GSM Mobile Phone RF Test Guide (Formal) GSM Mobile Phone RF Test Guide Contents Preface 2 Chapter 1 Test Conditions 3 1.1 Normal Test Conditions 3 1.2 Extreme Test Conditions 3 1.3 Vibration Conditions 3 1.4 Other Test Conditions and Regulations 4 1.5 Appendix Requirements 5 Chapter 2 Transmitter Specifications and Tests 6 2.1 Transmitted Carrier Peak Power 6 2.2 Transmitted Carrier Frequency Envelope 11 2.3 Modulation Spectrum (Spectrum Due to Modulation) 15 2.4 Switching Spectrum (Spectrum Due to Switching) 18 2.5 Frequency Error (Frequency Error) 20 2.6 Phase Error (Phase Error) 22 2.7 Conducted Spurious Emissions (Conduct Spurious Emissions) 24 2.8 Transmitted Peak Current and Average Current 27 Chapter 3 Receiver Specifications and Tests 29 3.1 Receiver Sensitivity (Rx Sensitivity) 29 3.2 Received Signal Indication Level (RX Level) 33 3.3 Received Signal Indicator Quality (RX Quality) 35 Chapter 4 Other Test Supplements 38 4.1 Impact of RC Filter Circuit on PA-RAMP 38 4.2 PA Matching Adjustment 42 4.3 Antenna Switch Index Test 42 Chapter 5 Appendix 44 Preface At present, the country is paying more and more attention to the quality of mobile phones, and the company is also paying attention to customer satisfaction and return rate of mobile phone quality. Among them, the RF problem of GSM mobile phones is still a major factor affecting mobile phone quality, development progress and production efficiency...
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