Introduction and Specifications ... 1-1 Introduction... Principal features ... Specifications... Waveforms ... Sine... Square... Triangle ... Positive and Negative Ramps... Positive and Negative Pulses ... Multi-level Square Wave ... Arbitrary... Hop... Noise ... Modulation Modes... Continuous ... Trigger and burst ... Gated ... Sweep ... Amplitude Modulation ... Frequency Shift Keying (FSK) ... Start/Stop Phase ... Trigger Generator Outputs ... Main Output ... Aux Out... Trig/Sweep Out ... Inputs ... Ext Trig ... VCA In ... Phase locking... Clock In/Out... Sync Out Interface General ... 1-8 Installation ... 2-1 Mains Operating Voltage... Fuse... Mains Lead ... Mounting... Connections... 3-1 Front Panel Connections ... MAIN OUT ... AUX OUT ... EXT TRIG ... Rear Panel Connections ... CLOCK IN/OUT ... VCA IN ... SYNC OUT ... TRIG/SWEEP OUT ... RS232 ... GPIB (IEEE-488) ... 3-4 General Operation ... 4-1 Introduction... 4-2 DDS Principles ... 4-2 Switching On ... 4-2 Display Contrast ... 4-3 Keyboard ... 4-3 Principles of Editing ... 4-4 Main Generator Operation ... 5-1 Introduction... 5-2 Main Generator Parameters ... 5-2 Frequency ... 5-2 Output Level... 5-3 Output Impedance ... 5-4 DC Offset ... 5-4 DC Output ... 5-5 Symmetry ... 5-5 Warning and Error Messages... 5-6 The Auxiliary Output... 5-7 Auxiliary Output Phase ... 5-8 Waveform Generation Options ... 5-9 Square Wave Generation ... 5-9 Filter 5-9 Auxiliary Output... 5-10 Frequency Stop... 5-10 Trigger/Sweep Output ... 5-10 Sweep Operation ... 6-1 Introduction... 6-2 Connections for Sweep Operation ... 6-2 Setting Sweep Span and Markers ... 6-2 Setting Sweep Mode, Ramp Time and Source ... 6-3 Frequency Stepping Resolution ... 6-4 Triggered Burst and Gate ... 7-1 Introduction... 7-2 Internal Trigger Generator 7-2 External Trigger Input ... 7-2 Triggered Burst ... 7-2 Trigger Source ... 7-3 Burst Count... 7-3 Start/Stop Phase... 7-3 Gated Mode... 7-4 Gate Source ... 7-4 Amplitude Modulation... 8-1 Introduction... 8-2 Amplitude Modulation (Internal)... 8-2 Modulation Frequency... 8-2 Modulation Depth... 8-2 Modulation Waveform ... 8-3 VCA (External)... 8-3 FSK ...Introduction...Frequency Setting...Trigger Source ...9-1 Special Waveforms ... 10-1 Staircase ... Arbitrary... Recalling Arbitrary Waveforms ... Storing Arbitrary Waveforms... Noise ... Hop ... 11-1 Introduction... 11-2 Setting each Waveform Step... 11-2 Defining the Sequence and Timing... 11-2 Running the Sequence ... 11-3 Timing Considerations... 11-3 Saving Hop Settings... 11-4 System Operations... 12-1 Storing and Recalling Set-Ups... 12-1 System Settings... 12-2 Cursor Style ... 12-2 Rotary Control ... 12-2 Power Up Setting... 12-2 CLOCK IN/OUT Setting... 12-2 Synchronizing Generator 13-1 Introduction... 13-2 Synchronizing Principles ... 13-2 Connections for Synchronization... 13-2 Generator et-Ups... 13-2 Synchronizing ... 13-3 14 Calibration... 14-1 Introduction... 14-2 Equipment Required ... 14-2 Calibration Procedure ... 14-2 Setting the Password... 14-2 Using the Password to Access Calibration or Change the Password ... 14-3 Calibration Routine ... 14-3 15 Application Examples ... 15-1 Introduction... 15-2 Default Settings... 15-2 Simple Main Generator Operation... 15-2 Pulse Trains... 15-2 Low Duty Cycle Pulse Trains ... 15-3 Multiple Pulses ... 15-4 Variable Transition Pulse Waveforms ... 15-4 Slew-Limited Transitions ... 15-4 Band-Limited Pulses ... 15-5 Pulses With Overshoot ... 15-5 16 Remote Operation ... 16-1 Remote Operation ... 16-2 Address and Baud Rate Selection... 16-2 Remote/Local Operation ... 16-2 RS232 Interface 16-3 Single Instrument RS232 Connections ... 16-3 Addressable RS232 Connections ... 16-3 RS232 Character Set ... 16-4 Addressable RS232 Interface Control Codes... 16-4 Full List of Addressable RS232 Interface Control Codes... 16-6 GPIB Interface 16-6 GPIB Subsets ... 16-6 GPIB IEEE Std. 488.2 Error Handling ... 16-6 GPIB Parallel Poll ... 16-7 Status Reporting ... 16-7 Standard Event Status and Standard Event Status Enable Registers... 16-8 Status Byte Register and Service Request Enable Register ... 16-8 Status model 16 9 Power on Settings... 16-9 Remote Commands... 16-10 RS232 Remote Command Formats ... 16-10 GPIB Remote Command Formats... 16-10 Command List ... 16-11 Function Selection ... 16-12 Main Generator Parameters ... 16-12 Sweep Parameters... 16-12 Trigger and Gate... 16-13 AM Parameters... FSK Parameters ... Staircase and Arbitrary Waveforms ... Waveform Generation Options... Hop Commands ... System Commands ... Status Commands ... Miscellaneous Commands... Phase Locking Commands ... Remote Command Summary... Appendices AC Supply Voltage Settings... A-1 DDS Operation and Further Waveform Considerations ... B-1 Application Information Notes... C-1 Warning and Error Messages ... D-1 Factory System Defaults ... E-1 Waveform Manager Plus... F-1 Front and Rear Panels... G-1