3151B
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3151B - 1

Astronics Test Systems Inc. Racal Instruments™ 3151B VXI Precision Waveform Synthesizer The Racal Instruments™ 3151B Waveform Synthesizer combines 250 MS/s waveform generation performance, versatility, and compact size into a singleslot VXIbus format. The 3151B is a greatly improved version of a field-proven instrument ideal for VXI test stimulus generation. It replaces the 3151A+ and other similar units which were standard on many military and commercial test platforms. • Front panel connector compatible with legacy 3151, 3151A, and 3151A+ • Sine and square waves up to 50 MHz at Amplitudes up to 16 Vpk-pk into 50 Q • Built-in functions: Triangle(x), Sine(X), Sinc, Square, Ramp, Pulse, DC, Exponential & Gaussian Pulse • Linear/log sweep features (Arbitrary and DDS) up to 100 MHz • High-performance frequency synthesis: 11-digit resolution and 1 ppm accuracy • VXI replacement for legacy pulse and function generators Product Information Compatibility Mode The 3151B default operational mode is a compatibility mode which makes the 3151B accept and execute programming as though it were a 3151 or 3151A for all modes including (and not limited to) standard waveforms, arbitrary waveforms, sequenced mode, trigger delay, and multimodule synchronization. The 3151B provides a front panel interface which is identical to that of the 3151, 3151A, and 3151A+ models. For new designs, please refer to literature for the 3100M and 3100R series of message-based VXI/LAN and register-based single and dual channel 3151B models. Extended Performance Mode The extended performance mode of the 3151B provides a synergistic combination of a swept function generator, pulse generator, programmable sequencer, and arbitrary waveform synthesizer into one instrument. In addition, the 3151B integrates a phase lock loop, modulation, sweep, hopping (amplitude and frequency) and a high-performance frequency counter into a single-slot VXI module, saving valuable space. Refer to the 3100M and 3100R product family literature for specifications on the 3151B extended performance modes because this document mainly describes 3151B's comparison with the traditional 3151 capabilities only. Frequency Sweep The 3151B sweeps sine (now using Direct Digital Synthesis or DDS), square or triangle waveforms between any two frequencies up to 100 MHz for sine or square, 16 MHz for triangle. Sweep may be performed either up or down and linearly or logarithmically. 11-Digit Frequency Resolution The 3151B DDS frequency synthesizer (CW mode) provides high frequency resolution, high signal-to-noise ratio (70 dB, typical) and the low phase-noise and jitter needed for telecommunications test applications. WaveCAD Compatible The 3151B is compatible with WaveCAD 3.4 (Figure 1) for the 3151 and 3151A, so you can continue to use this program if desired. The 3151 and 3151A VXIplug&play drivers are also compatible with the 3151B. ArbConnection™ Software The 3151B is provided with ArbConnection™ software for control and waveform creation that lets you unlock the enhanced modes of the 3151B. TEST SYSTEMS 949.859.8999; 800.722.2528; atssales@astronics.com; www.astronicstestsystems.com Copyright © 2014 Astronics Test Systems Inc.

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3151B - 2

Astronics Test Systems Inc. Racal Instruments™ 3151B Astronics Test Systems Inc. Racal Instruments™ 3151B Product Informationcontinued Figure 2: Serial Composer The ArbConnection™ software includes composers to help you design arbitrary waveforms, pulse waveforms, frequency modulated waveforms, 3D waveforms (user-defined combinations of amplitude, frequency and phase modulation) and serial waveforms. Creating Arbitrary Waveforms The ArbConnection™ software provides a Waveform Composer application which is useful for creating test stimuli for the 3151B. The Waveform Composer allows you to...

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3151B - 3

Astronics Test Systems Inc. Racal Instruments™ 3151B Square Frequency Range • 100 pHz to 100 MHz Duty Cycle Range • 0% to 99.99% Rise/Fall Time (10%-90%) • <5 ns Aberration • <6% Triangle Frequency Range • 100 pHz to 16 MHz Phase Adjustment • Range: 0 to 359.95° • Resolution: 0.05° Power Range (triangle raised to a power) • 1 to 9 Pulse and Ramp Functions Frequency Range • 100 pHz to 16 MHz Delay, Rise/Fall Time, High Time Ranges • 0% to 99.99% of period (each independently) Gaussian Pulse Time Constant Range • 1 to 200 Sinc Pulse “Zero Crossings” Range • 4 to 100 Exponential Pulse Time...

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3151B - 4

Astronics Test Systems Inc. Racal Instruments™ 3151B Specifications continued Burst Mode • A segment is repeated up to 1 million times. In External Burst Mode, each burst begins with a trigger. In Internal Burst Mode, an internal timer is used to repeat the burst at a programmed interval. Counter/Timer • Measures frequency, period, period averaged, pulse width and events Amplitude Modulation (internal) • AM Carrier Range: 10 Hz to 100 MHz • AM Rate: 10 mHz to 100 kHz • AM Depth: 0% to 200% Triggering Characteristics Sources • Internal: 1 ps to 20 s, programmable External • Input Impedance:...

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3151B - 5

Astronics Test Systems Inc. Racal Instruments™ 3151B Specifications continued Outputs • OUTPUT: 50 Q, 5.7 Vrms (28 dBm) • SYNC OUT: TTL Software Native Language • SCPI 1993.0, IEEE 488.2 Firmware Upgrades • Stored in Flash using VXI utility Firmware Emulation • 3151, 3151A, 3151A+ Drivers • LabVIEW™, LabWindows™/CVI, VXIplug&play support for frameworks based on Microsoft Win32® application programming interface, IVI Waveform & Control Software • WaveCAD 3.4, ArbConnection 4.2 Shared Waveform Memory • D16/A24/A32 block transfer Environmental Temperature • Operating: 0° C to 55° C • Storage:...

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