Publication: TIA-603-D Date: June 2009 Title: Land Mobile FM or PM ...

Publication: TIA-603-D Date: June 2009Title: Land Mobile FM or PM Communications Equipment Measurement and Performance StandardsAbstract:This standard provides definition, methods of measurement, and performance standards for radioequipment used in the Private (Dispatch) Land Mobile Services that employ Frequency Modulation (FM)or Phase Modulation (PM) for the transmission of voice or data. The standard is applicable toequipment operating at a frequency of 1 GHz or less.Table of Contents:1 INTRODUCTION 11.1 Scope 11.2 Object 11.2.1 Required Performance Standards 21.2.2 Performance Standards 21.3 Standard Definitions 21.3.1 Definitions of Physical Values 21.3.2 Common Definitions 21.3.2.1 Standard Continuous Duty Cycle for Mobile and Base Equipment 21.3.2.2 Standard Intermittent Duty Cycle for Mobile and Base Equipment 31.3.2.3 Standard Duty Cycle for Portable Equipment 31.3.3 Definitions for Receivers 31.3.3.1 Input Signal Level for Testing Receivers With Suitable AntennaTerminals 31.3.3.2 Standard Input Signal 41.3.3.3 Standard Input Signal Level 41.3.3.4 Standard Input Signal Frequency 41.3.3.5 Standard Modulation of an Input Signal 41.3.3.6 De emphasis 41.3.3.7 Squelch Condition 41.3.3.8 User Accessible Squelch 51.3.3.9 Rated Audio Frequency Output Power 51.3.3.10 Audio Frequency Output Load 51.3.3.11 Signal to Noise Ratio (SINAD) 51.3.3.12 Standard Signal to Noise Ratio (SINAD) 61.3.4 Definitions for Transmitters 61.3.4.1 Standard Transmitter Load 61.3.4.2 Standard Test Modulation 61.3.4.3 Pre-emphasis 61.3.4.4 Rated System Deviations, Authorized Bandwidths and TestBandwidths 71.3.5 Definitions for Subaudible Signaling 81.3.5.1 Subaudible Signaling Systems 81.3.5.2 CTCSS Code Frequencies 9

1.5.25 Lumped Constant Line Stretcher (LCLS) 301.5.26 Constant Impedance Line Stretcher (CILS) 301.5.27 Line Impedance Stabilization Network (LISN) 311.5.28 Variable dc Power Supply 311.5.29 Variable ac Power Supply 311.5.30 Standard Radiation Test Site (3 meter) 321.5.31 Standard Radiation Test Site (30 meter) 321.5.32 Acoustic Chamber 331.5.33 Adjacent Channel Power Analyzer 331.5.34 Modulation Domain Analyzer 341.5.35 Signal Preamplifier 341.5.36 Gigahertz Transverse Electromagnetic Cell (GTEM) 351.5.37 RF Anechoic Chamber 362 METHODS OF MEASUREMENT 372.1 Methods of Measurement for Receivers 372.1.1 Radiated Spurious Output Power 372.1.2 Conducted Spurious Output Power 402.1.3 Power Line Conducted Spurious Output Voltage 412.1.4 Reference Sensitivity 422.1.5 Signal Displacement Bandwidth 432.1.6 Adjacent Channel Rejection 442.1.7 Offset Channel Selectivity 452.1.8 Spurious Response Rejection 462.1.9 Intermodulation Rejection 482.1.10 Audio Frequency Response 492.1.11 Hum and Noise Ratio 502.1.12 Audio Distortion 512.1.13 Audio Squelch Sensitivity 522.1.14 Squelch Blocking 532.1.15 Receiver Attack Time 542.1.16 Receiver Closing Time 552.1.17 Audio Sensitivity 562.1.18 Impulse Blanking Effectiveness 572.1.19 Average Radiation Sensitivity 582.1.20 Acoustic Audio Output 592.1.21 Blocking Rejection 602.1.22 Receiver Opening Time After PTT 612.2 Methods of Measurement for Transmitters 632.2.1 Conducted Carrier Output Power Rating 632.2.2 Carrier Frequency Stability 642.2.3 Modulation Limiting 652.2.4 Carrier Attack Time 662.2.5 Audio Sensitivity 662.2.6 Audio Frequency Response 672.2.7 Audio Distortion 702.2.8 FM Hum and Noise Ratio 702.2.9 AM Hum and Noise Ratio 71

