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Agilent HP 8981A VECTOR MODULATION ANALYZER The HP 8981A contains powerful aids which allow a user to make precise measurements on today's advanced digital communication and radar receivers. Communications advances, such as spectrally efficient, digital microwave radios, dictate new standards for performance testing and new methods for looking at signals. Traditionally tests have been made using an oscilloscope with eye diagrams. The HP 8981A takes this testing one step further and provides, in addition to eye diagrams, wide-band Q vs. I diagrams. Many measurement features have been tailored for automatic radio testing, such as constellation analysis of common modulation formats and built in phase/magnitude markers. Testing advanced radars largely consists of digitizing the I and Q channels and having a computer analyze the signals. The HP 8981A, with its real-time visual display of phase and magnitude, allows a user to make and view the measurements on the screen. Phase slopes and transients can be easily seen and quantified. The effects of adjustments on the receiver will be immediately seen, thus greatly reducing test and alignment time. The many standard features provide versatile and convenient measurements, allowing a user to isolate the source of errors instead of just making go/no go tests. 50 - 200 MHz modulated IF input frequency range 100 MHz baseband bandwidth with external I/Q filters and 35 MHz with internal filters Automatic internal/external demodulator calibration Includes a calibrated baseband analyzer which connects to the I and Q outputs of your receiver's demodulator Adds a vector demodulator for IF measurements Connects to the IF output of your transmitter and to the coherent reference Measures signal magnitude and phase of standard digital communication and radar signals Performs constellation analysis of quadrature error, lock angle error and closure Design enables quick, visual, intuitive measurements Gives quantitative data about a signal's modulation Ability to quickly identify problem sources and measure their magnitude Condition: RECONDITIONED WITH 30 DAY WARRANTY Units are sold AS-IS without accessories, probes or power cords unless specifically mentioned in the above description. No implied or expressed warranty unless otherwise stated. |