The 8561B RF Spectrum Analyzer is a portable, high performance analyzer with a frequency range of 50Hz to 6.5 GHz. It features synthesized tuning, built-in frequency counter, digital bandwidths, AM/FM demodulator, and many optional features. Synthesized tuning gives drift-free measurements with resolution bandwidths down to 10 Hz. Measurement sensitivity -130 dBm. Built-in frequency counter. AM and FM demodulators with speaker and volume control. HP-IB. 

Specifications

• Frequency Range: 50Hz to 6.5GHz 
• Sensitivity: -130 Bm
• Digital Bandwidths: 10, 30, 100Hz. 
• Dynamic Range: 128 dB 
• Signal to distortion, harmonic: 81 dB(<2.9GHz), 110 dB(>2.9GHz) 
• Signal to distortion, intermodulation: 90 dB(< 2.9GHz), 92 dB(> 2.9GHz) 
• Low spurious response and average noise level(displayed) 
• Fully programmable(HP-IB)

Options

• 001 - Second IF Output
• 003 - Precision Frequency Reference
• 908 - Rackmount Kit without Handles
• 909 - Rackmount Kit with Handles