Agilent 5988-7401EN - Manual

Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 7 Safety Requirements The following general safety precautions must be observed during all phases of operation of this instrument. Failure to comply with these precautions or with specific warnings elsewhere in this manual violates saf...

Safety Requirements Safety Summary 8 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Before Applying Power Verify that all safety precautions are taken. The power cable inlet of the instrument is used to disconnect the instrument from the mains in case of hazard. The instrument must...

Initial Inspection Safety Requirements Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 9 Initial Inspection Inspect the shipping container for damage. If the container or cushioning material is damaged, keep it until the contents of the shipment have been checked for completeness an...

Safety Requirements Power Requirements 10 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Power Requirements N O T E When the front panel switch is off, the instrument is in “standby” mode. The instrument is disconnected from the AC line power only by disconnecting the power cord. T...

Cleaning Recommendation Safety Requirements Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 11 Cleaning Recommendation Use a dry cloth or one slightly dampened with water to clean external case parts. Do not attempt to clean internally. W A R N I N G To prevent electrical shock, dis...

Safety Requirements Declaration of Conformity 12 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Declaration of Conformity DECLARATION OF CONFORMITY According to ISO/IEC Guide 22 and CEN/CENELEC EN 45014 Revision: A Issue Date: 2002-August-01 M anufacturer s Name: Agilent Technologi...

Introduction to the Agilent 81133A/81134A Pulse Generator Benefits and Key Features 14 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Benefits and Key Features Your advantages are: • Fast rise times, low jitter and full parameter f lexibility When timing is critical, the 81133A/811...

Front Panel Overview Introduction to the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 15 Front Panel Overview The following figure shows the main elements of the front panel. The front panel has the following elements: • Graphical User Interf...

Introduction to the Agilent 81133A/81134A Pulse Generator Front Panel Overview 16 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Input and Outputs The Agilent 81133A/81134A pulse generator provides the following inputs and outputs: Channel Specific Inputs and Outputs For each chann...

Introduction to the Agilent 81133A/81134A Pulse Generator Rear Panel Overview 18 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Rear Panel Overview At the rear panel, you can find the connectors for the remote programming interfaces GPIB, USB and LAN, and the power connector. USB G...

Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 19 Operating the Agilent 81133A/81134A Pulse Generator The instrument provides several navigation buttons that make it easy to scroll through the different pages of the graphical user interface and to change parameter values. Scrolling...

Operating the Agilent 81133A/81134A Pulse Generator Navigation through the Pages 20 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Navigation through the Pages The key tabs at the lower left corner of the display allows you to scroll through the different pages (Main, Channel, Data...

How to Change a Number Field Operating the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 23 How to Change a Number Field You have three possibilities for changing a number field: • By entering new values with the keypad • By using the navigati...

How to Change a Number Field Operating the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 25 3 Press and rotate the navigation knob to set the least significant digit to change. N O T E This method is useful for fine-tuning. It also changes the...

Setting Up Generic and Advanced Signals Setting Up a Clock Signal 28 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Setting Up a Clock Signal Task Set up two clock signals with 100 MHz and 200 MHz frequencies, a duty cycle of 50%, a high level of 1.0 V and a low level of 0 V. Use C...

Setting Up a Clock Signal Setting Up Generic and Advanced Signals Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 29 Using the Graphical User Interface First Steps Before you start: 1 Put the instrument into operation. 2 Protect the DUT by disconnecting the channel outputs first. Do...

Setting Up a Clock Signal Setting Up Generic and Advanced Signals Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 35 Using the Remote Programming Interfaces The following code performs the same task. Protect the DUT //disconnect channels :OUTP:CENT OFF Set up the Instrument //set mo...

Setting Up Generic and Advanced Signals Setting Up a Pulse Signal 36 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Setting Up a Pulse Signal Task Set up a continuous pulse signal with 20 ns period, a pulse width of 5 ns, an amplitude of 2.0 V and an offset of 1.5 V (high level 2.5...

Setting Up Generic and Advanced Signals Setting Up a Data Pattern 40 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Setting Up a Data Pattern Task Set up two signals: • A PRBS signal to test a digital transmitter. • A 32-bit pattern signal with NRZ data output format at 500 MHz to ...

Setting Up Generic and Advanced Signals Setting Up a Burst Signal 46 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Setting Up a Burst Signal Task Set up a burst signal consisting of a 32-bit data pattern repeated twice at a period of 500 ps with 50 ps delay and 100 ps pulse width....

