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The HP 8981B Vector Modulation Analyzer is a two channel X-Y sampling oscilloscope designed to analyze the in-phase(I) and quadrature phase(Q) components of digital microwave radio signals such as QPSK, 16QAM, and 256QAM. The 8981B has a 50 MHz to 200 MHz demodulator. - Analyzes coherent phase and amplitude modulation
- 350 MHz I vs. Q Bandwidth
- Markers for measuring phase, amplitude and time
- Displays magnitude and phase at time marker or magnitude and phase versus time
- 12-bit digitizing for HPIB measurements
- 50 MHz to 200 MHz I/Q demodulator
- Less then 0.5° quadrature and less then 0.1dB amplitude imbalance
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