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Top 10 Spectrum Analyzer Brand & Manufacturers

This section provides a list of the top 10 Spectrum Analyzer manufacturers, Website links, company profile, locations is provided for each company. Also provides a detailed product description of the Spectrum Analyzer, including product introduction, history, purpose, principle, characteristics, types, usage and purchase precautions, etc.

Manufacturers （Ranking in no particular order）

: Keysight Technologies(China)Co.,Ltd.

Address: 4th Floor, No. 3 Wangjing North Road, Chaoyang District, Beijing

Company website: http://www.keysight.com/

Company Overview

Keysight Technologies, Inc., formerly Agilent's Electronic Measurement Division, is a new company established by Agilent Technologies through the tax-free divestiture of its electronic measurement business. Headquartered in California, USA, it is a global leader in electronic measurement technology and market, committed to promoting continuous innovation in wireless communications, modularization and software solutions, and focusing on providing customers with excellent measurement experience. Keysight provides electronic measurement instruments, systems and related software, as well as software design tools and services, which are widely used in the design, research and development, manufacturing, installation, deployment and operation of electronic equipment. Keysight's development in China can be traced back to 1977. Over the years, the company has been based in China and has developed for a long time. The headquarters in China is located in Beijing, with several branches in Shanghai, Shenzhen, Guangzhou, Chengdu and other places. There are more than 800 employees. Keysight is committed to providing Chinese customers with advanced products, services and solutions, and has become a true strategic partner for the global development of Chinese companies with a deep understanding of local needs and an international perspective. At present, China has become Keysight's second largest market in the world and one of the fastest growing markets. The company attaches great importance to its development strategy in China, continuously increases its investment in China, and contributes to China's social and economic development.

: Rohde & Schwarz (China) Technology Co., Ltd.

Address: Building 1, No. 18 Ziyue Road, Chaoyang District, Beijing (Chaolai High-tech Industrial Park)

Company website: https://www.rohde-schwarz.com.cn/

Company Overview

For more than 80 years, Rohde & Schwarz has been one of the world's leading manufacturers of information and communication technology products for professional users. At the beginning of the company's establishment, the main business was focused on RF engineering and RF applications in the fields of test and measurement equipment, wireless communication and broadcasting. In the following decades, the company's business scope has continued to expand. The digital transformation of science, technology, business and society has led to a world of interconnected things, which also means that almost all future products will use IP-based communication technology. To achieve this goal, extremely reliable and high data security is required. Rohde & Schwarz has entered this business field and has become Germany's largest manufacturer of IT security products. Rohde & Schwarz divides its business into several different areas to provide corresponding professional products and solutions for different markets. As a market-leading supplier in the field of mobile and wireless communications, Rohde & Schwarz provides complete test and measurement equipment and systems for the development, production and type testing of components and consumer electronic devices, as well as the deployment and monitoring of mobile communication networks. At the same time, the company's test and measurement business also includes the automotive industry, aerospace and defense, industrial electronics, scientific research and education. In the field of broadcasting and media, Rohde & Schwarz mainly targets network operators, consumer electronics manufacturers, content providers and post-production studios. Products cover solutions for the entire audiovisual content transmission chain - from camera output signals, terrestrial broadcasting, to satellite and IP network transmission. In a data-driven world, network security has become a crucial factor. Rohde & Schwarz provides professional network security solutions to protect all walks of life and government departments from the threat of cyber attacks and espionage. In addition to data, society, the country and individuals also need to be protected. Therefore, measures to ensure national and external security are also indispensable. Technologically advanced secure communication and intelligence products create information advantages for the navy, army and air force. In addition, Rohde & Schwarz also provides professional products for public security departments and organizations and operators of critical infrastructure. Rohde & Schwarz officially started technical services and established a representative office in Beijing in 1985. It is one of the earliest foreign-funded enterprises to set up a representative office in China. With the rapid development of business, Rohde & Schwarz has successively established representative offices in Shanghai, Guangzhou, Chengdu, Xi'an and Shenzhen. In September 2013, a new Chinese headquarters company, Rohde & Schwarz (China) Technology Co., Ltd., was established. Currently, there are also Chinese training centers, R&D centers, calibration laboratories, open laboratories, etc. In 2002, a wholly-owned subsidiary, Beijing RoboSch Communication Technology Co., Ltd., was established in Beijing, providing a series of technical services such as system integration and development, maintenance and calibration, technical consulting and training, and obtained ISO9001:2008 international quality certification system certification. China is one of the important markets for Rohde & Schwarz. At present, the company occupies a leading position in the wireless communication testing, electromagnetic compatibility testing, air traffic control and radio monitoring and positioning markets. For more than 30 years, Rohde & Schwarz has provided the Chinese market with many high-tech, high-precision, high-quality wireless communication, test and measurement and radio and television products and solutions. The products are widely used and well received by the State Radio Administration Bureau and the State Radio Monitoring Center, as well as radio management agencies in various provinces and cities, China Civil Aviation, radio and television units, metrology and certification departments, product quality testing units, major research institutions and wireless communication manufacturers. While providing China with various advanced technology solutions that are in sync with the world, Rohde & Schwarz also continuously develops and launches various solutions that are suitable for the Chinese market in combination with the characteristics and needs of the Chinese market. It has established a research and development center, a digital TV transmitter production line, and an international-level calibration laboratory in China, and has accumulated strength for future technology development and market expansion through the establishment of university scholarships, joint training, and joint laboratories.

