Anritsu MS2781B Signal Analyzer

Engineered for precision in advanced communication testing, the Anritsu MS2781B Signal Analyzer is an essential tool for professionals in the fields of WiMAX, WCDMA, HSDPA/HSUPA, and QAM/PSK measurements. Leveraging the power of modern simulation and analysis tools, such as MATLAB® and Simulink®, the MS2781B operates seamlessly within the first open Windows environment designed for signal analysis. Its built-in "Smart" measurements simplify the evaluation of complex signals, making it an invaluable asset for engineers developing innovative communication systems.

Key Features

• Wide Frequency Range: Coverage from 100 Hz to 8 GHz, employing a fundamentally mixed, single band architecture.
• High Bandwidth: Capture and analyze signals with up to 50 MHz bandwidth efficiently.
• User-Friendly Interface: Intuitive touch-screen display allows easy access to functions and “smart” measurements with a single button push.
• Performance Metrics: +22 dBm TOI and -157 dBm DANL provide robust performance measurements for your testing needs.
• Amplitude Accuracy: Achieve precision with a 0.65 dB amplitude accuracy.

Advanced Measurement Capabilities

Phase Noise measurements can be accurately completed with option 52. Use markers in the spectrum display for measuring phase noise at one offset frequency, or analyze phase noise across various offset frequencies. Flexibility in adjusting offset ranges, sweep types (FFT or swept), and averaging enhances the measurement process. Multiple measurements can be color-coded and overlaid for comparative analysis under conditions like carrier frequency or bias voltage.

With option 40, advanced analysis via MATLAB® and Simulink® allows for efficient testing of chirp frequency linearity, EVM versus power, and more with minimal coding.

Comprehensive Signal Analysis

The MS2781B is equipped to analyze a wide array of digitally modulated signals without the need for an external computer. Gain a deeper understanding of your transmitter's performance through the powerful capabilities offered in Signature.

WCDMA/HSDPA/HSUPA Measurements:

• Make invaluable modulation quality measurements with Option 30, including Code Domain Power, EVM versus time, and Constellation Diagrams. Analysis extends to RF measurements of Channel Power, ACLR, Multi-carrier Channel Power, CCDF, and Spectrum Masks.

QAM/PSK Modulated Signals:

• Utilize Option 38 for General Purpose QAM/PSK Modulation Analysis, allowing selection of symbol rates, modulation types, and filtering methods. Standard measurements include EVM, carrier leakage, and I/Q imbalance.

WiMAX and WiBro Measurements:

• Option 41 provides an efficient route to modulation quality measurements like Relative Constellation Error (RCE), IQ Offset, and Carrier Frequency Offset, including graphical displays.

Advanced Connectivity:

The Anritsu MS2781B supports a comprehensive range of connectivity options to meet modern design and manufacturing requirements:

• GPIB
• USB
• Ethernet
• Web-based automation
• Web-based operation

Specifications

• Frequency Range: 100 Hz to 8 GHz
• Resolution Bandwidths: 0.1 Hz to 8 MHz
• 1 GHz Phase Noise:
  • < -116 dBc/Hz at 100 kHz
  • < -142 dBc/Hz at 5 MHz
• Amplitude Accuracy:
  • TOI: > +22 dBm
  • DANL: < -167 dBm at 1 GHz (0.1 Hz RBW)
• WCDMA and HSDPA/HSUPA Modulation Analysis: (Option 30 required)
  • Composite EVM: Floor 1%, Uncertainty: 2%
  • Link Direction: Downlink and Uplink
  • Code Domain Power: Floor: -50 dB, Uncertainty: 0.1 to 0.3 dB
  • Comprehensive modulation measurements available.
• QAM/PSK Digital Modulation: (Option 38 required)
  • EVM specifications across different bandwidths detailed.
• WiMAX and WiBro Modulation Analysis: (option 41 and 22 required): 46 dB
• Phase Noise Measurement: (option 52 required):
  • Offsets: 10 Hz to 100 MHz
• Operating System: Windows XP Professional