Setting Up Signals for a Stressed Eye Diagram Measurement Setting Up Generic and Advanced Signals Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 59 Connecting the Instruments Connect the Pulse Generator, the Arbitrary Waveform Generator and the DCA as follows: C A U T I O N Before ...

Setting Up Signals for a Stressed Eye Diagram Measurement Setting Up Generic and Advanced Signals Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 63 Setting Up the 33250A Waveform Generator Program a 50 MHz sine wave with an amplitude of 2 Vpp: 1 Press the Freq softkey. 2 With the n...

Setting Up Generic and Advanced Signals Setting Up Signals for a Stressed Eye Diagram Measurement 64 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Play with the Settings The delay control input adds additional delay to the signal depending on the voltage that is fed to the input. ...

Using the Agilent 81133A/81134A Pulse Generator Pages of the User Interface 66 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Pages of the User Interface The instrument has a user interface to simplify entering and monitoring of the signal settings. The user interface is divided in...

Using the Agilent 81133A/81134A Pulse Generator Combining Parameters for Signal Generation 68 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Combining Parameters for Signal Generation The following table shows you how the various modes and parameters can be combined. Empty cells in...

Using the Agilent 81133A/81134A Pulse Generator Combining Parameters for Signal Generation 70 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Pattern Modes You can select the following pattern modes: • Square Generates a square wave (clock) of fixed width (50% duty cycle). • Pulse G...

Combining Parameters for Signal Generation Using the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 71 Signal Modes In Data and PRBS pattern modes, the pulse output format can be selected from RZ , R1 , and NRZ . The timing of the different for...

Using the Agilent 81133A/81134A Pulse Generator Combining Parameters for Signal Generation 72 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Variable Crossover You can change the crossover point in range 30% … 70% of the NRZ signal separately for each channel. The variable crossove...

Combining Parameters for Signal Generation Using the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 73 Clock Sources The selected clock source defines the time base from which all other timing parameters are derived. You can select between: • I...

Combining Parameters for Signal Generation Using the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 75 Start Mode When the Ext. Input start mode is selected, the instrument sends the generated signal to the outputs according to the signal appli...

Timing of Generated Signals Using the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 77 Clock The following figure shows the typical timing for the clock signal. Characteristics • Pulse periods are generated continuously where: – Delay and desk...

Using the Agilent 81133A/81134A Pulse Generator Timing of Generated Signals 78 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Pulses The following figure shows the typical timing for continuous pulses. Characteristics • Pulse periods can be either generated continuously or can be s...

Timing of Generated Signals Using the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 79 Data Pattern The following figure shows the typical timing for a data pattern. Characteristics • A data pattern can be either generated continuously or can ...

Using the Agilent 81133A/81134A Pulse Generator Timing of Generated Signals 80 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 PRBS See “Data Pattern” on page 79 for for the timing diagram. Characteristics • A PRBS signal can be either generated continuously or can be started manual...

Timing of Generated Signals Using the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 81 Started Burst The following figure shows the typical timing for the started burst. The bursts are started by the rising edge of the arming source. Character...

Using the Agilent 81133A/81134A Pulse Generator Timing of Generated Signals 82 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Repetitive Burst The following figure shows the typical timing for the repetitive burst. Characteristics • A burst of repeated data can be either generated ...

Jitter Modulation Using the Agilent 81133A/81134A Pulse Generator Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 83 Jitter Modulation The external source for jitter modulation is applied to the delay control input. Jitter modulation can be turned on and off individually for each ch...

Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 87 Updating the Firmware Firmware updates of the instrument can be done by using one of the supported programming interfaces. Updates and patches are available on the Agilent Web at: http://www.agilent.com/find/pulse_generator They are...

Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 87 Troubleshooting This chapter provides basic troubleshooting tips that you can use if the instrument is not performing as expected. Instrument out of Specs The specification is valid within +/- 10 degree Celsius after running Selfcal...

Troubleshooting 88 Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 Instrument does not Respond If the instrument does not respond when you press a button, it is possible that it is being used remotely. To reactivate the instrument, press the Local key (if this is available). As a la...

Index Agilent 81133A/81134A Pulse Generator User’s Guide, January 2005 89 Index A advanced signals setup 27 Aux page 67 B benefits 14 Burst (instrument mode) 69 burst signal example 46 C channel page pages channel 66 cleaning recommendations 11 clock timing 77 Clock Input 16 clock jitter 14 clock si...