: Tektronix Technology (China) Co., Ltd.

Address: No. 1227, Chuanqiao Road, Pudong New District, Shanghai

Company website: https://www.tek.com.cn

Company Overview

Tektronix Inc. (hereinafter referred to as "Tektronix") is a global provider of advanced test, measurement and monitoring solutions. Founded in 1946, Tektronix is the inventor of the world's first triggered oscilloscope. Today, Tektronix has become one of the world's major electronic test and measurement suppliers, with markets all over the world. Tektronix products mainly include oscilloscopes, signal sources, power supplies, logic analyzers, spectrum analyzers and bit error rate analyzers, as well as various video test products. Tektronix's users mainly include universities and research institutions, electronic communication companies, network operators and radio and television organizations. In July 2016, Tektronix joined Fortive Corporation (NYSE: FTV) and became an important part of the group's test and measurement business segment. Tektronix Technology (China) Co., Ltd. is authorized by Tektronix headquarters and officially approved by the Shanghai Municipal Commission of Commerce on December 5, 2018 to become Tektronix's regional headquarters in the Asia-Pacific region, performing the functions of a regional headquarters.

: China Electronics Technology Co., Ltd.

Address: No. 98 Xiangjiang Road, Huangdao District, Qingdao City, Shandong Province

Company website: https://www.ceyear.com/

Company Overview

China Electronics Technology Co., Ltd. (hereinafter referred to as "China Electronics Technology") is a joint-stock enterprise under China Electronics Technology Group Corporation. Its headquarters is located in Qingdao, Shandong Province. It has a professional technical team engaged in the research, development and design of electronic measuring instruments, automatic test systems and components, and has strong R&D, production, testing and experimental verification capabilities. "China Electronics Technology" is committed to the exploration and research of cutting-edge electronic testing technologies, and has achieved a series of major technological breakthroughs in high-end major scientific instruments and general electronic measuring instruments, especially in the fields of microwave millimeter waves, optoelectronics, communications, basic measurements and related technologies. "China Electronics Technology" provides a series of electronic measuring instruments and components with independent intellectual property rights, covering high, medium and low-end products to the global market. At the same time, through software development and system integration, it provides users with "tailor-made" automatic testing solutions. The electronic measuring instruments, automatic test systems, components and other products developed and produced by "China Electronics Technology" are widely used in satellites, communications, navigation, radar, scientific research, education and other fields, and provide testing guarantees for major national projects such as manned spaceflight, lunar exploration, Beidou, optical fiber communications, mobile communications, and large aircraft manufacturing, and are highly praised and trusted by users. "Diankesi Instrument" has always adhered to the business philosophy of "serving customers and creating value", taking the research and development of electronic measuring instruments as its core and comprehensive services as its business model, cooperating with domestic and foreign counterparts for mutual benefit, and striving to build a world-class enterprise with global competitiveness in the field of testing and measurement, and continuously making new and greater contributions to safeguarding national security and promoting economic and social development.

