Rohde & Schwarz SME02 User manual

1039.1856.12-14- 1
Test and Measurement
Division
Operating Manual
SIGNAL GENERATOR
SME02
1038.6002.02
SME03
1038.6002.03
SME03E
1038.6002.13
SME03A
1038.6002.53
SME06
1038.6002.06
Printed in the Federal
Republic of Germany

SME Tabbed Divider Overview
1039.1856.12 RE E-1
Tabbed Divider Overview
Certificate of quality
List of R & S Representatives
Safety Instructions
Contents
Data Sheet
EC Certificate of Conformity
Tabbed Divider
1 Chapter 1: Preparation for Use
2 Chapter 2: Manual Operation
3 Chapter 3: Remote Control
4 Chapter 4: Maintenance
5 Chapter 5: Performance Test
6 Annex A: Interfaces
7 Annex B: List of Error Messages
8 Annex C: List of Commands
9 Annex D: Programming Example
10 Index

SME Contents
1039.1856.12 3 E-13
Contents
1 Preparation for Use.............................................................................................1.1
1.1 Putting into Operation...........................................................................................................1.1
1.1.1 Supply Voltage............................................................................................................1.1
1.1.2 Switching On/Off the Instrument.................................................................................1.1
1.1.3 Initial Status ................................................................................................................1.2
1.1.4 Setting Contrast and Brightness of the Display ..........................................................1.2
1.1.5 RAM With Battery Back-Up ........................................................................................1.2
1.1.6 Preset Setting .............................................................................................................1.3
1.2 Functional Test......................................................................................................................1.3
1.3 Fitting the Options.................................................................................................................1.4
1.3.1 Opening the Casing.................................................................................................... 1.4
1.3.2 Overview of the Slots..................................................................................................1.5
1.3.3 Option SM-B1 - Reference Oscillator OCXO..............................................................1.5
1.3.4 Option SM-B2 - LF Generator.....................................................................................1.6
1.3.5 Options SM-B3, SM-B8 and SM-B9 - Pulse Modulator 1.5, 3 and 6 GHz..................1.7
1.3.6 Option SM-B4 - Pulse Generator................................................................................ 1.7
1.3.7 Option SM-B5 - FM/PM Modulator..............................................................................1.7
1.3.8 Option SM-B6 - Multifunction Generator..................................................................... 1.9
1.3.9 Option SME-B11 - DM-Coder.....................................................................................1.9
1.3.10 Option SME-B12 - DM Memory Extension ...............................................................1.11
1.3.11 Option SME-B19 - Rear Panel Connections for RF and LF .....................................1.11
1.3.12 Options SME-B41 - FLEX Protocol - and SME-B42 - POCSAG ..............................1.11
1.3.13 Cabling of the 50-MHz Reference (REF50).............................................................. 1.12
1.4 Mounting into a 19" Rack ...................................................................................................1.12
2 Operation .............................................................................................................2.1
2.1 Explanation of Front and Rear Panel................................................................................... 2.1
2.1.1 Elements of the Front Panel.......................................................................................2.1
2.1.1.1 Display.........................................................................................................2.1
2.1.1.2 Controls....................................................................................................... 2.3
2.1.1.3 Inputs/Outputs........................................................................................... 2.11
2.1.2 Elements of the Rear Panel......................................................................................2.13
2.2 Operating Concept ..............................................................................................................2.18
2.2.1 Display......................................................................................................................2.18
2.2.3 Basic Operating Steps..............................................................................................2.19
2.2.3.1 Calling the Menus......................................................................................2.19
2.2.3.2 Selection and Change of Parameters .......................................................2.20
2.2.3.3 Triggering Action ....................................................................................... 2.21
2.2.3.4 Quick Selection of Menu (QUICK SELECT).............................................. 2.21
2.2.3.5 Use of [FREQ] and [LEVEL] Keys.............................................................2.22
2.2.3.6 Use of [RF ON / OFF] and [MOD ON / OFF] Keys....................................2.22
2.2.3.7 Changing Unit of Level..............................................................................2.22

Contents SME
1039.1856.12 4 E-13
2.2.3.8 Correction of Input..................................................................................... 2.23
2.2.4 Sample Setting for First Users..................................................................................2.23
2.2.4 List Editor..................................................................................................................2.28
2.2.4.1 Select and Generate - SELECT LIST........................................................ 2.29
2.2.4.2 Deletion of Lists - DELETE LIST...............................................................2.30
2.2.4.3 Edition of Lists...........................................................................................2.31
2.2.4.4 Pattern Setting to Operate the List Editor..................................................2.35
