exempt frequency band of the receiver and the receiving part of the receiver / transmitter is the low-end frequency of the receiving frequency band of the5 Performance Evaluation Methods5.1 General Rules See 5.1 of GB/T 22451-2008. The bandwidth of the intermediate-frequency filter before the receiver demodulator described in 5.1 of GB/T 22451-2008 is not applicable to the radio equipment in this Part. 5.2 EUT Capable of Establishing Continuous Communication Connection See 5.2 of GB/T 22451-2008. 5.3 EUT Incapable of Establishing Continuous Communication Connection See 5.3 of GB/T 22451-2008. 5.4 Suitable Methods for Evaluating Ancillary Equipment See 5.4 of GB/T 22451-2008. The ancillary equipment shall be tested for its connection to UE, so as to ensure that the combined utilization of the ancillary equipment and UE can comply with the requirements of relevant chapters of this Part. 5.5 EUT Classification See 5.5 of GB/T 22451-2008.6 Performance Criteria6.1 General Rules EUT shall comply with the minimum performance criteria specified in 6.2 and 6.3 below. Maintenance of communication connections shall be evaluated by an indicator, which may be part of SS or EUT. For the immunity test of ancillary equipment, if there is no independent pass / fail criterion, then, it must be connected with the transmitter, receiver or receiver / transmitter to determine the pass / fail or the ancillary equipment. UE powered by vehicle power supply shall also satisfy the stipulations of vehicle-mounted UE in this Part. UE powered by AC power shall also satisfy the stipulations of fixed stations in this Part. 6.2 Performance Criterion A (continuous phenomenon) During the test, communication connections shall be established and maintained. For digital signal transmission mode, the following performance criteria shall be followed: At a data transmission rate of 9.6 kbps, FER does not exceed 0.5% at the 95% confidence level; When the reverse rate is 307.2 kbps (2 slots/packet), PER does not exceed 0.5% at the 95% confidence level; For voice signal transmission mode, for EUT, when measured through an audio BPF with a CF of 1 kHz and a BW of 200 Hz, the uplink and downlink voice output electrical levels shall be at least 35 dB below the recorded reference electrical level. After the test, EUT shall normally operate, without loss of user control functions or loss of stored data, and it shall maintain communication connections. In addition to confirming the above-mentioned performance during the communication process, test in idle mode shall also be conducted. During the test, the transmitter shall not malfunction. If EUT is a simple transmitter, the test shall also be conducted in idle mode, and EUT shall not malfunction during the test. 6.3 Performance Criterion B (transient phenomenon) During the test, communication connections shall be established and maintained. After the test, EUT shall normally operate, without user-perceptible degradation of communication quality, loss of user control functions or loss of stored data, and it shall maintain communication connections. In addition to confirming the above-mentioned performance during the communication process, test in idle mode shall also be conducted, and the transmitter shall not malfunction. If EUT is a simple transmitter, the test shall also be conducted in idle mode, and EUT shall not malfunction during the test. 6.4 Performance Criterion C (discontinuity phenomenon) During the test, performance may be allowed to be degraded and functions may be lost; EUT transmitter shall not generate unintentional emissions when in an idle state. After the test, the function may be restored by the operator. After restoration, the performance is not degraded and EUT can normally operate.7 Applicability7.1 Disturbance Measurement The disturbance measurement items are shown in Table 1. 9.4 Surge (impact) Immunity Test 9.4.1 Test method and level The test shall be carried out in accordance with GB/T 17626.5-2008. Meanwhile, it shall satisfy the following requirements: a) For the AC power port, the electrical test level shall be 2 kV (line to ground) and 1 kV (line to line); b) For telecommunications ports directly connected to outdoor cables, the electrical test level shall be 1 kV (line to ground), but if EUT is a telecommunications center equipment, the electrical test level shall be 0.5 kV (line to ground); for telecommunications ports connected to indoor cables and with a connecting cable length greater than 10 m, the electrical test level shall be 0.5 kV (line to ground). c) On the DC power line, the electrical test level shall be 1 kV (line to ground) and 0.5 kV (line to line). d) The test pulse waveform is 1.2/50 s. 9.4.2 Performance criterion The performance criterion B of 6.3 applies to this clause. 9.5 Conducted Disturbance Immunity Test, Induced by Radio-frequency Fields 9.5.1 Test method and level This test item is applicable to AC power input / output port of fixed, vehicle-mounted and ancillary equipment. If the connecting cable of their signal / telecom / control ports and / DC power ports exceeds 3 m, this test item shall also be carried out. The test shall be carried out in accordance with GB/T 17626.6-2008, and shall satisfy the following requirements: a) The CDN direct injection method is preferred for the test. If the direct injection method is not applicable, then, the clamp injection method (electromagnetic clamp or current clamp) shall be adopted; b) The test signal is 80% amplitude modulated by a 1 kHz audio signal; c) Within the frequency range of 150 kHz ~ 80 MHz, the step size of frequency increase does not exceed 1% of the previous frequency; d) The electrical test level is 3 V rms. 9.5.2 Performance criterion The performance criterion A of 6.2 applies to this clause. 9.6 Power Frequency Magnetic Field Immunity Test 9.6.1 Test method and level This test item is applicable to EUT equipped with devices sensitive to magnetic fields. For the test method, see GB/T 17626.8-2008. The test level is 3 A/m. 9.6.2 Performance criterion The performance criterion A of 6.2 applies to this clause. 9.7 Voltage Dips, Short Interruptions and Voltage Variations Immunity Test 9.7.1 Test methods 9.7.1.1 Test method and level for AC power For the test method, see IEC 61000-4-11. The test level shall be: a) The power supply voltage drops to 0%, with a duration of 10 ms; b) The power supply voltage drops to 0%, with a duration of 20 ms; c) The power supply voltage drops to 70%, with a duration of 500 ms; d) The power supply voltage drops to 0%, with a duration of 5,000 ms. 9.7.1.2 Test method and level for DC power For the test method, see GB/T 17626.29-2006. If EUT has a backup power supply or dual- circuit power supply, then, the test shall be carried out with the backup power supply or dual- circuit power supply working. See 9.7.2.2 for the test level. 9.7.2 Performance criteria 9.7.2.1 Performance criterion for AC power For the voltage dips test with a voltage dropping to 0% with a duration of 10 ms and 20 ms and the voltage dips test with a voltage dropping to 70% with a duration of 500 ms, and when EUT is equipped with a backup battery or connected to a backup battery, the voltage interruption test with a voltage dropping to 0% with a duration of 5,000 ms, the following performance criteria shall be satisfied: For UE and its ancillary equipment, the performance criteria of 6.2 and / or 6.4 apply. If EUT is powered by AC power only (no backup battery is used), when conducting a voltage interruption test with a voltage dropping to 0% with a duration of 5,000 ms, the following ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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