Spectrum Analyzer : Anritsu MS2602A

The MS2602A is a modern high-performance spectrum analyzer. It has been designed to meet the needs of a new era of expanded use of frequencies in the quasi-microwave band and the trend toward higher performance and more digitized radio equipment. The MS2602A covers frequencies between 100 Hz and 8.5 GHz and can analyze frequencies up to three to five times the higher harmonics range of domestic digital cordless telephones (1.9 GHz), digital car phones, portable phones (1.5 GHz), and private mobile telephones (1.5 GHz). The MS2602A has a high signal purity (C/N ?120 dBc/Hz, 100 kHz offset) and low distortion (?100 dBc, 850 MHz minimum) and can accurately measure high performance radio equipment and electronic parts over a wide dynamic range. Time domain and burst measurement functions allow analysis of various burst signals, including time division multiplex (TDM) digital radio communication systems. Adjacent channel leakage power and other high-speed analysis functions for evaluating the performance of radio equipment are provided as standard. An optional PTA function, which allows the test method for each application to be freely programmed, is also available. FEATURES High C/N, low distortion, high accuracy Time domain measurement (high speed, high resolution, pre-trigger function) Dual-display mode (frequency domain/time domain, foreground/background) Many marker functions (zone marker, multi-marker, etc.) FM demodulated waveform display PTA (Personal Test Automation: option) QUALITY BASIC FUNCTION ? High C/N The excellent low wideband noise level (?120 dBc/Hz or better, 100 kHz offset) of the MS2602A is more than enough to measure the adjacent channel leakage power of digital mobile communication equipment (see below). This is essential to cope with the widening of the communication channel bandwidth by digitization. ? Low distortion characteristics Second harmonic distortion: The MS2602A has a wide dynamic range with a second harmonic distortion of only ?100 dBc (mixer input level ?20 dBm) for signals from 850 MHz to 4.25 GHz. Two signals, 3rd intermodulation distortion: The superior inter-modulation distortion of the MS2602A is perfect for nonlinear evaluation of such devices as high-power amplifiers. (?85 dBc: mixer input level ?30 dBm, 50 kHz separation) ENHANCED BURST SIGNAL ANALYSIS FUNCTION ? Time domain measurements High-speed, high resolution: High-speed sweep of 5 ?s/div allows accurate measurement of the rising/falling edge times (10.4 ?s) of digital cordless telephone burst signals (see below). A high-speed 10- bit A/D converter permits high-accuracy template (limit line) comparison measurement at a vertical axis resolution of 0.1 dB at 10 dB/div. Standard pre-trigger function: The pre-trigger function displays the waveforms before the trigger point (one screen) and allows the rising/ falling edge times of burst signals to be measured accurately (see below). An internal video trigger allows stable pre-trigger operation without an external trigger signal. Overwrite display function: The convenient overwrite display function lets you monitor changes in the rising/falling edge characteristics of burst analysis waveforms. ? Burst spectrum measurements The gate width can be set with the cursor while viewing time domain burst waveforms (see below). The gate width can also be set in the time domain mode while observing the spectrum after the gate by displaying both the frequency domain and time domain on the dual display. RADIO EQUIPMENT EVALUATION FUNCTIONS ? Simple measurement of official standards The MS2602A simplifies such complicated measurements as average burst signal power, adjacent channel leakage power, occupied bandwidth, and burst rising/falling edge time template comparison measurement. High-speed processing displays the measured result in 0.8 seconds (processing time). ? Average burst power measurement The burst signal power is measured by separating it into on and off power period (see below). The MS2602A uses time domain measurement to measure the average power of the selected zone by the marker. ? Occupied bandwidth measurement High span width accuracy permits the occupied bandwidth to be accurately measured (see top screen in adjoining column). The occupied bandwidth can be measured by the percent method or X dB method. The measurement center frequency is simultaneously displayed. ? Adjacent channel leakage power measurements The channel separation of digital mobile communications equipment is wide and requires a high C/N over a wide frequency range of fifty to several hundred kilohertz (see below). The MS2602A uses a high purity local oscillator to realize a high C/N and wide dynamic range. The channel separation and bandwidth parameters of the adjacent channel leakage power measurement can be freely set. ? Template (limit line) comparison measurement The rising/falling edge of burst waveform with template comparison measurements can be performed and GO/NO-GO decisions can be made (see below). Up to two upper and lower limit lines can be set on one template. For instance, up to five official standards and in-house standards can be set and stored.

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• Model: MS2602A
• Manufactured by: Anritsu