IndexAAlarmclearing register, 2–45configuring, 2–38printing register, 2–43register, 2–39setting limit values, 2–41statistics, 2–41Alarm messages, order, 2–40Ambient temperature, 1–2Application examples, manual operation, 2–62BBandwidth, loop, 2–35Basic operation, overview, 2–8Battery, replacing, 4–2BERcalculations, 2–48external equipment, 2–80measurement, 2–48selecting integration time, 2–79BER integration, 2–35Bit Error Rate, 2–48Bus lines, description, B–1CCarrier suppression, 2–69Cascading, analog and digital two demodulatinsystems, 2–88Central coefficient, 2–34Certifications and compliances, A–4Channel equalizer mode, 2–34Cleaning, 4–1Command, sequence and synchronization, 3–18Command identification, remote control, 3–16Command line structure, 3–8Common commands, remote control, 3–12CONFigure, commands, D–15Connecting, input and output signals, 1–15Constellation diagram, 2–50application, 2–62formulas and limit values, 2–68Gate Time and Gate CNT, 2–53QAM parameters, 2–54Contrast, 1–2setting, 1–13Cursor keys, description, 2–13DData frame, size, 2–37Data output, MPEG, 2–36Data set, 3–17Date/Time menu, 2–20Default settings, 2–16Demodulator, QAM, 2–26Device address, setting, 3–2Device hardware, 3–17Display, overview, 2–9EEcho diagram, 2–57Editing, text and numerals, 2–15Equalizer mode, 2–34Error bit, 2–37Error messages, descriptions, C–1Examples, programming, E–1Examples of Application, 2–62FFactory defaults, 2–16FilterFIR, 2–34SAW, 2–31Firmwarein modules, 1–14installing, 1–13Fuses, 1–11replacing, 1–11GGeneral device settings, 2–19<strong>DDS2<strong>00</strong></strong> <strong>Digital</strong> <strong>Demodulation</strong> <strong>System</strong> <strong>User</strong> <strong>Manual</strong>Index–1
IndexHHandshake, RS232, F–5Hard keys, 1–3description, 2–18Hardcopy key, 2–17HCOPy, commands, D–19II/Q inversion, 2–37Initialization, programming example, E–1INPut, commands, D–6Input, selecting, 2–4Input and output signals, connecting, 1–15Installation, 1–9Installingfirmware, 1–13options, 1–16Instrument settings, description, 2–19InterfaceIEC/IEEE bus connector, 1–17RS232, 1–16Interface characteristics, B–1Interface functions, B–3Interfererin phase jitter, 2–72sinusoidal, 2–69KKeyboard for digital data input, 1–3Keyscursor, 2–13hard, 2–18hardcopy, 2–17mode, 2–25numeric, 2–14soft, 2–12LLEDs, description, 2–11Limits, alarm, 2–41List management, programming example, E–2LLO, 1–3Loop bandwidth, 2–35MMaintenance, 4–1battery, 4–2<strong>Manual</strong> operation, 2–1Measure menu, 2–46MEMory, commands, D–11memory, battery-backed, 1–15Menualarm, 2–38beeper, 2–33IEC625 IEEE488, 2–21input attenuation selection, 2–27input selection, 2–27measure, 2–46MPEG data outputs, 2–36printer selection, 2–23remote, 2–20RF, 2–29RS232, 2–22special function, 2–34status, 2–30symbol rate, 2–31Time/Date, 2–20units, 2–24Menus, setting, 2–10Messages, error, C–1Mode, selecting, 2–3Mode key, 2–25Modulation error, 2–74limit values, 2–75MPEGdata frame size, 2–37error bit, 2–37outputs assignment and functions, 2–85parallel data PLL, 2–37MPEG outputs, configure, 2–36NNICAM, 1–6Numbers, error descriptions, C–1Numeric keypad, description, 2–14OOperation, manual, 2–1Options, installing, 1–16Output buffer, 3–19Index–2<strong>DDS2<strong>00</strong></strong> <strong>Digital</strong> <strong>Demodulation</strong> <strong>System</strong> <strong>User</strong> <strong>Manual</strong>
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®Established 1981Advanced Test Equ
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Copyright Tektronix, Inc. All righ
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Table of ContentsRemote ControlHard
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Table of ContentsIndexLocal control
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Table of ContentsFigure 2-35: ALARM
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Table of ContentsList of TablesTabl
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Table of ContentsxDDS200 Digital De
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General Safety SummaryProvide Prope
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PrefacexivDDS200 Digital Demodulati
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Preparation for UseFront PanelFront
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Preparation for UseTable 1-1: Legen
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Preparation for UseTable 1-2: Legen
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Preparation for UseUnpacking the Un
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Preparation for UsePositioning the
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Preparation for UsePowering OnConne
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Preparation for UseInitial update -
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Preparation for UseInstalling Optio
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Preparation for Use1-18 DDS200 Digi
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Manual OperationSample SettingThis
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Manual OperationFigure 2-3: MODE me
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Manual OperationPress the RECEIVER
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Manual OperationBasic OperationThe
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Manual OperationFigure 2-7: MEASURE
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Manual OperationSoft KeysThe soft k
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Manual OperationNumeric KeypadSelec
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Manual OperationPresetting the Unit
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Manual OperationFigure 2-14: RECALL
