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The HP 8508A Vector Voltmeter is a fully automatic tuned receiver that makes RF voltage and phase measurements easy. Its narrowband measuring technique gives it a dynamic range of over 90dB and a sensitivity of 10 uV to trace even the smallest signal. The HP 8508A also measures the phase difference between its two input channels with at least 0.1 degree resolution over a full + 180 to -180 degree range, so it can be used for another complete set of measurements - like electrical length, phase distortion or impedance. The standard HP 8508A is supplied with the HP 85081A Input Module, and has two high impedance probe inputs that operate from 100 kHz to 1 GHz. Its ability to store a reference and use it in later measurements means individual circuit sections can be characterized and adjusted independently. Any CW source can be used as a stimulus - even a source that is part of the device being tested, so measurements can be made under normal operating conditions. Specifications. Frequency Range: 100 kHz - 1 GHz (300 kHz - 2 GHz). Maximum Input: 2V peak ac (+ 16 dBm), ±50V dc. Options. Opt 001: Add bail handle and front protective cover. Opt 050: Replace HP 85081 A Input Module with HP 85082A Input Module. Opt 100: Delete Input Module.
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