From Anritsu:
Introduction:
The Anritsu MT8221B BTS Master is an integrated multi-functional base station test tool that eliminates the need to carry and to learn to use multiple test sets. The MT8221B measurement capabilities include spectrum analyzer smart measurements, precision return loss, VSWR, cable loss, distance-to-fault, two port gain/loss, one-port and two-port magnitude and phase, interference analysis, spectrogram, and power meter. RF, advanced demodulation, and over-the-air (OTA) measurements can be applied to these signals: WCDMA/HSDPA, GSM/GPRS/EDGE, Fixed WiMAX, Mobile WiMAX, CDMA and EVDO, DVB-T/H, TD-SCDMA, LTE, and TD-LTE.
Frequency Range
The BTS Master MT8221B has a frequency range of 400 MHz to 4.0 GHz Cable and Antenna Analyzer, 150 kHz to 7.1 GHz Spectrum Analyzer, and 10 MHz to 7.1 GHz Power Meter. This base station analyzer supports 4G standards and installed 2G/3G networks. The MT8221B’s platform provides a 20 MHz demodulation capability to support LTE bandwidths from 1.4 to 20 MHz. It also features a 30 MHz Zero-Span IF Output for external demodulation.
Additional Capabilities
Additional capabilities include a Vector Signal Generator (VSG), GPS location information, enhanced frequency reference oscillator accuracy, T1 measurements (including Vpp), E1 – 2 Mb/s measurements, T3 measurements, and listening to DS0/VF channels. The BTS Master base model has cable and antenna analysis (MT8221B: 400 MHz to 4.0 GHz), spectrum analysis (150 kHz to 7.1 GHz), and an internal power meter (10 MHz to 7.1 GHz). The unit’s Vector Network Analyzer performs the cable and antenna analysis. This VNA makes accurate vector-corrected 1-port and 1-path, 2-port magnitude and phase measurements from 400 MHz to 6 GHz.
Synthesizer-Based Spectrum Analyzer
The MT8221B BTS Master is also a synthesizer-based spectrum analyzer that can provide quick and accurate measurement results. This unit takes easy measurements of the functions: frequency, span, amplitude, and bandwidth. Dedicated keys for one-button measurements of field strength, channel power, occupied bandwidth, Adjacent Channel Power Ratio (ACPR), and Carrier to Interference Ratio (C/I) make the handheld MT8221B the ideal choice for the field. A familiar calculator-type keypad allows for fast data entry.
Transmitter Analyzer
In transmitter analyzer mode, the MT8221B BTS Master displays 6 markers and the marker table in Code Domain Power and Codogram displays. In Spectrum Analyzer mode, a full range of marker capabilities (such as peak, center, and delta functions) are provided for faster, more comprehensive analysis of displayed signals. Upper and lower multi-segmented limit lines are available to create quick, simple pass/fail measurements. A vertical line marker is available with the histogram displays of BERT measurements in the T1/T3 Analyzer. Markers are not available in GSM mode.
Convenient Specifications
Time and date stamping of measurement data is automatic. The internal memory provides for storage and recall of traces and measurement setups. The bright daylight-viewable, high-resolution, color liquid crystal display (LCD) provides easy viewing in a variety of lighting conditions. A fully charged battery will continuously operate the BTS Master for approximately 2.5 hours. The MT8221B also operates from a 12v DC source, which will simultaneously charge the battery.
Anritsu Master Software Tools (MST), a PC-based software program, provides a convenient means for storing measurement data. Master Software Tools can also convert measurements from the BTS Master display into several graphic formats. Master Software Tools supports all of the options that are provided with the BTS Master.
Measurements may be stored in internal memory or in a USB Flash drive. Stored measurements can be downloaded to a PC by using the included USB and Ethernet cables. After being stored, a graphic trace can then be displayed, scaled, or enhanced in Master Software Tools. Use a PC mouse in a drag-and-drop method to overlay historical graphs can with current data. The underlying data can be extracted and used in spreadsheets or for other analytical tasks.
