Rohde & Schwarz SMIQ02B - Page 29

Contents SMIQ
1125.5610.12 8 E-9
2.21 Arbitrary Waveform Generator ARB ................................................................................ 2.341
2.21.1 Function................................................................................................................ 2.341
2.19.1.1 Use of WinIQSIM.................................................................................. 2.344
2.21.2 ARB MOD Menu................................................................................................... 2.345
2.21.2.1 ARB MOD - TRIGGER Menu ............................................................... 2.347
2.21.2.2 ARB MOD - SELECT WAVEFORM Menu ........................................... 2.349
2.21.2.3 ARB MOD - DELETE WAVEFORM Menu ........................................... 2.352
2.21.2.4 ARB MOD - SET SMIQ ACCORDING TO WAVEFORM Menu.......... 2.352
2.21.2.5 ARB MOD - CLOCK... Menu................................................................ 2.354
2.21.2.6 ARB MOD - IQ OUTPUT... Menu ......................................................... 2.355
2.22 External Modulation Source AMIQ................................................................................... 2.356
2.23 Bit Error Rate Test............................................................................................................. 2.368
2.23.1 Bit Error Rate Measurement with PN Sequences (BER) ..................................... 2.369
2.23.1.1 Operating Menu.................................................................................... 2.369
2.23.1.2 Signal Path and Waveform................................................................... 2.373
2.23.1.3 Test Method.......................................................................................... 2.374
PRBS Polynomials................................................................................ 2.375
Measurement Result, Accuracy, Measurement Time........................... 2.376
Possible Problems with BER Measurement and Related Solutions ..... 2.377
2.23.2 Block Error Rate Measurement (BLER)............................................................... 2.378
2.23.2.1 Operating Menu.................................................................................... 2.378
2.23.2.2 CRC Polynomial.................................................................................... 2.380
2.23.2.3 Measurement Result, Accuracy, Measurement Time........................... 2.380
2.23.2.4 Possible BLER Measurement Problems and Solutions........................ 2.382
2.24 Noise Generator and Distortion Simulator...................................................................... 2.383
2.24.1 Setting NOISE/DIST Menu................................................................................... 2.384
2.24.2 Loading New Distortion Characteristics ............................................................... 2.387
2.24.3 Level Correction of the Distortion Simulator......................................................... 2.388
2.24.4 Calculation of the Distortion Characteristic from Polynomial Equations .............. 2.390
2.25 LF Output ........................................................................................................................... 2.391
2.26 Sweep ................................................................................................................................. 2.392
2.26.1 Setting the Sweep Range (START, STOP, CENTER and SPAN)....................... 2.392
2.26.2 Selecting the Sweep Run (SPACING LIN, LOG) ................................................. 2.393
2.26.3 Operating Modes (MODE) ................................................................................... 2.393
2.26.4 Trigger Input......................................................................................................... 2.394
2.26.5 Sweep Outputs..................................................................................................... 2.394
2.26.6 RF Sweep............................................................................................................. 2.396
2.26.7 LEVEL Sweep ...................................................................................................... 2.398
2.26.8 LF Sweep ............................................................................................................. 2.399
2.27 LIST Mode .......................................................................................................................... 2.401
2.27.1 Operating Modes (MODE) ................................................................................... 2.401
2.27.2 Inputs/Outputs...................................................................................................... 2.402
2.28 Memory Sequence............................................................................................................. 2.406