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Manual OperationThe display mode do
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Manual OperationFigure 2-18: SETUP:
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Manual OperationThe type of printer
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Manual OperationOperation as Demodu
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Manual OperationFigure 2-24: INPUT:
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Manual OperationFigure 2-26: STO: E
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Manual Operation84QAM16QAM32QAM64QA
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Manual OperationSPECIAL FUNCTION Me
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Manual OperationA wide loop bandwid
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Manual OperationALARM MenuThis subs
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Manual OperationPressing the ALARM
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Manual OperationFigure 2-34: ALARM:
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Manual OperationThe alarm register
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Manual OperationMEASURE MenuThe DDS
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Manual OperationFor further informa
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Manual OperationConstellation Diagr
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Manual OperationFigure 2-42 shows a
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Manual OperationQAM Parameters. Whe
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Manual OperationNOTE. For reading o
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Manual OperationPreset Values and M
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Manual OperationTable 2-4: DDS200 P
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Manual OperationExamples of Applica
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Manual OperationFigure 2-48: Conste
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Manual OperationThe magnitude of th
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Manual OperationFigure 2-53: Conste
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Manual OperationFrequency of occurr
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Manual OperationFrom the standard d
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Manual OperationTable 2-5: Theoreti
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Manual OperationThe term “modulat
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Manual OperationAmplitude N = 2 4 -
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Manual OperationBER Measurement wit
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Manual Operationare taken into acco
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Manual OperationIt should be noted
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Manual OperationThe key characteris
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Manual OperationThe key characteris
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Remote Control
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Remote ControlIEC/IEEE-Bus Messages
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Remote ControlCommon commands. Comm
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Remote ControlNumeric suffix:If an
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Remote ControlExample: Special n
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Remote ControlParameter:In the para
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Remote Control*CLS*ESE 0 to 255*ESR
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Remote ControlInstrument Model and
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Remote ControlOutput UnitThe output
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Remote ControlCONDition register. T
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Remote ControlOverview of StatusReg
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Remote ControlTable 3-2: Definition
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Remote ControlTable 3-5: Definition
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Remote ControlResetting the StatusR
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Maintenance and TroubleshootingRepl
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Maintenance and TroubleshootingTabl
- Page 164 and 165: Appendix A: SpecificationsTable A-1
- Page 166 and 167: Appendix A: SpecificationsTable A-2
- Page 168 and 169: Appendix A: SpecificationsA-6 DDS20
- Page 170 and 171: Appendix B: IEC/IEEE-Bus InterfaceS
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- Page 174 and 175: Appendix C: List of Error MessagesT
- Page 176 and 177: Appendix C: List of Error MessagesT
- Page 178 and 179: Appendix C: List of Error MessagesT
- Page 180 and 181: Appendix C: List of Error MessagesD
- Page 182 and 183: Appendix D: List of CommandsSTATus
- Page 184 and 185: Appendix D: List of CommandsSYSTem
- Page 186 and 187: Appendix D: List of CommandsINPut S
- Page 188 and 189: Appendix D: List of CommandsTable D
- Page 190 and 191: Appendix D: List of CommandsTable D
- Page 192 and 193: Appendix D: List of CommandsREAD Su
- Page 194 and 195: Appendix D: List of CommandsTable D
- Page 196 and 197: Appendix D: List of CommandsTable D
- Page 198 and 199: Appendix D: List of CommandsTable D
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- Page 208 and 209: Appendix F: Remote Control via RS-2
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- Page 219: IndexSetting device address, 3-2Set