Rohde & Schwarz SMIQ02B - Page 34

SMIQ Contents
1125.5610.12 13 E-9
5 Checking the Rated Characteristics.................................................................. 5.2
5.1 Test Equipment and Test Assemblies................................................................................. 5.2
5.1.1 Measuring Equipment and Accessories................................................................... 5.2
5.1.2 Test Assemblies....................................................................................................... 5.3
5.1.2.1 Standard Test Assembly for Analog Modulations..................................... 5.3
5.1.2.2 Test Assembly for Analog Modulations with Audio Analyzer.................... 5.5
5.1.2.3 Test Assembly for Broadband FM ............................................................ 5.5
5.1.2.4 Test Assembly for Pulse Modulation ........................................................ 5.6
5.1.2.5 Test Assembly for Vector Modulation....................................................... 5.6
5.1.2.6 Test Assembly for SSB Phase Noise ....................................................... 5.7
5.1.2.7 Test Assembly for Output Impedance (VSWR)........................................ 5.7
5.1.2.8 Test Assembly with Spectrum Analyzer for Fading Simulation................. 5.8
5.1.2.9 Test Assembly with Sampling Oscilloscope for Fading Simulation .......... 5.8
5.1.2.10 Test Assembly for Amplitude Settling....................................................... 5.8
5.2 Preparation, Recommended Test Frequencies and Levels .............................................. 5.9
5.3 Test Procedures .................................................................................................................. 5.10
5.3.1 Display and Keyboard ............................................................................................ 5.10
5.3.2 Frequency .............................................................................................................. 5.10
5.3.2.1 Frequency Setting................................................................................... 5.10
5.3.1.2 Settling Time........................................................................................... 5.12
5.3.1.3 Setting Time LIST MODE ....................................................................... 5.14
5.3.3 Reference Frequency............................................................................................. 5.15
5.3.1.1 Output of Internal Reference .................................................................. 5.15
5.3.1.2 Input for External Reference................................................................... 5.15
5.3.4 Level....................................................................................................................... 5.15
5.3.4.1 Level Uncertainty .................................................................................... 5.15
5.31.1.2 Output Impedance .................................................................................. 5.17
5.3.1.3 Settling Time........................................................................................... 5.18
5.31.1.4 Non-Interrupting Level Setting (ATTENUATOR MODE FIXED)............. 5.20
5.3.1.5 Overvoltage Protection (if provided) ....................................................... 5.21
5.3.5 Spectral Purity........................................................................................................ 5.21
5.3.5.1 Harmonics............................................................................................... 5.21
5.3.1.2 Subharmonics......................................................................................... 5.22
5.3.1.3 Nonharmonics......................................................................................... 5.22
5.3.1.4 Broadband Noise .................................................................................... 5.25
5.3.1.5 SSB Phase Noise ...................................................................................5.26
5.3.1.6 Residual FM............................................................................................ 5.27
5.3.1.7 Residual AM............................................................................................ 5.27
5.3.6 Sweep .................................................................................................................... 5.27
5.3.7 Internal Modulation Generator................................................................................ 5.28
5.3.8 Vector Modulation ..................................................................................................5.29
5.3.8.1 Input Impedance (VSWR)....................................................................... 5.29
5.3.1.2 Maximum Level....................................................................................... 5.29
5.3.1.3 Error Vector............................................................................................. 5.30
5.3.1.4 Modulation Frequency Response ........................................................... 5.30
5.3.1.5 Residual Carrier and Leakage................................................................ 5.31
5.3.1.6 I/Q Imbalance ......................................................................................... 5.32
5.3.1.7 Level Control POW RAMP...................................................................... 5.33
5.3.9 Amplitude Modulation............................................................................................. 5.35
5.3.9.1 Modulation Depth Setting........................................................................ 5.35