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N5221A PNA Microwave Network Analyzer, 10MHz-13.5GHz
Category:
Network analyzer
Desktop network analyzer
Product Attachment:
- Product Description
- Selection
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- Brand: 是德科技
- Commodity name: N5221A PNA Microwave Network Analyzer, 10MHz-13.5GHz
- Brand: Keysight Technologies
N5221A Vector Network Analyzer: 13.5 GHz ultra-wideband measurement, reshaping the standard of RF testing
As a classic product of Keysight's PNA series, the N5221A is a vector network analyzer specifically designed for high-precision testing of RF components. Its basic frequency coverage ranges from 10 MHz to 13.5 GHz (extensible to 300 kHz with some configurations), combined with industry-leading dynamic range and flexible calibration technology, making it widely used in 5G communication, semiconductor research and development, satellite navigation, and other fields, providing engineers with efficient and reliable testing solutions.
I. Core Technical Indicators
Ultra-wide Frequency Coverage and High-Precision Measurement
The basic N5221A model supports wideband measurement from 10 MHz to 13.5 GHz, meeting the testing needs of most RF components (such as filters, amplifiers, and duplexers). Through optional expansion modules, the frequency range can be further extended to lower frequency bands (such as 300 kHz), suitable for low-frequency circuits and material characteristic analysis.
Industry-Leading Dynamic Range and Stability
127 dB system dynamic range: Achieves industry-leading signal capture capability in the 13.5 GHz band, clearly distinguishing weak signals from strong interference.
131 dB receiver dynamic range: Coupled with -114 dBm low noise floor (10 Hz IF bandwidth), ensuring measurement accuracy in complex electromagnetic environments.
<26 microseconds/point measurement speed: Supports 32,001 measurement points and 200 independent channels, significantly improving batch testing efficiency.
Intelligent Calibration and Multi-parameter Analysis Capabilities
Multi-scenario calibration technology: Supports high-precision calibration methods such as TRL/LRM, adapting to complex testing environments such as on-wafer, in-fixture, and waveguide, ensuring measurement consistency in different scenarios.
Simultaneous multi-parameter measurement: Can simultaneously analyze key indicators such as S-parameters (continuous wave/pulse), noise figure, gain compression, intermodulation distortion (IMD), and harmonic distortion, meeting the full characteristic characterization needs of active devices such as amplifiers and mixers.
II. Application Fields and Advantages
5G Communication and Millimeter-wave Technology
The N5221A can accurately analyze the S-parameters of 5G base station RF front-end modules. Its wide dynamic range and low-noise characteristics facilitate efficient debugging of millimeter-wave signals (such as 28 GHz and 39 GHz bands), shortening product launch cycles. Typical applications include:
RF chip linearity and power consumption optimization
Base station filter group delay and insertion loss testing
Amplitude and phase consistency calibration of millimeter-wave antenna arrays
Semiconductor and Material Research and Development
In conjunction with TRL/LRM calibration technology, the N5221A can perform high-resolution measurements on wafer-level devices, supporting:
Small-signal/large-signal characteristic analysis of gallium nitride (GaN) power amplifiers
Dielectric constant testing of high-frequency PCB substrates and new microwave materials
Process verification and yield improvement of semiconductor processes (such as lithography and etching)
Satellite Navigation and Radar Systems
In satellite communication equipment testing, the N5221A's wide dynamic range and low-noise characteristics can effectively evaluate the performance of transmit/receive modules, ensuring system reliability in complex electromagnetic environments:
Gain and directionality testing of satellite antennas
Pulse signal analysis and anti-interference capability evaluation of radar components
Amplitude and phase consistency calibration of phased array radar systems
III. Design Highlights and User Value
Modularity and Expandability
The instrument supports optional functional modules such as time-domain analysis and vector error correction. Users can flexibly configure according to their needs, adapting to diverse scenarios from basic testing to high-end research. For example:
Adding a pulse test module can meet the pulse signal analysis needs of radar systems
Configuring a multi-port expansion module enables rapid testing of multiple-input and multiple-output (MIMO) antenna systems
Convenient Operation and Data Management
The intuitive graphical interface combined with PathWave automated test software simplifies the operation process and generates professional reports. Data storage and export functions support seamless integration into R&D management systems, improving collaboration efficiency.
Long-Term Investment Protection
Keysight's hardware design and calibration algorithms ensure that the instrument maintains high accuracy during long-term use, while the modular design supports future functional upgrades, extending the equipment's life cycle. For example, software upgrades can add support for the latest communication standards (such as 6G).
IV. Typical Configurations and Industry Cases
Basic configuration: 10 MHz to 13.5 GHz frequency range, 2-port measurement, suitable for conventional RF component testing.
Extended configuration: Adding a pulse test module or multi-port expansion can meet the complex testing needs of radar systems and high-speed communication equipment.
Industry case: A communication equipment manufacturer used the N5221A to optimize 5G base station filters. Using its high-precision measurement data, they successfully reduced insertion loss by 1.2 dB while improving out-of-band suppression performance by 15 dB.
V. Replacement Models and Technological Evolution
The N5221A has been discontinued; its functions are inherited by the N5221B and N52 series PNA-X network analyzers. The new generation of products has been upgraded in the following aspects:
Higher frequency coverage: The N5222B supports 10 MHz to 26.5 GHz, and the N5224B supports 10 MHz to 43.5 GHz.
Stronger non-linear measurement capabilities: Integrated built-in pulse generator and harmonic measurement module, supporting more complex RF signal analysis.
Intelligent test process: Automated testing and data analysis are achieved through PathWave software, improving testing efficiency by more than 30%.
The N5221A vector network analyzer, with its superior performance, flexible configuration, and wide applicability, has become a classic tool for engineers in the RF testing field. Whether in laboratory R&D or production line testing, its precise data support and efficient testing capabilities create significant value for users. -
Hardware Configuration and Expansion
Calibration and Measurement Enhancement
Function Expansion and Advanced Measurement
Software and Automation
Other Useful Options
Key Tips
- Options such as 4-port extension, high-power test (UNL), and pulse RF test kits need to be verified for compatibility with the N5221A hardware version and firmware.
- Some options (such as 014, 016) have limited functional descriptions. It is recommended to obtain detailed information through official technical support or second-hand equipment suppliers.
- Calibration kits (such as HP85052B) must be strictly matched with the test frequency range and connector type (such as 3.5mm) to avoid affecting measurement accuracy
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