: Anritsu Communication Technology (Shanghai) Co., Ltd.

Address: Room 2301-2303, 23F, Building 2, No. 391, Guiping Road, Xuhui District, Shanghai

Company website: https://www.anritsu.com/zh-cn/

Company Overview

Founded in 1895, Anritsu is a global supplier of innovative electronic measurement solutions with a history of more than 110 years, providing solutions for existing and next-generation wired and wireless communication systems and operators. The company is headquartered in Japan, with R&D centers and production bases in the United States, Japan, France, the United Kingdom, Denmark and other countries, and sales are spread all over the world. Anritsu's products cover the following areas: microwave/RF testing, wireless communication testing, industrial automation, digital transmission testing, IP testing, optical communication testing, information terminals, electronic components, etc. Among them, the business volume in the field of test and measurement accounts for about 70% of the company's total business each year. In the fields of consistency testing, signaling testing, and production testing of 3G/LTE terminals, Anritsu is at the advanced level in the industry. In addition, in optical communication testing and high-speed bit error testing, such as optical time domain reflectometers, optical spectrum analyzers, transmission testers, 100GE testing, 28G/56G bit error testing, etc., it is also at the advanced level in the industry; in the field of RF/microwave handheld test instruments, Anritsu is in the leading position in the industry.

: Viagra Communications Technology (Beijing) Co., Ltd.

Address: Room 1, 17, 1501, 12th Floor, Building 1, No. 38, North East Third Ring Road, Chaoyang District, Beijing

Company website: https://www.viavisolutions.com/zh-cn

Company Overview

VIAVI is a diversified, colorful and technology-savvy company that has strategically executed many key technology acquisitions over the years, including Cobham, Agilent, Arieso, Network Instruments, OCLI, RPC Photonics, 3Z Telecom and Triliteric to advance a very broad range of products. Together with more than 350 global channel partners, VIAVI sells an extremely broad portfolio of products to global leaders in networking, communications and electronics technology. VIAVI not only provides individual products, but also works with customers to solve key issues that affect users, such as quality of service. For more than 50 years, spectrum analyzers have been the analysis and measurement tool for almost all forms of radio and fiber optic communications. Spectrum analysis provides the visibility needed to unlock the potential of 5G wireless network infrastructure by quantifying the signal behavior of frequencies. With an unwavering commitment to emerging technologies and customer satisfaction, VIAVI has created a portfolio of RF and spectrum analyzers and accessories at various price points. Rugged, integrated spectrum analysis tools extend the best accuracy and feature set from the lab to the field. Through use cases, VIAVI is able to help customers discover opportunities to use data and analytics to improve their business. That’s why VIAVI is at the forefront of every area where it delivers solutions, including game-changing technologies like 5G, fiber optics, and 3D sensing. VIAVI enables service providers and IT organizations to manage the network lifecycle of complex 5G and fiber optic networks with intuitive instruments, systems, and technologies. Knowledge in light management and optical coatings helps protect the world’s banknotes from counterfeiters, enhances the colors you see, and supports advanced technologies like 3D sensing.

: Chengdu Jiujin Technology Co., Ltd.

