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The HP 5352B provides fast and precise measurements from 10 Hz to 40 GHz (46 GHz optional) and features microwave components that are integrated on a single hybrid gallium arsenide (GaAs) circuit for added speed and reliability. The 5352B distinguished by wide frequency coverage, exceptional sensitivity, fast tracking, high measurement throughput, and wide FM tolerance. Built-in microprocessors provide math functions, including measurement scaling and offset. Automatic amplitude discrimination measures the frequency of the highest-amplitude signal in a multi-signal environment. A full set of diagnostic routines provides general information and troubleshooting. The 5352B integrates easily into test systems. English-like commands simplify integration with other components, and the easy-to-read liquid crystal displays can serve as message centers for the system. Features Frequency range from 10 Hz to 40 GHz (46 GHz with Opt. 005) directly measures in millimeter wave range, without expensive mixers Sensitivity to -32 dBm ensures accurate measurement of low-energy signals Low kickback noise for sensitive environments; sleep mode reduces noise to -70 dBm Fast acquisition time (60 ms in automatic, fast acquisition tracking mode; 20 ms in manual mode) for improved throughput. Up to 120 measurements per second (100 in automatic mode) over HP-IB (fully programmable) Fast tracking speed allows effortless tracking of source drift to 1 GHz per second; ideal for measuring the response of voltage-controlled oscillator to voltage-source tuning.