The Agilent/Keysight 8591E is a spectrum analyzer delivering signal analysis from 1 kHz to 1.8 GHz with 1 Hz frequency resolution. It measures amplitudes from -115 dBm to +30 dBm with ±1.0 dB accuracy, making it suitable for laboratory characterization, field troubleshooting, and systems integration work.
Technical Specifications
Frequency & Resolution
• Frequency range: 1 kHz to 1.8 GHz
• Frequency resolution: 1 Hz
• Resolution bandwidth: 1 Hz to 3 MHz (1-3-10 sequence)
• Video bandwidth: 0.1 Hz to 3 MHz (1-3-10 sequence)
• Selectivity: 1.2:1 (3× RBW at −60 dB)
Amplitude Measurement
• Range: −115 dBm to +30 dBm
• Accuracy: ±1.0 dB
• Reference level: −30 dBm to +30 dBm
• Scale units: dBm, dBmV, dBµV, V, dBV, W, dBW
• Log scale: 1–20 dB/div (1 dB steps); linear scale available
• Vertical display: 10 divisions
Performance
• Displayed average noise level (DANL): −115 dBm at 1 GHz (typical)
• Third-order intercept (TOI): +12 dBm at 1 GHz (typical)
• Second harmonic distortion: −70 dBc at 0 dBm input, 1 GHz (typical)
• Dynamic range: >70 dB at 1 GHz (10 kHz RBW, 10 kHz VBW)
Input & Sweep
• Input impedance: 50 ohms, Type N female connector
• Sweep time: 10 ms to 1000 s (automatic or manual)
• Sweep trigger: Free run, Single, Line, External
– Key Features
• Five independent markers with delta capability, peak tracking, and amplitude/frequency readouts
• Multiple trace memory for signal comparison and archiving
• Trace averaging for noise reduction
• AM and FM demodulation input
• Power consumption: <50 VA (100–240 VAC, 50/60 Hz)
• Compact footprint: 177 mm H × 426 mm W × 368 mm D; 13.6 kg
• Operating temperature: 0°C to 55°C
– Compatibility & Integration
Optional interfaces and upgrades include GPIB (IEEE 488), rackmount kit, high-stability timebase, tracking generator, USB remote control, mass memory, and amplified probe input. The 50 ohm input accepts standard RF accessories including probes and attenuators.
