A spectrum analyzer with a tracking generator is a crucial tool for anyone working with RF signals, allowing for detailed analysis and signal generation. This article reviews some of the best spectrum analyzers available with tracking generators, highlighting their main features and capabilities. Below is a summary table of selected top-rated models for easy comparison.
| Product | Brand | Frequency Range | Key Features |
|---|---|---|---|
| Siglent Technologies SSA3021X | Siglent | 9 kHz to 2.1 GHz | All-Digital IF Technology, -161 dBm/Hz Noise Level |
| Siglent SSA3021X Plus | Siglent | Up to 2.1 GHz | Tracking Generator, Preamplifier, -161 dBm/Hz DANL |
| Rigol DSA815-TG | Rigol | 9 kHz to 1.5 GHz | Pre-Amplifier, 1.5 GHz Tracking Generator |
| RF Explorer PRO | LATNEX | 15 MHz to 7.5 GHz | Touch Screen, GPS, Power Meter, Signal Tracking Generator |
| OWON XSA810-TG | OWON | 9 kHz to 1 GHz | High-Resolution Display, EMI Filter, USB & LAN Connectivity |
Siglent Technologies SSA3021X Spectrum Analyzer With Tracking Generator

The Siglent SSA3021X offers an all-digital intermediate frequency technology suitable for clear, precise RF analysis across 9 kHz to 2.1 GHz. Its standout feature is the extremely low -161 dBm/Hz displayed average noise level, allowing for accurate detection of weak signals. The unit includes a free tracking generator, enabling users to test and characterize filters, amplifiers, and other components effectively. This model is favored for its advanced digital architecture and wide frequency coverage.
Siglent SSA3021X Plus Spectrum Analyzer With Preamplifier

The SSA3021X Plus expands on the standard model by including not only a tracking generator but also a preamplifier to enhance sensitivity. Covering frequencies up to 2.1 GHz, the analyzer maintains a -161 dBm/Hz displayed average noise level for excellent signal clarity. Users benefit from the ability to analyze and generate signals with great precision, ideal for RF testing, design, and troubleshooting applications.
Rigol DSA815-TG Spectrum Analyzer With Pre-Amplifier and Tracking Generator

The Rigol DSA815-TG is a proven, best-selling model with a frequency range of 9 kHz to 1.5 GHz and equipped with both a tracking generator and a pre-amplifier. This combination allows it to perform well in demanding signal analysis scenarios. It’s designed for users needing reliable performance in RF signal generation and spectrum analysis, suitable for both educational labs and professional environments.
RF Explorer PRO Spectrum Analyzer With Signal Tracking Generator

The RF Explorer PRO stands out with its wide frequency coverage of 15 MHz to 7.5 GHz, providing an extensive range for modern wireless device testing. It integrates a signal tracking generator, a power meter, and a responsive touchscreen interface with data recording and export functions. Additional features like internal GPS and interference checking support advanced RF tasks such as frequency coordination and intermodulation analysis, making it a versatile tool for professionals.
OWON XSA810-TG High-Resolution Spectrum Analyzer With Tracking Generator

The OWON XSA810-TG features a high-resolution 9-inch LCD with 1280×800 pixels for clear visual analysis. It covers 9 kHz to 1 GHz with a -160 dBm displayed average noise level and boasts a 1 Hz minimum resolution bandwidth for distinguishing close signals. Equipped with an EMI filter and quasi-peak detector, it supports accurate EMI pre-testing and diagnosis. Connectivity options like USB, LAN, and HDMI facilitate flexible data handling.
Buying Guide: What To Look For In A Spectrum Analyzer With Tracking Generator
Choosing the right spectrum analyzer with a tracking generator involves evaluating several important factors based on your specific needs and applications.
Frequency Range
Select a spectrum analyzer with a frequency range that covers your target signals. For general RF applications, models covering up to 2.1 GHz are common, but software-defined radio and advanced testing may require analyzers that extend beyond 3 GHz or more.
Sensitivity and Noise Floor
A low displayed average noise level (DANL) such as -160 dBm/Hz or lower is essential for detecting weak signals. This enhances measurement accuracy, especially when analyzing low-power transmissions.
Tracking Generator Quality
The built-in tracking generator should provide stable and accurate signal output for testing filters, amplifiers, and system responses. Some units include preamplifiers to boost weak signal detection and generation capabilities.
Resolution Bandwidth and Signal Resolution
A narrow resolution bandwidth (down to 1 Hz) improves the ability to resolve closely spaced signals. This is critical in crowded RF environments or when diagnosing interference issues.
Display and User Interface
A clear, high-resolution display helps in detailed spectrum visualization. Touchscreen interfaces and data export features enhance user convenience and enable advanced analysis.
Additional Features
- EMI/EMC Testing: Some analyzers offer built-in EMI pre-compliance filters and detectors.
- Connectivity: USB, LAN, and HDMI outputs facilitate integration with other equipment and software.
- Portability: Handheld models enable on-site testing with mobility.
- Software Support: Compatibility with PC software for data recording, analysis, and reporting.
Balancing these perspectives ensures you select a spectrum analyzer with tracking generator that best fits your technical requirements and budget considerations.