Address: Building A1 and Building A4-1, AI Innovation Center, Area A, No. 71, Hele 1st Street, High-tech Zone, Chengdu, Sichuan Province

Company website: https://jiujintech.com/

Company Overview

Chengdu Jiujin Technology Co., Ltd. (referred to as "Chengdu Jiujin") is a national high-tech enterprise. It was established in 2012 with a paid-in registered capital of 64.7297 million yuan. Chengdu Jiujin focuses on instrumentation and has formed a complete system solution in the fields of large-bandwidth signal generation, large-bandwidth signal acquisition, storage and analysis, complex electromagnetic signal simulation and large-scale automatic testing. Its products and solutions are widely used in aerospace, wireless communications, big data, the Internet of Things, scientific research and teaching in universities, and large-scale production testing and quality inspection of electronic products. The company has a professional technical team that develops radio frequency microwave and millimeter wave electronic test and measurement instruments. It has the ability to research the entire industrial chain of the test, measurement and analysis industry from hardware design, core processing algorithm research and terminal products to solution development. Some of its technologies have reached the domestic and international advanced level. At present, Chengdu Jiujin has undertaken dozens of major national and provincial and ministerial scientific research projects. It is also a new first-line electronic test and measurement industry technology brand supplier that provides general test system solutions based on general instrumentation technology. Chengdu Jiujin has independent intellectual property rights and has hundreds of key core technologies in the fields of "wideband ultra-wideband multi-channel signal generation and simulation technology", "wideband large dynamic broadband signal reception and analysis technology", "wideband high isolation excitation source and multi-channel signal separation reception technology" and "high-speed digital acquisition and processing technology". Since its establishment, the company has adhered to the brand management strategy, successfully developed and delivered a number of domestic and international advanced products, and contributed to the rise of the domestic instrument industry in terms of import substitution and independent control.

: Shenzhen Dingyang Technology Co., Ltd.

Address: 3rd floor of Building 4 and 1st to 3rd floor of Building 5, Antongda Industrial Factory, Block 68, Xingdong Community, Xin'an Street, Bao'an District, Shenzhen, Guangdong

Company website: https://www.siglent.com

Company Overview

Shenzhen Dingyang Technology Co., Ltd. ("Dingyang Technology" for short, stock code: 688112) is a national key "little giant" enterprise. It is one of the few general electronic test and measurement instrument manufacturers in China that has the ability to develop, produce and sell the four major general electronic test and measurement instruments, namely digital oscilloscopes, signal generators, spectrum analyzers and vector network analyzers, under a global brand. It is also one of the few domestic companies that has these four major products and has entered the high-level field. The company is headquartered in Shenzhen, and has established subsidiaries in Cleveland, USA, Augsburg, Germany and Tokyo, Japan, a branch in Chengdu, and offices in Beijing, Shanghai, Xi'an, Wuhan and Nanjing. Its products are exported to more than 80 countries and regions around the world. Dingyang Technology is a world-renowned brand of test and measurement instruments. The company is a national high-tech enterprise and a Shenzhen high-tech enterprise. It has passed the ISO9001:2015 international quality management system certification and ISO14001:2015 environmental management system certification. It is a member unit of the China Electronics Society, a director unit of the China Electronic Instrument Industry Association and a vice-chairman unit of the Guangdong Instrument Society. It has been recognized as the "Guangdong High-end Communication Measurement Instrument Engineering Technology Research Center" and the "Guangdong Industrial Design Center", and has a "measurement laboratory" accredited by the China National Accreditation Service for Conformity Assessment (CNAS).

: Precision Electronics Technology Co., Ltd.

Address: No. 8, Keling Road, High-tech Zone, Suzhou City, Jiangsu Province

Company website: https://www.rigol.com

Company Overview

RIGOL Corporation (RIGOL) gathers outstanding talents with great innovative potential and foresight to establish the test and measurement foundation for creating a smart world. The company provides advanced test solutions to customers in more than 80 countries and regions around the world, helping customers reduce test and measurement costs, accelerate design and project completion, and quickly deploy new products and technologies. Since its establishment in 1998, RIGOL has always focused on cutting-edge technologies in the field of test and measurement. As of June 30, 2021, the company has 386 authorized patents (346 invention patents), among which the number of Chinese authorized patents in the field of oscilloscopes ranks among the top in the industry.

