A device that integrates 2-port vector network analysis, cable/antenna analyzer, vector voltmeter, spectrum analysis, electric field strength measurement, etc.
This is a newly upgraded comprehensive radio frequency tester. The frequency range is from 9 kHz to 6.5 GHz. Compared to previous products in the same frequency band, the 4957B radio frequency comprehensive tester not only has significantly improved indicators but also enhanced various testing functions.
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basic information
**Main Features** - Equipped with a super high-definition 8.4-inch touchscreen that supports normal, night, and outdoor display modes, automatically adjusting brightness regardless of strong light or dark environments. - Rich testing functions: cable and antenna analyzer, spectrum analysis, vector network analyzer, USB power measurement, and vector voltmeter, along with a variety of additional testing functions in different measurement modes. - Ultra-low display average noise level: ≤-160dBm/Hz @ 1GHz - Excellent phase noise specifications: ≤-112dBc/Hz @ 100kHz (CF = 1GHz) - Wide dynamic range: ≥95dB - Cable and antenna fault location testing - Multiple power supply methods: AC power via adapter, DC power, built-in battery power, with a battery life of up to 3 hours. - Energy-saving sleep function. When the sleep function is ON, the display automatically turns off or shuts down after a certain period of inactivity, saving energy and power, effectively extending battery operating time and battery life.
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Detailed information
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The 4957B RF handheld multifunction analyzer integrates measurement modes such as cable and antenna analysis, spectrum analysis, vector network analysis, USB power measurement, and vector voltmeter, making it suitable for a wider range of measurement scenarios.
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In spectrum analysis mode, it is equipped with one-key integrated test functions such as channel power, occupied bandwidth, adjacent channel power, analog demodulation, interference map, spurious mask, carrier-to-noise ratio, IQ capture, and audio monitoring. This is useful for solving more field test issues.
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The vector network analyzer adopts a 2-port measurement and provides standard S-parameter vector network analysis functions, as well as measurement capabilities such as time domain measurements, multi-measurement formats, and multi-window measurements. It can be used for S-parameter testing of amplifiers, filters, attenuators, and duplex components. It is particularly useful for external field measurements of antennas, connectors, cables, and more.
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The frequency range of the 4957B RF Spectrum Analyzer is 9kHz to 6.5GHz, with a possible DANL of -140dBm, and it can reach -160dBm when the preamplifier is turned on, with phase noise better than -112dBc/Hz @ 100kHz. This functionality effectively ensures the ability to test weak signals. <Excellent phase noise performance>
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Excellent DANL
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In the vector network analysis mode of the 4957B RF analyzer, the frequency range is from 30 kHz to 6.5 GHz, and the dynamic range can reach up to 95 dB, making it convenient to measure the DUT quickly and efficiently with a high rejection rate.
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DTF measurement in night mode
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Company information
As a company that provides unique and innovative solutions in EMC testing and general measurement, Wavecrest Corporation is active in this field. The increasingly sophisticated electronic and communication environment not only affects the performance of its products but also serves as a social infrastructure that impacts the overall safety of society, requiring high levels of safety and reliability. We aim to provide new products and solutions that the market needs, without being constrained by traditional testing methods and equipment.
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