2.2.10 Acoustic Microphone Sensitivity 722.2.11 Sideband Spectrum 742.2.12 Unwanted Emissions: Radiated Spurious 762.2.13 Unwanted Emissions: Conducted Spurious 822.2.14 Unwanted Emissions: Adjacent Channel Power Ratio 842.2.15 Audio Low Pass Filter Response 882.2.16 Intermodulation Attenuation 892.2.17 Radiated Power Output 902.2.18 Transmitter Stability into VSWR 942.2.19 Transient Frequency Behavior 962.3 Methods of Measurement for Unit Characteristics 1002.3.1 Power Supply Voltage Range 1002.3.2 Temperature Range 1002.3.3 High Humidity 1012.3.4 Vibration Stability 1022.3.5 Shock Stability 1022.3.6 DC Supply Noise Susceptibility 1032.3.7 Battery Life 1032.3.8 Dimensions 1042.3.9 Weight 1042.4 Methods of Measurement for Subaudible Signaling 1062.4.1 Squelch Opening SINAD 1062.4.2 Receiver Audio Attack Time 1072.4.3 Receiver Audio Closing Time (with Squelch Tail Elimination disabled) 1082.4.4 Receiver Audio Attack Time with RF Carrier Frequency Offset 1092.4.5 Receiver Hum and Noise Ratio 1102.4.6 CTCSS Decoder Response Bandwidth 1112.4.7 False Response Rate 1122.4.8 Receiver Audio Response 1132.4.9 Squelch Tail Elimination 1142.4.10 Transmitter Modulation Limiting 1152.4.11 Encoder Response Time 1162.4.12 CTCSS Encoder Frequency 1172.4.13 CTCSS Tone Distortion 1182.4.14 Transmitter SINAD 1182.4.15 CDCSS Waveform Distortion 1202.4.16 Transmitter FM Hum and Noise Ratio 1212.4.17 Transmitter Subaudible Deviation 1222.4.18 Transmitter Squelch Tail Elimination Burst 1233 Standards for All Equipment 1253.1 Standards for Receivers 1263.1.1 Radiated Spurious Output Power (Per 47 CFR 15.109) 1263.1.2 Conducted Spurious Output Power (Per 47 CFR 15.111) 1273.1.3 Power Line Conducted Spurious Output Voltage (Per 47 CFR 15.107) 1273.1.4 Reference Sensitivity 1273.1.5 Signal Displacement Bandwidth 1283.1.6 Adjacent Channel Rejection 128

3.1.7 Offset Channel Selectivity 1283.1.8 Spurious Response Rejection 1293.1.9 Intermodulation Rejection 1293.1.10 Audio Frequency Response 1293.1.11 Hum and Noise Ratio 1303.1.12 Audio Distortion 1313.1.13 Audio Squelch Sensitivity 1313.1.14 Squelch Blocking 1323.1.15 Receiver Attack Time 1323.1.16 Receiver Closing Time 1323.1.17 Audio Sensitivity 1323.1.18 Impulse Blanking Effectiveness 1333.1.19 Average Radiation Sensitivity 1333.1.20 Acoustic Audio Output 1333.1.21 Blocking Rejection 1333.1.22 Receiver Opening Time after PTT 1343.2 Standards for Transmitters 1353.2.1 Conducted Carrier Output Power Rating (FCC 90) 1353.2.2 Carrier Frequency Stability (Per 47 CFR 90.213 and 90.539) 1353.2.3 Modulation Limiting 1363.2.4 Carrier Attack Time 1373.2.5 Audio Sensitivity 1373.2.6 Audio Frequency Response 1373.2.7 Audio Distortion 1383.2.8 FM Hum and Noise Ratio 1393.2.9 AM Hum and Noise Ratio 1393.2.10 Acoustic Microphone Sensitivity 1393.2.11 Sideband Spectrum (Per 47CFR 90.210 and 90.691) 1393.2.12 Undesired Emissions: Radiated Spurious 1453.2.13 Undesired Emissions: Conducted Spurious (Per 47 CFR 90.210 and 90.691) 1463.2.14 Undesired Emissions: Adjacent Channel Power Ratio 1473.2.15 Audio Low Pass Filter Response 1503.2.16 Intermodulation Attenuation 1513.2.17 Average Radiated Power Output 1523.2.18 Transmitter Stability into VSWR 1523.2.19 Transient Frequency Behavior of Transmitter (Per 47 CFR 90.214). 1533.3 Standards for Unit Characteristics 1563.3.1 Power Supply Voltage Range 1563.3.2 Temperature Range 1593.3.3 High Humidity 1613.3.4 Vibration Stability 1623.3.5 Shock Stability 1643.3.6 DC Supply Noise Susceptibility 1653.3.7 Battery Life - Portables Only 1663.3.8 Dimensions 1673.3.9 Weight 1683.4 Standards for Subaudible Signaling. 1693.4.1 Squelch Opening SINAD 169