2.2.5 Save/Recall - Storing/Calling of Instrument Settings..............................................2.39
2.3 Menu Summary....................................................................................................................2.40
2.4 RF Frequency....................................................................................................................... 2.41
2.4.1 Frequency Offset ......................................................................................................2.42
2.5 RF Level................................................................................................................................2.43
2.5.1 Level Offset...............................................................................................................2.45
2.5.2 Interrupt-free Level Setting ....................................................................................... 2.45
2.5.3 Switching On/Off Internal Level Control....................................................................2.46
2.5.4 Internal Level Control - Bandwidth Selection............................................................2.47
2.5.5 User Correction (UCOR)...........................................................................................2.47
2.5.6 EMF ..........................................................................................................................2.49
2.5.7 [RF ON / OFF]-Key...................................................................................................2.49
2.5.8 Reset Overload Protection (only SME02 and SME03)............................................. 2.49
2.6 Modulation ...........................................................................................................................2.50
2.6.1 Modulation Sources..................................................................................................2.50
2.6.1.1 Simultaneous Modulation..........................................................................2.51
2.6.1.2 Alternate Switching Off of Modulations ..................................................... 2.51
2.6.1.3 [MOD ON/OFF] Key ..................................................................................2.52
2.6.2 Analog Modulation....................................................................................................2.53
2.6.2.1 LF-Generator.............................................................................................2.53
2.6.2.2 Amplitude Modulation................................................................................2.54
2.6.2.3 Frequency Modulation...............................................................................2.56
2.6.2.3.1 FM Deviation Limits.................................................................2.57
2.6.2.3.2 Preemphasis ...........................................................................2.57
2.6.2.4 Phase Modulation......................................................................................2.58
2.6.2.4.1 PM Deviation Limits.................................................................2.59
2.6.2.5 Pulse Modulation.......................................................................................2.60
2.6.2.5.1 Pulse Generator ...................................................................... 2.60
2.6.2.6 Stereo Modulation .....................................................................................2.63
2.6.2.7 VOR- / ILS-Test Signals............................................................................2.64
2.6.2.7.1 VOR Modulation......................................................................2.65
2.6.2.7.2 ILS-Glide Slope Modulation (ILS-GS)...................................... 2.68
2.6.2.7.3 ILS-Localizer Modulation (ILS-LOC)........................................2.72
2.6.2.7.4 Marker Beacon........................................................................2.76
2.6.3 Digital Modulation .....................................................................................................2.78
2.6.3.1 Data Generator..........................................................................................2.79
2.6.3.2 PRBS Generator........................................................................................2.80
2.6.3.3 DM Memory Extension, Option SME-B12.................................................2.81
2.6.3.3.1 Recording a Data Sequence from an External Source ...........2.84
2.6.3.4 External Data Sources ..............................................................................2.86
2.6.3.5 GMSK Modulation .....................................................................................2.87
2.6.3.6 GFSK Modulation......................................................................................2.89
2.6.3.7 QPSK Modulation......................................................................................2.91

SME Contents
1039.1856.12 5 E-13
2.6.3.8 FSK Modulation.........................................................................................2.94
2.6.3.9 4FSK Modulation.......................................................................................2.97
2.6.3.10 FFSK Modulation.....................................................................................2.100
2.6.3.11 Radiocommunication Service ERMES....................................................2.102
2.6.3.12 Radiocommunication Service FLEX........................................................2.107
2.6.3.13 Radiocommunication Service ReFLEX25...............................................2.116
2.6.3.14 Radiocommunication Service POCSAG .................................................2.127
2.7 LF-Output ........................................................................................................................... 2.132
2.8 Sweep .................................................................................................................................2.134
2.8.1 Setting the Sweep Range (START, STOP, CENTER and SPAN) .........................2.134
2.8.2 Selecting the Sweep Run (SPACING LIN, LOG)....................................................2.135
2.8.3 Operating Modes (MODE)......................................................................................2.135
2.8.4 Trigger Input ........................................................................................................... 2.136
2.8.5 Sweep Outputs .......................................................................................................2.136
