User Manual DDS200 Digital Demodulation System 070-9952-00

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Manual OperationOptionally, the frequency can also be modified with the two cursor keypad keys and .The RF frequency is also indicated on the status line above the menu box (seeFigure 2–6)d. It is thus possible to see the current RF frequency setting afterchanging to another menu.Figure 2–6: RF menuDDS200 Digital Demodulation System User Manual 2–7
Manual OperationBasic OperationThe different functional groups of the front panel and the basic operating stepsare described in the following subsections:Overview page 2–8Display page 2–9LEDs page 2–11Soft Keys page 2–12Cursor Keys page 2–13Numeric Keypad page 2–14Selecting Settings page 2–14Editing Text and Numerals page 2–15Presetting the Unit page 2–16Hardcopy Key page 2–17Storing Device Settings page 2–17Hard Keys page 2–18OverviewAfter power on, measurement is performed with the settings that were activebefore the unit was powered off. The MEASURE menu is always shown onthe display. This menu shows the results and the test parameters relevant tothe current measurement function.The hard keys are used to change to the setting menus. This allows thedisplay and setting of all the parameters of the current measurementfunction.Special operating states are signalled via the LEDs on the front panel.The display also indicates the allocation of soft keys, depending on the menuselected.With the cursor keys, it is possible to modify text in the menus stepwise.Figures entered via the numeric keypad are confirmed with the ENT key.Press the ESC key to access the next higher menu level.Settings are selected in the setting menus via the hard keys, the soft keysand, for variable parameters, via the numeric keypad and the cursor keypad.2–8 DDS200 Digital Demodulation System User Manual
Page 1 and 2: ®Established 1981Advanced Test Equ
Page 3 and 4: Copyright Tektronix, Inc. All righ
Page 7 and 8: Table of ContentsRemote ControlHard
Page 9 and 10: Table of ContentsIndexLocal control
Page 11 and 12: Table of ContentsFigure 2-35: ALARM
Page 13 and 14: Table of ContentsList of TablesTabl
Page 15 and 16: Table of ContentsxDDS200 Digital De
Page 17 and 18: General Safety SummaryProvide Prope
Page 19: PrefacexivDDS200 Digital Demodulati
Page 22 and 23: Preparation for UseFront PanelFront
Page 24 and 25: Preparation for UseTable 1-1: Legen
Page 26 and 27: Preparation for UseTable 1-2: Legen
Page 28 and 29: Preparation for UseUnpacking the Un
Page 30 and 31: Preparation for UsePositioning the
Page 32 and 33: Preparation for UsePowering OnConne
Page 34 and 35: Preparation for UseInitial update -
Page 36 and 37: Preparation for UseInstalling Optio
Page 38: Preparation for Use1-18 DDS200 Digi
Page 41 and 42: Manual OperationSample SettingThis
Page 43 and 44: Manual OperationFigure 2-3: MODE me
Page 45: Manual OperationPress the RECEIVER
Page 49 and 50: Manual OperationFigure 2-7: MEASURE
Page 51 and 52: Manual OperationSoft KeysThe soft k
Page 53 and 54: Manual OperationNumeric KeypadSelec
Page 55 and 56: Manual OperationPresetting the Unit
Page 57 and 58: Manual OperationFigure 2-14: RECALL
Page 59 and 60: Manual OperationThe display mode do
Page 61 and 62: Manual OperationFigure 2-18: SETUP:
Page 63 and 64: Manual OperationThe type of printer
Page 65 and 66: Manual OperationOperation as Demodu
Page 67 and 68: Manual OperationFigure 2-24: INPUT:
Page 69 and 70: Manual OperationFigure 2-26: STO: E
Page 71 and 72: Manual Operation84QAM16QAM32QAM64QA
Page 73 and 74: Manual OperationSPECIAL FUNCTION Me
Page 75 and 76: Manual OperationA wide loop bandwid
Page 77 and 78: Manual OperationALARM MenuThis subs
Page 79 and 80: Manual OperationPressing the ALARM
Page 81 and 82: Manual OperationFigure 2-34: ALARM:
Page 83 and 84: Manual OperationThe alarm register
Page 85 and 86: Manual OperationMEASURE MenuThe DDS
Page 87 and 88: Manual OperationFor further informa
Page 89 and 90: Manual OperationConstellation Diagr
Page 91 and 92: Manual OperationFigure 2-42 shows a
Page 93 and 94: Manual OperationQAM Parameters. Whe
Page 95 and 96: Manual OperationNOTE. For reading o
Page 97 and 98:
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
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Appendix A: SpecificationsTable A-1
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Appendix A: SpecificationsTable A-2
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Appendix A: SpecificationsA-6 DDS20
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Appendix B: IEC/IEEE-Bus InterfaceS
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Appendix B: IEC/IEEE-Bus InterfaceT
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Appendix C: List of Error MessagesT
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Appendix C: List of Error MessagesD
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Appendix D: List of CommandsSTATus
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Appendix D: List of CommandsSYSTem
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Appendix D: List of CommandsINPut S
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Appendix D: List of CommandsTable D
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Page 192 and 193:
Appendix D: List of CommandsREAD Su
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Page 196 and 197:
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Appendix D: List of CommandsD-20 DD
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Appendix E: Programming ExamplesSen
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Appendix E: Programming ExamplesSer
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Appendix E: Programming Examples
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Appendix F: Remote Control via RS-2
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Page 217 and 218:
IndexHHandshake, RS232, F-5Hard key
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IndexSetting device address, 3-2Set
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User Manual DDS200 Digital Demodulation System 070-9952-00

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