The Agilent/Keysight 8594A is a portable RF spectrum analyzer operating from 9 kHz to 2.9 GHz, engineered for signal analysis, component testing, and EMI diagnostics. This discontinued instrument delivers mid-range performance in a compact, user-friendly form factor with wide dynamic range and accurate frequency measurements.
Technical Specifications
Frequency Range: 9 kHz to 2.9 GHz
Amplitude Range: −112 dBm to +30 dBm, with minimum displayed average noise level of −112 dBm and maximum of −107 dBm. Amplitude uncertainty is ±3% maximum.
Resolution Bandwidth: 1 kHz to 3 MHz standard, with narrower options available (30 Hz, 100 Hz, 200 Hz, 300 Hz).
Video Bandwidth: 30 Hz to 1 MHz
Sweep Time: 20 ms to 100 s. Zero span capable of sweeps as fast as 20 µs to 20 ms, with single-division sweep capability down to 2 microseconds (Option 101).
Frequency Accuracy: 7 ppm standard. Optional Precision Frequency Reference (Option 004) improves accuracy to 230 Hz at 1 GHz.
Input Attenuator: 0 to 60 dB in 10 dB steps
Input Impedance: 50 Ω typical; 75 Ω option available
RF Output: 75 Ω
– Key Features
• Memory-card reader for custom measurement personalities and data storage (32 Kbyte cards)
• CRT monochrome display
• Internal preselector
• Optional built-in tracking generator to 2.9 GHz
• Quasi-peak detector for EMC measurements (Option 103)
• AM/FM demodulator with speaker and TV sync trigger (Option 102)
• Time-gated spectrum analysis (Option 105)
• DSP, Fast ADC, and Digital Demodulator (Option 151)
• GSM/DCS DSP firmware board for Option 151 (Option 163)
• GPIB/RS-232 and parallel interfaces available (Option 041)
– Typical Applications
Signal monitoring, component characterization, electromagnetic interference diagnostics, and digital wireless signal analysis including GSM/DCS, PDC, PHS, NADC, and CDMA measurements.
– Compatibility & Integration
The 8594A accepts retrofittable options via internal cardcage and supports multiple measurement personalities through its memory-card reader. GPIB and RS-232 interfaces enable remote control and data transfer.