2.8.6 RF-Sweep...............................................................................................................2.138
2.8.7 LEVEL Sweep.........................................................................................................2.140
2.8.8 LF-Sweep................................................................................................................2.141
2.9 LIST Mode ..........................................................................................................................2.143
2.9.1 Operating Modes (MODE)......................................................................................2.143
2.9.2 Inputs/Outputs ........................................................................................................2.144
2.10 Memory Sequence............................................................................................................. 2.148
2.11 Utilities................................................................................................................................2.152
2.11.1 IEC-Bus Address (SYSTEM-GPIB)........................................................................ 2.152
2.11.2 Parameter of the RS232 Interface (SYSTEM-RS232) ...........................................2.153
2.11.3 Suppressing Indications and Deleting Memories (SYSTEM-SECURITY)..............2.154
2.11.4 Indication of the IEC-Bus Language (LANGUAGE)................................................2.155
2.11.5 Reference Frequency Internal/External (REF OSC)...............................................2.155
2.11.6 Phase of the Output Signal (PHASE) .....................................................................2.156
2.11.7 Password Input With Functions Protected (PROTECT).........................................2.157
2.11.8 Calibration (CALIB)................................................................................................. 2.158
2.11.9 Indications of Module Variants (DIAG-CONFIG).................................................... 2.162
2.11.10 Voltage Indication of Test Points (DIAG-TPOINT) .................................................2.163
2.11.11 Indications of Service Data (DIAG-PARAM)...........................................................2.164
2.11.12 Test (TEST)............................................................................................................ 2.164
2.11.13 Assigning Modulations to the [MOD ON/OFF] Key (MOD-KEY).............................2.165
2.11.14 Setting Auxiliary Inputs/Outputs (AUX-I / O)...........................................................2.166
2.11.15 Switching On/Off Beeper (BEEPER) ......................................................................2.167
2.11.16 Installation of Software Option................................................................................2.168
2.12 The Help System................................................................................................................2.169
2.13 Status..................................................................................................................................2.169
2.14 Error Messages..................................................................................................................2.170

Contents SME
1039.1856.12 6 E-13
3 Remote Control....................................................................................................3.1
3.1 Introduction............................................................................................................................ 3.1
3.2 Brief Instructions................................................................................................................... 3.1
3.2.1 IEC-Bus.......................................................................................................................3.1
3.2.2 RS-232 Interface.........................................................................................................3.2
3.3 Switchover to Remote Control............................................................................................. 3.2
3.3.1 Remote Control via IEC Bus....................................................................................... 3.3
3.3.1.1 Setting the Device Address.........................................................................3.3
3.3.1.2 Indications during Remote Control..............................................................3.3
3.3.1.3 Querying the Error Status............................................................................3.3
3.3.1.4 Return to Manual Operation........................................................................3.3
3.3.2 Remote Control via RS-232-Interface.........................................................................3.4
3.3.2.1 Setting the Transmission Parameters.........................................................3.4
3.3.2.2 Indications during Remote Control..............................................................3.4
3.3.2.3 Return to Manual Operating........................................................................3.4
3.4 Messages ...............................................................................................................................3.4
3.4.1 Interface Message......................................................................................................3.4
3.4.2 Device Messages (Commands and Device Responses) ...........................................3.5
3.5 Structure and Syntax of the Device Messages...................................................................3.5
3.5.1 SCPI Introduction........................................................................................................3.5
3.5.2 Structure of a Command ............................................................................................3.6
3.5.3 Structure of a Command Line..................................................................................... 3.8
3.5.4 Responses to Queries................................................................................................ 3.8
3.5.5 Parameter...................................................................................................................3.9
3.5.6 Overview of Syntax Elements................................................................................... 3.11
3.6 Description of Commands..................................................................................................3.12
3.6.1 Notation.....................................................................................................................3.12
