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Help CenterCeyear 4957D Microwave Analyzer，100kHz / 30kHz to 18GHz
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Ceyear 4957D Microwave Analyzer，100kHz / 30kHz to 18GHz
Microwave Analyzer 4957B ： 9kHz / 30kHz to 6.5GHz
Microwave Analyzer 4957D ：100kHz / 30kHz to 18GHz
Microwave Analyzer 4957E ： 100kHz / 30kHz to 26.5GHz
Microwave Analyzer 4957F ： 100kHz / 50MHz to 40GHz
Main Characteristics
• Rich test functions: antenna feeder test, vector network analysis, spectrum analysis, field strength
measurement, power monitoring, vector voltage measurement, USB power measurement, etc.
• Small size, light weight, secondary environmental adaptability, easy to carry and test in special occasions
• 8.4-inch LCD touch screen, easy to operate, friendly man-machine interface, visual display
• Test data can be stored and called, and three kinds of storage media are available: 1.5G or more high-
capacity internal storage, USB external storage, SD external storage
• Battery powered, suitable for field use, intelligent power management, with remaining battery
capacity indication and low battery alarm function, and sleep energy-saving function
• With six-independent cursor display function, and the cursor position can slide with the finger
• With data storage, playback and comparison functions
• With USB, LAN and other interfaces for program control and data transmission
Product Overview
With frequency range of 6.5GHz/18GHz/26.5GHz/40GHz, 4957B/D/E/F microwave analyzers integrate multiple functions such as dual-port vector network analysis, cable and antenna feeder test, vector voltage measurement, spectrum analysis (channel power, adjacent channel power, occupied bandwidth, interference analysis and frequency counting), field strength measurement and power measurement, providing you with powerful comprehensive test capabilities.
Dual-port vector network analysis can make comprehensive RF network parameters measurement quickly and accurately, providing logarithmic, linear, phase, group delay, impedance chart, polar coordinate, SWR and other display formats, and providing time domain measurement options.
Cable and antenna feeder test can measure the SWR, return loss, impedance, cable loss and other parameters of microwave networks such as antenna feeders, transmission lines and cables, and can conveniently measure impedance discontinuity points in feeders and cables, with DTF function.
The vector voltage measurement function adopts an integrated solution instead of the traditional vector voltmeter to accurately test the electrical length of cables and some other devices under test.
Spectrum analysis is a spectrum analyzer with standard functions, which can measure the spectrum characteristics comprehensively in an electromagnetic environment.
The field strength measurement function has a friendly user interface and higher test sensitivity. With the corresponding test antenna, it can effectively monitor the electromagnetic spectrum and is widely used in space electromagnetic environment monitoring and radio management.
The USB power sensor is configured to achieve large dynamic range and high-precision power measurement, and can also carry out power monitoring through the spectrum input port.
Typical Application
4957B/D/E/F microwave analyzers are compact and portable. With many test parameters and
comprehensive test functions, they are very suitable for multi-parameter test occasions, and can be
battery-powered. As a powerful tool for field engineering installation, debugging, daily maintenance and
repair of various microwave electronics, the testers can be widely used in various fields such as radar,
communication, radio & television and radio management, and are also a good choice for teaching in
colleges and universities.
Test of main performance parameters of radar
With full functions, 4957B/D/E/F analyzers can test the main performance parameters of radar antenna
feeder, transmitting/receiving subsystem and other subsystems up to 6.5GHz/18GHz/26.5GHz/40GHz,
including the SWR, reflectance, insertion loss, return loss and impedance characteristics of antenna
feeder subsystem, the transmitting signal frequency and spectrum characteristics of transmitting
subsystem, and the center frequency, gain, differential loss, bandwidth and dynamic range of receiving
subsystem.
Multi-parameter test in such fields as cable TV and wireless communication
Cable TV, cellular telephone system, digital mobile communication operators and equipment
manufacturers use 4957B/D/E/F testers to perform integrated test on spectrum distribution, antenna
feeder contact performance, S parameters of components and parts and feedthrough power in the field.
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