Product specs for Anritsu MS2781A

Anritsu MS2781A

Product Description:

Anritsu MS2781A High Performance Signal Analyzer

The Anritsu MS2781A spectrum analyzer is a wide band, very sensitive receiver. It works on the principle of "super-heterodyne receiver" to convert higher frequencies (normally ranging up to several 10s of GHz) to measurable quantities. The received frequency spectrum is slowly swept through a range of pre-selected frequencies, converting the selected frequency to a measurable DC level (usually logarithmic scale), and displaying the same on the CRT of the Anritsu MS2781A. The CRT displays received signal strength (y-axis) against frequency ( x-axis).

Some applications for Anritsu MS2781A Spectrum Analyzers include Site Monitoring: Verify that the frequency and signal strength of your transmitter is accurate. Interference: Before a system is installed you use a Anritsu MS2781A spectrum analyzer to verify that the frequencies (you plan to use) are not occupied or if the presence of a very strong signal will interfere with your new setup. Interference can be created by a number of different situations. Other tests that utilize the Anritsu MS2781A spectrum analyzer features include antenna isolation, co-channel interference, adjacent channel power, occupied bandwidth, intermodulation, microwave or satellite antenna alignment, and characterization of components.

The Anritsu Signature High Performance Signal Analyzer provides exceptional engineering insight for advanced RF & communications products. Signature takes signal analysis to the next level by providing four key capabilities:
  • Excellent measurement performance
  • Ease-of-use
  • Fully functional and upgradeable built-in PC with open Windows® XP environment
  • Compatibility with industry leading simulation tools such as MATLAB® and Simulink® Product Capabilities


  • Frequency Range: 100 Hz to 8 GHz
  • Resolution Bandwidths: 0.1 Hz to 8 MHz
  • Third Order Intercept (TOI): >+23 dBm
  • Displayed Average Noise Level (DANL): <-147 dBm at 1 GHz
  • Amplitude Accuracy: <0.65 dB over entire frequency range
  • Phase Noise at 1 GHz: <-115 dBc/Hz at 100 kHz; <-140 dBc/Hz at 5 MHz
  • WCDMA ACPR (Adjacent Channel Power Ratio): >80 dB (typical)
  • Demodulation Bandwidth of 30 MHz (option 22)
  • EVM (Error Vector Magnitude): <2%, <1% for < 10 Ms/s (options 22 & 38)
  • Ease of Use
  • Simple front panel with large touch screen display
  • Familiar Windows XP environment
  • "Smart" measurements
  • Comprehensive documentation built in
  • Fully functional built-in PC with open Windows® XP environment
  • Advanced connectivity (USB, 100BASE-T, Web Services, plus GPIB & printer)
  • Test-station controller
  • Supports Microsoft Office
  • Compatibility with Industry Leading Simulation Tools
  • Easily export data from Signature to MATLAB or Simulink for advanced analysis
Supplied with:
  • Power Cord
  • Operating Manual on CD-ROM
  • Restore software DVD-ROM
  • USP Optical Mouse
  • Blank CD R/W disc
  • Spare Fuse

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