Network Analyzers

What Is a Network Analyzer

A network analyzer measures how an RF signal interacts with a device by injecting a known stimulus and analyzing the response. The results are expressed as scattering parameters, commonly known as S-parameters, which describe reflection and transmission characteristics as a function of frequency.

By measuring magnitude and phase information, network analyzers allow engineers to fully characterize devices such as filters, amplifiers, cables, connectors, antennas, and RF modules.

Network Analyzer Architecture and Operation

Network analyzers are built around highly stable signal sources and precision receivers to ensure accurate amplitude and phase measurements. Core system elements typically include:

• Synthesized RF source with precise frequency control
• Directional couplers or test sets for separating incident and reflected signals
• High-dynamic-range receivers for amplitude and phase detection
• Reference channels for calibration and error correction
• Digital signal processing for frequency domain analysis

This architecture enables repeatable, traceable measurements across wide frequency ranges.

Types of Network Analyzers We Offer

Vector Network Analyzers

Vector network analyzers measure both magnitude and phase of S-parameters, providing complete characterization of RF and microwave devices. They are used for advanced applications such as impedance matching, group delay analysis, and complex filter evaluation.

These instruments are essential in RF design labs and high-frequency research environments.

Scalar Network Analyzers

Scalar network analyzers measure signal amplitude without phase information. They are commonly used for basic transmission and reflection measurements where phase accuracy is not required.

Scalar analyzers are often used for troubleshooting, production testing, and legacy RF applications.

Microwave and Millimeter-Wave Network Analyzers

High-frequency network analyzers support measurements into the microwave and millimeter-wave bands. These systems are used in radar development, satellite communications, and high-speed wireless systems.

They often require specialized calibration kits and high-performance test accessories.

Modular and Rack-Mounted Network Analyzers

Modular and rack-mounted network analyzers are designed for automated test systems and production environments. These platforms integrate easily with test software and support high-throughput measurement workflows.

Key Technical Parameters Engineers Evaluate

When selecting a network analyzer, engineers evaluate several critical performance characteristics:

• Frequency range and resolution
• Dynamic range and measurement sensitivity
• Number of measurement ports
• Calibration accuracy and stability
• Measurement speed and sweep time
• Support for time domain and frequency domain analysis
• Compatibility with test fixtures and calibration standards

Selecting the correct network analyzer ensures accurate device characterization and repeatable results.

Network Analyzer Brands We Sell

Aumictech supplies network analyzers from established manufacturers trusted in professional RF and microwave measurement environments.

• Keysight Technologies
Vector and scalar network analyzers for RF, microwave, and millimeter-wave applications

• Agilent Technologies
Laboratory-grade and legacy network analyzers widely used in RF development

• Anritsu
High-performance network analyzers for communications and microwave testing

• Rohde & Schwarz
Network analyzers optimized for RF, microwave, and production environments

• Tektronix
Network analysis solutions supporting RF system validation and troubleshooting

Used and Laboratory-Grade Network Analyzers

Many network analyzers remain valuable long after initial release due to their stability and measurement capability. Professionally sourced used and refurbished network analyzers provide a cost-effective solution for maintaining RF test capability while meeting demanding performance requirements.

These instruments are commonly used in universities, aerospace labs, semiconductor fabs, and electronics manufacturing facilities.

Why Network Analyzers Are Critical

As RF systems continue to operate at higher frequencies and tighter tolerances, accurate network analysis becomes essential. Network analyzers allow engineers to validate component performance, identify impedance mismatches, and ensure signal integrity across complex RF systems.

From early-stage design validation to production-level testing, network analyzers remain a foundational instrument for reliable RF and microwave system development.