3.6.2 Common Commands................................................................................................3.14
3.6.3 ABORt System..........................................................................................................3.17
3.6.4 CALibration-System..................................................................................................3.18
3.6.5 DIAGnostic-System ..................................................................................................3.21
3.6.6 DISPLAY-System......................................................................................................3.24
3.6.7 FORMat-System.......................................................................................................3.25
3.6.8 MEMory System........................................................................................................3.26
3.6.9 OUTPut-System........................................................................................................3.26
3.6.10 OUTPut2 System......................................................................................................3.28
3.6.11 SOURce-System ......................................................................................................3.29
3.6.11.1 SOURce:AM Subsystem........................................................................... 3.30
3.6.11.2 SOURce:CORRection Subsystem ............................................................ 3.32
3.6.11.3 SOURce:DM Subsystem...........................................................................3.34
3.6.11.4 SOURce:ERMes Subsystem..................................................................... 3.50
3.6.11.5 SOURce:FLEX Subsystem .......................................................................3.55
3.6.11.6 SOURce:FM Subsystem ...........................................................................3.63

SME Contents
1039.1856.12 7 E-13
3.6.11.7 SOURce:FREQuency Subsystem.............................................................3.65
3.6.11.8 SOURce:ILS Subsystem........................................................................... 3.68
3.6.11.9 SOURce:LIST Subsystem......................................................................... 3.75
3.6.11.10SOURce:MARKer Subsystem...................................................................3.78
3.6.11.11SOURce:MBEacon Subsystem................................................................. 3.80
3.6.11.12SOURce:PHASe Subsystem.....................................................................3.81
3.6.11.13SOURce:PM Subsystem...........................................................................3.82
3.6.11.14SOURce:POCSag Subsystem ..................................................................3.84
3.6.11.15SOURce:POWer Subsystem ....................................................................3.88
3.6.11.16SOURce:PULM Subsystem ......................................................................3.91
3.6.11.17SOURce:PULSe Subsystem.....................................................................3.92
3.6.11.18SOURce:REFLex25 Subsystem ...............................................................3.93
3.6.11.19SOURce:ROSCillator Subsystem .............................................................3.99
3.6.11.20SOURce:STEReo Subsystem.................................................................3.100
3.6.11.21SOURce:SWEep Subsystem..................................................................3.103
3.6.11.22SOURce:VOR Subsystem.......................................................................3.106
3.6.12 SOURce0|2 System................................................................................................3.109
3.6.12.1 SOURce0|2:FREQuency Subsystem......................................................3.109
3.6.12.2 SOURce 0|2:FUNCtion-Subsystem.........................................................3.111
3.6.12.3 SOURce2:MARKer-Subsystem............................................................... 3.112
3.6.12.4 SOURce2:SWEep-Subsystem................................................................ 3.113
3.6.13 STATus-System......................................................................................................3.115
3.6.14 SYSTem-System ....................................................................................................3.117
3.6.15 TEST-System .........................................................................................................3.122
3.6.16 TRIGger-System.....................................................................................................3.124
3.6.17 UNIT-System ..........................................................................................................3.129
3.7 Instrument Model and Command Processing................................................................3.130
3.7.1 Input Unit.................................................................................................................3.130
3.7.2 Command Recognition........................................................................................... 3.131
3.7.3 Data Set and Instrument Hardware........................................................................3.131
3.7.4 Status Reporting System........................................................................................ 3.131
3.7.5 Output Unit..............................................................................................................3.132
3.7.6 Command Sequence and Command Synchronization...........................................3.132
3.8 Status Reporting System..................................................................................................3.133
3.8.1 Structure of an SCPI Status Register.....................................................................3.133
3.8.2 Overview of the Status Registers ...........................................................................3.135
3.8.3 Description of the Status Registers ........................................................................3.136
3.8.3.1 Status Byte (STB) and Service Request Enable Register (SRE)............ 3.136
3.8.3.2 IST Flag and Parallel Poll Enable Register (PPE)...................................3.137
3.8.3.3 Event Status Register (ESR) and Event Status Enable Register (ESE) .3.137
3.8.3.4 STATus:OPERation Register..................................................................3.138
3.8.3.5 STATus:QUEStionable Register .............................................................3.139
