HP 8591A Spectrum Analyzer

9 kHz to 1.8 GHz Portable Spectrum Analyzer The 8591A is a low cost, but full-featured, frequency accurate RF spectrum analyzer designed to meet your general purpose measurement needs. The easy-to-use interface provides access to more than 200 built-in functions. It operates from 9 kHz to 1.8 GHz. Options 001 75 Ohm Input impedance 004 Precision Frequency Reference 010 Tracking Generator, 100 kHz – 1.8 GHz, 50 Ohm 011 Tracking Generator, 1 MHz – 1.8 GHz, 75 Ohm 021 IEEE-488 GPIB Interface 023 RS232 Interface 101 Fast Time Domain Sweeps 102 AM/AM Demodulator and TV Sync Trigger 103 Quasi-peak Detector and AM/FM Demodulator