: Goodwill Electronics (Suzhou) Co., Ltd.

Address: No. 521, Zhujiang Road, Suzhou New District, Jiangsu Province

Company website: http://www.instek.com.cn/

Company Overview

Founded in 1975, GW Instek is a professional manufacturer of electronic test and measurement instruments. It has rapidly developed from power supplies to high-precision electronic test and measurement instruments. After years of hard work, GW Instek has become one of the world's leading professional instrument manufacturers. Today, GW Instek covers more than 400 products, ranging from oscilloscopes, spectrum analyzers, signal generators, power supplies, basic test and measurement instruments to battery test systems. You know the importance of innovation, R&D and breakthrough technologies to a company. At GW Instek, we transform them into flexible operations, management and efficient performance, and call them "Customer-focused" innovation. We listen carefully to every customer and deeply understand their needs and market trends. When you come up with an exciting new technology, GW Instek is fully prepared. Whether you are designing products that can change people's lives, training future engineers, or exploring new technologies, GW Instek's reliable and accurate performance will be your strong backing and relieve you of worries. Why is GW Instek worthy of your trust? The proof is in the numbers: "40" From environmental, safety and durability tests during the product design phase to aging and vibration tests before packaging, each GW Instek product undergoes up to 40 internal quality and performance tests. It is also worth mentioning that both production bases in Taipei and China have passed ISO quality and environmental management standards and European CE certification, which are your reliable guarantee. High quality does not mean high cost. At GW Instek, it represents value. We have always been proud of the high quality, reliability and affordable prices of GW Instek products. With 48 years of operation, we firmly believe that the value of a product lies not in the price, but in its lifetime value. Adhering to the mission of producing products with low total cost of ownership, we enhance the added value, reliability and performance of our products with lifetime service and support. This is why GW Instek products are always reliable. Because of focus, we will excel. We serve customers in different industries, and each customer has his or her own unique measurement needs. Relying on professional technical product background, GW Instek provides tailor-made measurement solutions, reliable products, perfect after-sales support, warranty policy, calibration services and low total cost of ownership.

Categories related to Spectrum Analyzer

Spectrum Analyzer Information

Information

Spectrum Analyzer Information

What is a Spectrum Analyzer

A spectrum analyzer is an electronic test instrument that analyzes the frequency content of electrical signals. It displays the signal's power or amplitude as a function of frequency, providing a visual representation of the signal's spectral characteristics. This allows engineers, technicians, and researchers to understand the composition of signals, identify frequencies present, and measure various signal - related parameters.

History of Spectrum Analyzer

The concept of spectrum analysis dates back to the early 20th century with the development of radio technology. In the 1930s, the first basic spectrum - analysis tools were developed, which were simple receivers that could tune to different frequencies. However, the real breakthrough came in the 1940s and 1950s with the advent of swept - frequency techniques. These early swept - frequency spectrum analyzers used a local oscillator that swept through a range of frequencies, mixing with the input signal to display the frequency components. In the 1960s and 1970s, the technology became more refined, with improvements in accuracy, frequency range, and the ability to analyze complex signals. With the development of digital signal processing (DSP) in the 1980s and 1990s, digital spectrum analyzers emerged, offering higher precision, faster analysis, and more advanced features such as real - time analysis and data storage.

