81133A Pulse Pattern Generator, 3.35 GHz, single channel
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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 1

Figure 1: 81134A Agilent Technologies 81133A and 81134A 3.35 GHz Pulse Pattern Generators Data Sheet Version 1.2 81133A and 81134A 3,35 GHz Pulse Pattern Generators Setting Standards The Agilent 81133A and 81134A 3.35 GHz Pulse Pattern Generators provide programmable pulse periods from 15 MHz (66.6 ns) to 3.35 GHz (298.5 ps) on all channels. With frequency ranges this fast, the transition time performance becomes critical; the Agilent 81133A and 81134A perfom at less than 60 ps tansition. With a RMS jitter of 1.5 ps (typ), the best signal quality is assured. The Delay Control Input and the Variable Crossover Point functionalities allow fast and easy Signal Integrity measurements, including emulation of real world signals by adding jitter to clock or data signals or by distorting the 'eye' for eye diagram measurements. Key Features The need for pulse and pattern generation is fundamental to digital device characterization tasks. The ability to emulate the pulse and pattern conditions to which the device will encounter in its final application, is essential. This emulation should include both typical and worst case conditions. Accurate emulation requires superlative signal integrity and timing performance along with full control over parameters that allow specific worst case testing. · Pulse, Data Pattern and PRBS generation from 15 MHz up to 3.35 GHz · Data formats NRZ, RZ and R1 · 12 Mbit pattern memory per channel · Low jitter, high accuracy · Fast transition times · PRBS generation from 25 - 1 …231 -1 · Delay control input for pre-defined jitter input · Jitter emulation up to ± 250 ps · Easy- to-use graphical user interface · 50 mV to 2 Vpp output amplitude · Differential Outputs · 1 or 2 channels

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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 2

Agilent Technologies 81133A and 81134A 3.35 GHz Pulse Pattern Generators 2 Connectors Front Panel Connectors All signal outputs and inputs are accessible at the front panel. These are: · 2 (or 4) Output Connectors for the 1 (or 2) differential channel(s) · Trigger Output · Clock Input · Start Input · 1 (or 2) Delay Control Input(s) for the 1 (or 2) channel(s) Rear Panel Connectors Remote programming interfaces: GPIB, LAN, USB 2.0 (see also ‘Additional Features’) Clock Source Selecting the clock source determines the origin of the time base. All other timing parameters are derived from it....

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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 3

3 Frequency/Period The main frequency is set for all channels. The frequency can also be set as period length. The frequency range is 15 Hz to 3.35 GHz, equal to 66.6m to 298.5 ps period. The frequency range can also be further divided individually for each channel. Available dividers are 1, 2, 4, 8, 16, 32, 64, 128. Main Modes Pulse Pattern Mode In Pulse Pattern mode, each channel can be set independently to one of the channel modes described in 'Channel Modes'. Burst Mode Burst mode enables the output of a burst consisting of data repeated n times followed by continuous zero data. It can...

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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 4

Agilent Technologies 81133A and 81134A 3.35 GHz Pulse Pattern Generators 4 Timing Delay The delay can be set: · as an absolute value in nano seconds or pico seconds. The delay remains unchanged as the frequency or the period is modified. · as phase (degrees relative to period). The phase remains unchanged as the frequency or the period is modified. Deskew The deskew adjustment allows for the compensation of e.g. cable delays. Deskew adjustment is not available in Direct Mode. In this case, all channels are factory deskewed at the front panel connectors. Width There are two ways to set the...

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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 5

Agilent Technologies 81133A and 81134A 3.35 GHz Pulse Pattern Generators Figure 2: Variable Crossover 5 Normal Out Normal Out Compl. Out Compl. Out 50% 50% 70% 30% Variable Crossover For each channel, the cross over of the NRZ signal in PRBS or data mode can be adjusted. This is used to artificially close the eye pattern simulating distortion. Figure 1 shows the normal and complement output with cross over point set to 50% and 70% respectively. NOTE: Variable Crossover feature is available in NRZ mode only. Pattern There are two types of patterns available: Data Arbitrary data up to the...

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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 6

Agilent Technologies 81133A and 81134A 3.35 GHz Pulse Pattern Generators 6 Auxiliary Channels Outputs Trigger Output The trigger output can be enabled or disabled. The levels of the trigger output can be set as high level or low level pair. The trigger output can be set to one of the following modes: · Trigger on clock The frequency of the trigger output is identical to the sys tem frequency. It can be further divided by n (n= 1, 2, 3, 4, 5, 6, 7…231-1). · Trigger on data One Trigger pulse occurs on the first part of the repetitive data pattern. Inputs Note: The built-in input and output...

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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 7

Agilent Technologies 81133A and 81134A 3.35 GHz Pulse Pattern Generators Human Interface The graphical user interface enables the user to operate the instrument as simply as possible. All parameters are displayed on a color coordinated display. The instrument setup is intuitive. All important parameters can be easily accessed and modified with numeric keys, cursor keys or the twist and push button. A content sensitive online help enables users to set up their test configurations quickly and easily. Channel Output Timing Number Of Channels 1, (81133A), 2 (81134A) Transition Times (10 % To 90...

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81133A Pulse Pattern Generator, 3.35 GHz, single channel - 8

Agilent Technologies 81133A and 81134A 3.35 GHz Pulse Pattern Generators Data Generation Memory Depth 8Kbit per channel/12Mbit extended memory Data Format RZ / NRZ / R1 Pulse Pattern and Data Functionality The 81133A and 81134A can generate an 8 KBit digital pattern in NRZ, RZ and R1 mode. Furthermore, the 81133A and 81134A can provide a hardware generated pseudo random binary sequence (PRBS) from 25 - 1 to 231 - 1. Jitter Emulation (Delay Control Input) Full control over the signal quality of pulse and data signals provides the Delay Control Input. With an external modulation source (e.g....

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