3.4.2 Receive Audio Attack Time 1703.4.3 Receive Audio Closing Time (with Squelch Tail Elimination disabled) 1703.4.4 Receive Audio Attack Time with RF Carrier Frequency Offset 1713.4.5 Receiver Hum and Noise Ratio 1723.4.6 CTCSS Decoder Response Bandwidth 1733.4.7 False Response Rate 1733.4.8 Receiver Audio Response 1743.4.9 Squelch Tail Elimination 1743.4.10 Transmitter Modulation Limiting 1753.4.11 Encoder Response Time 1753.4.12 CTCSS Encoder Frequency 1763.4.13 CTCSS Tone Distortion 1763.4.14 Transmitter SINAD 1773.4.15 CDCSS Waveform Distortion 1773.4.16 Transmitter FM Hum and Noise 1783.4.17 Transmitter Subaudible Deviation 1793.4.18 Transmitter Squelch Tail Elimination Burst 1794 CHANGE HISTORY 1814.1 Chronology of revisions for TIA/EIA-603 181A ANNEX A (INFORMATIVE) - MEASUREMENT UNCERTAINTY 183A.1 Introduction 183A.2 Definitions 183A.2.1 Accuracy 183A.2.2 Measurand 183A.2.3 Error 183A.2.4 Bias and Systematic Error 184A.2.5 Random Error 184A.2.6 RSS Errors 184A.2.7 Precision 184A.2.8 Uncertainty 184A.2.9 Confidence Limits 184A.3 Principles for Calculating Measurement Uncertainties 185A.3.1 General 185A.3.2 Types of Errors 185A.3.2.1 Random Errors 185A.3.2.2 Bias Errors 185A.3.3 Propagation of Errors 187A.3.3.1 General 187A.3.3.2 Propagation of Random Errors 188A.3.4 Converting Power Errors Expressed in dB to Percentage 188A.3.5 Mismatch Uncertainty and Mismatch Loss 189A.3.6 Sensitivity of Transmitter Output to Load 190A.3.7 Correcting rms Measurements for the Effects of rms Residuals 191A.3.8 Correcting Peak Measurements for the Effects of Residuals 192A.4 Bibliography 194

B ANNEX B (INFORMATIVE) - EXAMPLE CALCULATIONS 195B.1 Example Calculations for Receiver Measurements 195B.1.1 Radiated Spurious Output Power 195B.1.2 Conducted Spurious Output Power 195B.1.3 Power Line Conducted Spurious Voltage 195B.1.4 Reference Sensitivity 196B.1.5 Signal Displacement Bandwidth 196B.1.6 Adjacent Channel Rejection 196B.1.7 Offset Channel Selectivity 197B.1.8 Spurious Response Rejection 197B.1.9 Intermodulation Rejection 197B.1.10 Audio Frequency Response 198B.1.11 Hum and Noise Ratio 198B.1.12 Audio Distortion 198B.1.13 Audio Squelch 198B.1.14 Squelch Blocking 199B.1.15 Receiver Attack Time 199B.1.16 Receiver Closing Time 199B.1.17 Audio Sensitivity 199B.1.18 Impulse Blanking Effectiveness 200B.1.19 Average Radiation Sensitivity 200B.1.20 Acoustic Audio Output 200B.1.21 Blocking Rejection 200B.1.22 Receiver Opening Time After PTT 201B.2 Example Calculations for Transmitter Measurements 202B.2.1 RF Output Power 202B.2.2 Carrier Frequency Stability 202B.2.3 Modulation Limiting 203B.2.4 Carrier Attack Time 203B.2.5 Audio Sensitivity 203B.2.6 Audio Frequency Response 203B.2.6.1 Uncertainty sources and estimates, Method 1: 203B.2.6.2 Uncertainty sources and estimates, Method 2: 204B.2.7 Audio Distortion 204B.2.8 FM Hum and Noise Ratio 204B.2.9 AM Hum and Noise Ratio 204B.2.10 Acoustic Microphone Sensitivity 205B.2.11 Sideband Spectrum 205B.2.12 Undesired Emissions: Radiated Spurious 205B.2.13 Undesired Emissions: Conducted Spurious 206B.2.14 Undesired Emissions: Adjacent Channel Power Ratio 206B.2.14.1 Uncertainty sources and estimates for Method 1 (spectrumanalyzer): 206B.2.14.2 Uncertainty sources and estimates for Method 2 (measuringreceiver): 206B.2.15 Low Pass Filter Response 207B.2.16 Intermodulation Attenuation 207B.2.17 Average Radiated Power Output 208

Return to TR-8.1 ProjectsB.2.18 Transmitter Stability into VSWR 208B.2.19 Transient Frequency Behavior 208