Agilent / Keysight 8562A 9 kHz 22 GHz spectrum analyzer

The Agilent/Keysight 8562A is a portable spectrum analyzer delivering drift-free RF and microwave signal analysis from 9 kHz to 22 GHz. Synthesized tuning and MIL-T-28800C ruggedization enable reliable field deployment. The instrument combines wide frequency coverage with precision measurement across demanding test environments, supporting external mixing to 325 GHz and optional extension to 26.5 GHz.

Technical Specifications

• Frequency range: 9 kHz to 22 GHz (26.5 GHz with Option 026)


• External mixer capability: Up to 110 GHz (HP 11970 Series); up to 325 GHz (commercial mixers)


• Preselection: Standard from 2.75 GHz to 22 GHz


• Frequency span: 0 Hz to 2.5 kHz × N


• Frequency readout accuracy: ±(frequency readout × reference accuracy + 5% × span + 15% × RBW + 10 Hz)


• Frequency reference accuracy: <4 × 10⁻⁶/yr (standard); <0.13 × 10⁻⁶/yr (Option 003) Resolution & Selectivity


• Resolution bandwidth: 100 Hz to 1 MHz (1, 3, 10 sequence) and 2 MHz, with accuracy ±30% (100 Hz) to ±25% (1–2 MHz)


• Selectivity: 10 dB attenuation); +50 dBm peak pulse (<10 µs, 2.75 GHz)

Key Features

• Synthesized tuning delivers drift-free frequency accuracy


• Field-ready design meets MIL-T-28800C specifications


• Low noise floor supports detection of weak signals across the microwave spectrum


• Flexible RBW and VBW settings optimize measurement resolution and trace smoothing


• Attenuator switching accuracy <±0.6 dB/10 dB step below 2.9 GHz

Typical Applications

• RF and microwave system troubleshooting


• Signal characterization in test and integration environments


• Spectrum monitoring and interference analysis


• Component and subsystem validation

Compatibility & Integration Supports external mixers for extended frequency coverage and integrates with standard RF measurement workflows.