Anritsu MS2721B
Spectrum Master, 9 kHz to 7.1 GHz

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Product Overview

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The Anritsu MS2721B Spectrum Master handheld Spectrum Analyzer is designed to conduct highly accurate analysis on the new wave of wireless LAN and cellular signals, including 802.11a, 3G, ultra-wideband, WiMAX, and wireless medical patient monitoring systems. The MS2721B is ideal for AM and FM broadcast proofing because the wide dynamic range and low phase noise make NRSC measurements on analog and IBOC signals easy with no need for an external carrier notch filter.  The MS2721B is a small and easy to use portable spectrum analyzer with unprecedented measurement capability for applications up to 7.1 GHz. Weighing in at less than 7 pounds, it is equally at home on the engineering bench and in the field.

Options for this instrument enable the user to add W-CDMA/HSDPA, CDMA, EDVO, DVB-T/H, ISDB-T, GSM/GPRS/EDGE, TD-SCDMA, Fixed WiMAX and Mobile WiMAX measurements.  The tracking generator option delivers specified performance from 400 kHz to 7.1 GHz.  A GPS receiver can be added to allow measurements to be location-stamped and to greatly improve time base accuracy. Another option adds spectrogram, signal strength and RSSI.  There is an option to add a user definable channel scanner option that is excellent for interference mitigation work in complicated RF environments.

Several smart measurements are built into the Anritsu MS2721B, including channel power, adjacent channel power ratio, Carrier to Interference ratio (C/I), and field strength. In addition, an AM/FM/SSB demodulator is included. Demodulated signals can be monitored using the internal speaker or by using a universal 2.5 mm 3-wire headset, such as used with many cellular phones.

The MS2721B spectrum analyzer has low phase noise of -100 dBc/Hz @ 10 kHz offsets, best in its class typical DANL of -163 dBm in a 1 Hz RBW, resolution bandwidth (RBW) range of 1 Hz to 3 MHz and video bandwidth (VBW) range of 1 Hz to 3 MHz. It also has the fastest sweep speeds of any spectrum analyzer in its class. It automatically sets the fastes possible sweep speed consistent with accurate measurement results.

The use of Compact Flash memory modules or USB Flash Drives up to 2 GB allows an unlimited number of traces and setups to be stored. Measurements may be stored directly to the compact flash module or the USB Flash drive. A 512 MB module will hold over 20,000 Spectrum Analyzer measurements. Remote programming using the Ethernet 10/100 Base-T connection is provided using SCPI programming. The Ethernet connection gives the user flexibility in remotely operating the instrument using Anritsu's remote access software, shipped with the product. Measurements and setups may be uploaded and downloaded using either the Ethernet or the USB connection.

Quasi-peak detection is included along with CISPR resolution bandwidths.

Features of the MS2721B Spectrum Master include:

• Handheld, battery-operated design
• Large daylight viewable transflective color display
• Built in pre-amplifier (standard)
• Lightweight at only 6.9 lbs (typical)
• Best in class Displayed Average Noise Level < -163 dBm typical in a 1 Hz resolution bandwidth at 1 GHz
• Quick Zoom-in, Zoom-out display in 1-2-5 sequence
• RBWs: 1 Hz to 3 MHz in 1-3 sequence
• VBWs: 1 Hz to 3 MHz in 1-3 sequence
• Automatic or manual input attenuator control
• Amplitude Accuracy +/- 0.5 dB typical
• Dedicated smart measurements
• Trace Averaging
• Normal, Max hold, Min hold, user settable averaging (more than 65,000 traces can be averaged!
•  Reference Level Offset
• Three traces
• Multilingual User Interface (English, Chinese, French, German, Japanese, Spanish, Korean, Italian)
• Capability to create two custom languages using Master Software Tools and download the languages into the MS2721B
• Store over 1000 test set-ups internally
• Save over 1000 measurement traces internally
• Save directly to compact Flash or USB Flash Drive
• Alphanumeric labeling of saved measurement
• Automatic time and date stamp of saved dat
• Rechargeable/field-replaceable Li-Ion batter
• 6 Markers plus 6 delta markers or choose one marker with 6 delta markers
• Multi-segmented upper and lower limit lines
• 50-ohm Interface standard (75-ohm interface capability - instrument internally corrects for adapter loss
• RJ45 Ethernet 10/100 Base T and USB 2.0 Interface
• AM, FM and SSB demodulation with built-in speaker and headset jac
• Quasi peak detector with CISPR bandwidth included