3.8.4 Application of the Status Reporting Systems..........................................................3.140
3.8.4.1 Service Request, Making Use of the Hierarchy Structure.......................3.140
3.8.4.2 Serial Poll ................................................................................................ 3.140
3.8.4.3 Parallel Poll..............................................................................................3.141
3.8.4.4 Query by Means of Commands...............................................................3.141
3.8.4.5 Error Queue Query..................................................................................3.141
3.8.5 Resetting Values of the Status Reporting Systems................................................ 3.142
3.9 Fast Restore Mode ............................................................................................................3.143

Contents SME
1039.1856.12 8 E-13
4 Maintenance and Troubleshooting......................................................................................4.1
4.1 Maintenance...........................................................................................................................4.1
4.1.1 Cleaning the Outside ..................................................................................................4.1
4.1.2 Storage ....................................................................................................................... 4.1
4.1.3 Exchange of the Lithium Batteries..............................................................................4.1
4.1.3.1 Exchange of RAM Battery...........................................................................4.2
4.1.3.2 Exchange of XMEM Battery........................................................................ 4.4
4.2 Functional Test......................................................................................................................4.5
5 Performance Test................................................................................................5.1
5.1 Test Instruments and Utilities.............................................................................................. 5.1
5.1.1 Test Systems to Measure Modulation Characteristics................................................ 5.3
5.1.1.1 Standard Test System.................................................................................5.3
5.1.1.2 Test System with Audio Analyzer................................................................5.3
5.1.1.3 Test System for Broadband FM ..................................................................5.4
5.1.1.4 Test System for Pulse Modulation............................................................... 5.4
5.1.1.5 Test System for GFSK ................................................................................5.5
5.1.1.6 Test System Extension by Down Conversion..............................................5.5
5.2 Test Procedure ......................................................................................................................5.6
5.2.1 Display and Keyboard.................................................................................................5.6
5.2.2 Frequency Setting....................................................................................................... 5.6
5.2.3 Settling Time...............................................................................................................5.8
5.2.4 Reference Frequency...............................................................................................5.10
5.2.5 Harmonics Suppression/Subharmonics ...................................................................5.10
5.2.6 Suppression of Nonharmonics..................................................................................5.11
5.2.7 SSB Phase Noise .....................................................................................................5.12
5.2.8 Broadband Noise...................................................................................................... 5.14
5.2.9 Residual FM..............................................................................................................5.14
5.2.10 Residual AM..............................................................................................................5.15
5.2.11 Output Level..............................................................................................................5.15
5.2.12 Output Reflection Coefficient....................................................................................5.17
5.2.13 Interrupt-free Level Setting (ATTEN FIXED) ............................................................5.18
5.2.14 Overvoltage Protection (SME02 and SME03 only)...................................................5.19
5.2.15 Level Monitoring at Input EXT1.................................................................................5.19
5.2.16 Modulation Depth of AM ...........................................................................................5.20
5.2.17 AM Frequency Response .........................................................................................5.20
5.2.18 AM Distortion Factor................................................................................................. 5.21
5.2.19 Residual PhiM with AM.............................................................................................5.21
5.2.20 Level Monitoring at Input EXT2 (Option SM-B5) ......................................................5.22
5.2.21 FM Deviation Setting................................................................................................. 5.22
5.2.22 FM Frequency Response..........................................................................................5.23
5.2.22.1 FM Frequency Response up to 100 kHz...................................................5.23
5.2.22.2 FM Frequency Response up to 2 MHz...................................................... 5.23
5.2.23 FM Distortion Factor .................................................................................................5.24
5.2.24 FM Preemphasis.......................................................................................................5.24
5.2.25 Residual AM with FM................................................................................................5.24
5.2.26 Carrier frequency Deviation with FM......................................................................... 5.25