Purpose of Spectrum Analyzer

Telecommunications: In the telecommunications industry, spectrum analyzers are used to analyze the signals of various communication systems, such as mobile networks (2G, 3G, 4G, 5G), Wi - Fi, and satellite communication. They help in ensuring that the transmitted signals are within the allocated frequency bands, detecting interference from other sources, and optimizing the performance of communication equipment.
Electronics Manufacturing: In the production of electronic devices, spectrum analyzers are used for quality control. They can test the performance of components like oscillators, amplifiers, and filters. For example, they can measure the harmonic distortion of an amplifier, ensuring that it meets the required specifications.
Research and Development: In scientific research, spectrum analyzers are used to study the behavior of signals in various fields. In physics, they can analyze the frequency spectrum of electromagnetic radiation. In biology, they can be used to analyze electrical signals from biological systems. In R & D of new technologies, they help in understanding the signal characteristics and developing better signal - processing algorithms.
Radio Astronomy: Astronomers use spectrum analyzers to study the radio signals emitted by celestial objects. By analyzing the frequency spectrum of these signals, they can learn about the composition, temperature, and motion of stars, galaxies, and other astronomical bodies.

Principle of Spectrum Analyzer

Swept - Tuned Principle: In a swept - tuned spectrum analyzer, a local oscillator sweeps through a range of frequencies. The input signal is mixed with the output of the local oscillator. The resulting intermediate - frequency (IF) signal is then filtered and detected. As the local oscillator sweeps, different frequency components of the input signal are down - converted to the IF range, and the power of each frequency component is measured and displayed on the screen.
Fast Fourier Transform (FFT) Principle (for digital spectrum analyzers): Digital spectrum analyzers sample the input signal over time. The sampled data is then processed using the Fast Fourier Transform algorithm. The FFT converts the time - domain signal into the frequency domain, calculating the amplitude and phase of each frequency component present in the signal. This information is then used to display the spectrum of the input signal.

Features of Spectrum Analyzer

Wide Frequency Range: Modern spectrum analyzers can cover a vast frequency range, from a few hertz to several gigahertz or even terahertz, depending on the model. This allows for the analysis of a wide variety of signals, from low - frequency audio signals to high - frequency microwave and millimeter - wave signals.
High Resolution: They can achieve high frequency resolution, meaning they can distinguish between closely spaced frequency components. The resolution bandwidth (RBW) can be adjusted to suit the application. A narrow RBW is used when analyzing signals with closely spaced frequency components, while a wider RBW is used for broader - spectrum signals.
Large Dynamic Range: Spectrum analyzers have a large dynamic range, which is the ratio between the maximum and minimum signal levels that can be accurately measured. This enables them to measure both strong and weak signals simultaneously, such as a strong carrier signal and its weak sidebands.[!--empirenews.page--]
Fast Measurement Speed: Digital spectrum analyzers, especially those using FFT, can perform rapid measurements. They can quickly analyze the frequency content of a signal, making them suitable for applications where real - time analysis is required, such as in communication systems with rapidly changing signals.
Advanced Triggering and Analysis Features: Many spectrum analyzers offer advanced triggering options, allowing the user to capture specific events or signals of interest. They also have built - in analysis functions, such as power measurement, harmonic analysis, and intermodulation distortion measurement.

Types of Spectrum Analyzer

Swept - Tuned Spectrum Analyzer: As described earlier, these analyzers use a swept - frequency local oscillator to analyze the signal. They are relatively simple in design and are suitable for general - purpose spectrum analysis, especially when a wide frequency range needs to be scanned. However, they may be slower compared to digital spectrum analyzers.
Digital Spectrum Analyzer: These analyzers use digital signal processing techniques, mainly the FFT algorithm. They offer high - speed analysis, high precision, and the ability to perform complex analysis functions. Digital spectrum analyzers are widely used in modern applications, especially in research, development, and high - speed communication systems.
Real - Time Spectrum Analyzer: A subset of digital spectrum analyzers, real - time spectrum analyzers are designed to provide continuous, non - overlapping spectral analysis. They can capture and analyze signals in real - time, making them ideal for applications where transient or rapidly changing signals need to be monitored, such as in interference hunting or the analysis of short - duration pulses.
Vector Signal Analyzer: Vector signal analyzers are used for analyzing complex, modulated signals. In addition to measuring the amplitude and frequency of the signal, they can also measure the phase information. This is crucial for analyzing signals in modern communication systems that use advanced modulation techniques like QAM (Quadrature Amplitude Modulation) and OFDM (Orthogonal Frequency - Division Multiplexing).

