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81180B Arbitrary Waveform Generator

Data Sheets

81180B At a Glance

  • 10 MSa/s to 4.6-GSa/s sample clock control, 2 GHz IQ modulation bandwidth and 12 bit vertical resolution
  • 2 channel, coupled or uncoupled
  • Two 2-channel systems can be synchronized to form a 4-channel system
  • Interchannel skew control from –3 ns to +3 ns with 10-ps resolution
  • Three software-selectable amplifiers optimized for
  • I/Q applications with 1 GHz, differential DC-coupled  output
  • Maximum bandwidth and flatness for direct RF applications with AC output bandwidth to > 1.5 GHz
  • Time domain applications with low overshoot and jitter
  • 16 M points or 64 M points per channel
  • 8-bit external input for dynamic control of segments and sequences
  • Advanced sequencing scenarios define stepping, looping and conditional jumps of waveforms or waveform sequences for best memory usage
  • Smart trigger allows trigger hold-off and programmable pulse width
  • Trigger input is programmed to wait for waveform end or abort waveform and restart
  • Two markers for each channel have controlled marker positions, widths and levels
  • Markers do not reduce DAC bits
  • Internal flash memory stores settings and waveforms
  • Remote control through LAN, USB and GPIB
  • Waveforms and instrument settings can be uploaded from disk-on-key
  • Integration in
  • MATLAB
  • NI LabVIEW
  • Keysight BenchLink Waveform Builder Pro

Overcome Your Test Challenges With the 81180B Arbitrary Waveform Generator

Electronic devices continue to grow increasingly complex, and the demand for higher performance never ends. In addition, you are under pressure to reduce test times and tighten specifications. The complexity of modern wireless systems skyrockets when you use techniques like digital modulation that compress wireless data to use bandwidth more efficiently. Test accuracy and repeatability are critical. In radar applications, a higher range helps you detect targets further out, and increased accuracy helps you better track targets. Range is proportional to the length of a pulse, so parameters like pulse length and pulse repetition frequency influence the radar range and range resolution. You need to be able to verify the performance of your radar system. Commercial off-the-shelf waveform packages are seldom available for devices under test used in aerospace and defense applications, so testing system performance is challenging. To test your DUTs to their limits, you need flexible stimulus generating capability for any signal you can imagine.

New High-bandwidth, High-resolution Arbitrary Waveform Generator Helps You Test With Confidence The Keysight Technologies, Inc. 81180B arbitrary wave[1]form generator provides 4.6 GSa/s, 2 GHz IQ modulation bandwidth and 12-bit vertical resolution for applications where waveform resolution is an issue. Data-centric warfare requires real-time data and video communication. Satellite designers are pushed to use bandwidth greater than 1 GHz bandwidth. In addition, these bandwidths need to be available at higher carrier frequencies up to 44 GHz. New emerging standards call for up conversion up to 60 GHz. These setups require a reliable and precise modulation source. Any signal distortion gets multiplied by each of the test instruments, making it difficult to pinpoint a DUT failure. When the foundation for your signals is more precise, your test results are more meaningful. You want to test your DUT, not the source.

Use Models of 81180B

In this setup, the 81180B is used as a 2-GHz IQ modulation source. The Keysight E8267D performance signal generator Option 016 is needed for the 2 GHz IQ modulation input. You can use markers in conjunction with the pulse modulation to suppress the signal in the pulse pauses. The markers don’t reduce the number of bits, so using markers improves waveform resolution instead of reducing it. You can use the 81180B for generating direct RF signals up to 1.5 GHz with a good signal waveform resolution.

Generate versatile waveforms

An arbitrary waveform generator is ideal for generating multiple waveform formats, so you can achieve interoperability between terrestrial and space-based communication devices. In addition to the flexibility of an arbitrary waveform generator, the 81180B gives you unprecedented flexibility with respect to channels. The instrument can run either in uncoupled mode so both channels work independently or in coupled mode, either phase coherent or with a defined delay between them. You can couple two 2-channel instruments to form a 4-channel instrument to simulate multiple emitter or receivers, such as multiple aircraft, where each could be designated as a target. By synchro[1]nizing the channels, you simplify your test setup and align the frequency and phase of the signals.

Increase Your Signal Play Time With Advanced Sequencing

The closer your test signals are to the real-world situation, the better your test results will be. A key requirement is long signal play time, which means you need a big memory. The 81180B offers the choice between two memory sizes: 16 MSa and 64 MSa. For the best memory usage, a sequencer helps you create versatile, unique signals.

In advanced sequencing scenarios you can define steps, loops and conditional jumps of waveforms or waveform sequences. You can set up to 1 advanced sequences per channel. Each sequence contains up to 16,000 different segments. Up to 1,000 sequences are possible. The 81180B offers the choice between two memory sizes: 16 MSa and 64 MSa. For the best memory usage, a sequencer helps you create versatile, unique signals. Keysight 81180B sequence example: Increase Your Signal Play Time With Advanced Sequencing With this powerful sequencer, you can easily set up communication between ground stations and airborne devices. After an initiation sequence, the signal can contain separate transmission sequences followed by different messages. In some applications it is important to change quickly between different waveforms to minimize reconfiguration time. The sequencer allows you to download different test setups into memory. It is possible to directly access the memory via a 8-bit and 9-pin external input, which accepts TTL signals. You can select up to 256 segments or sequences via this dynamic segment/sequence control input. It can act as a dynamic switch between the sequences and segments as well.

You can easily set up simple waveforms like sine waves, pulses, or ramps from the front panel of the 81180B. Complex modulation or arbitrary waveforms require waveform creation tools to create realistic signals.

You can choose between tools like MATLAB software, NI LabVIEW and Visual Studio with IVI or Keysight waveform creation tools like Keysight BenchLink Waveform Builder Pro and Keysight wideband waveform center. With the optional BenchLink Waveform Builder Pro you can simply create custom, user-defined waveforms and import other waveforms from MATLAB and oscilloscopes measurements.

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