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81199A Wideband Waveform Center

Data Sheets

Overview

The trend continues: Increasingly convenient wireless access is driving de­mand for more data in less time. As transmission rates climb, it puts additional strain on components, infrastructure, frequency spectrum and developers. The demand for wideband data is also inspiring the creation of new standards that utilize increasingly complex modulation schemes to transmit more data

through the available spectrum.

To help you keep pace with higher frequencies, wider bandwidths and new standards, Keysight Technologies, Inc. has created the 81199A Wireless

Waveform Center software. Key elements include the Wideband Waveform Creator signal-generation application and the Wideband Waveform Analyzer application. Both support emerging wideband modulation formats such as Wireless HD and IEEE 802.11ad.

Assemble a flexible and realistic solution

For every new device, product development includes testing and debugging of both the transmitter and receiver sections. Independent of the standard, a flexible and realistic test solution includes four key elements:

  • Waveform creation
  • Arbitrary waveform generation
  • Frequency upconversion and downconversion
  • Spectrum and signal analysis

 

Keysight offers all of these elements, and each is addressed in the pages of this over­view. With this combination of advanced tools, you’ll be well equipped to keep meeting the needs of data-hungry end users.

Keep it simple with drag-and-drop waveform creation

A variety of powerful software tools are available for waveform creation at baseband frequencies. For those who work with a Keysight arbitrary waveform generator (AWG), the most popular choices have been SystemVue from Keysight and MATLAB from The MathWorks. The newest member of the list is Keysight’s Wideband Waveform Creator.

As part of the Wideband Waveform Center, the Wideband Waveform Creator makes it easy to test emerging modulation formats such as Wireless HD and IEEE 802.11ad. The WiGig standard has been incorporated into the IEEE 802.11ad standard. The major capa­bilities and functions are shown in the figure.

For each standard, Wideband Waveform Creator includes a library of individually con­figurable waveform segments. Assembling a signal is a matter of dragging and dropping waveform segments and then assigning essential attributes related to encoding and modulation. You can also add noise, IQ impairments and user-defined pre-distortion for uplink compensation and other such functions. The final steps are selecting a sample rate that matches the AWG and then downloading the signal to an AWG or a file.

Enhance your reality with arbitrary waveform generation

When testing 60 GHz wireless signals, one of the biggest challenges is creating test signals with 2 GHz modulation bandwidth, which is up to 100 times wider than that of the IEEE 802.11ac standard. Our latest generation of arbitrary waveform generators can meet the challenge: the standalone Keysight 81180B 4.6 GSa/s AWG instrument and the AXIe-based Keysight M8190A 12 GSa/s AWG module.

Key features of the 81180B include 12-bit resolution, up to 64 MSa memory, and

advanced sequencing capabilities. The standard 81180B includes one output channel, and it can be configured with a second output channel to support generation of complex I/Q modulation. A single channel can also be configured to directly generate IF signal with up to 2 GHz modulation bandwidth on a carrier frequency of up to 1.5 GHz.

The M8190A can operate in two different modes: 12-bit resolution at up to 12 GSa/s, or 14-bit resolution at up to 8 GSa/s. The 14-bit mode provides the highest possible spurious-free dynamic range (SFDR) at wide bandwidth, and the 12 GSa/s mode enables generation of direct IF signals up to 5 GHz. To maximize flexibility, switching between the two modes can be done on the fly via software control. In either the 12- or 14-bit mode, the availability of up to 2 GSa of memory combined with advanced sequencing capabili­ties ensures long playback times when you’re creating complex signal scenarios.

With Keysight, you can take reality to the extreme. The 81180B and M8190A AWGs are the sources of greater fidelity, delivering high resolution and wide bandwidth simultaneously. This unique combination lets you create signal scenarios that push your designs to the limit and bring new insight to your analysis.

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