Precautions for using Spectrum Analyzer

Proper Calibration: Regular calibration is essential to ensure accurate measurements. Calibration should be done using known - frequency and known - power signals. Follow the manufacturer's calibration procedures and schedule. Incorrect calibration can lead to inaccurate frequency and power measurements.
Input Signal Limitations: Be aware of the input signal limitations of the spectrum analyzer. Exceeding the maximum input power can damage the instrument. Use appropriate attenuators or signal conditioners when measuring high - power signals. Also, ensure that the input signal frequency is within the specified range of the analyzer.
Resolution Bandwidth and Span Settings: Choose the appropriate resolution bandwidth (RBW) and frequency span settings for your application. Incorrect settings can lead to signal distortion, inaccurate measurement of signal power, and difficulty in resolving closely spaced frequency components.
Environmental Conditions: The performance of the spectrum analyzer can be affected by environmental factors such as temperature, humidity, and electromagnetic interference. Operate the analyzer in a controlled environment as much as possible. Avoid placing the analyzer near strong electromagnetic sources, such as large motors or high - power transmitters.

Things to consider when purchasing Spectrum Analyzer

Frequency Range: Determine the frequency range you need to analyze. If you are working with low - frequency audio signals, a spectrum analyzer with a lower frequency range may be sufficient. However, if you are dealing with microwave or millimeter - wave signals, you need an analyzer with a high - frequency capability. Consider any future expansion of your applications and choose an analyzer with a frequency range that can accommodate potential changes.
Resolution and Accuracy: Consider the resolution bandwidth and measurement accuracy requirements. For applications that require analyzing closely spaced frequency components, a spectrum analyzer with a high - resolution capability is necessary. Check the accuracy specifications for frequency, power, and other parameters that are important for your work.
Dynamic Range: Evaluate the dynamic range of the spectrum analyzer. If you need to measure both strong and weak signals simultaneously, a large dynamic range is crucial. For example, in analyzing a communication signal with a strong carrier and weak sidebands, a spectrum analyzer with a wide dynamic range can accurately measure both components.[!--empirenews.page--]
Analysis Features: Look for the analysis features that are relevant to your application. If you need to perform specific types of analysis, such as harmonic analysis, intermodulation distortion measurement, or vector signal analysis, make sure the spectrum analyzer has the appropriate built - in functions or software.
Cost and Budget: Spectrum analyzers can vary widely in price depending on their features, performance, and brand. Set a budget and look for an analyzer that offers the best combination of features and performance within your budget. Consider not only the initial purchase cost but also the cost of calibration, maintenance, and any additional accessories or software.

Terms of Spectrum Analyzer

Frequency Span: The range of frequencies that the spectrum analyzer is set to display. It represents the difference between the highest and lowest frequencies shown on the analyzer's screen.
Resolution Bandwidth (RBW): The width of the filter used in the spectrum analyzer to resolve adjacent frequency components. A smaller RBW allows for better resolution of closely spaced frequencies, but it may also increase the measurement time and reduce the sensitivity for weaker signals.
Amplitude: The magnitude of the signal, which can be measured in units such as volts, watts, or decibels. In a spectrum analyzer, the amplitude of each frequency component is displayed on the vertical axis.
Harmonics: Frequencies that are integer multiples of a fundamental frequency. In a spectrum analyzer, harmonics can be identified as peaks at frequencies that are multiples of the main signal frequency. Harmonics can be an indication of signal distortion in a system.