Keysight (Agilent)
Keysight (Agilent) 8591C
1MHz-1.8GHz CATV Spectrum Analyser
9 kHz to 1.8 GHz Frequency Range
Built-in LCD display Display Type
1 kHz to 3 MHz in 1-3-10 steps Resolution Bandwidth
1 kHz to 3 MHz in 1-3-10 steps Video Bandwidth
70 dB Dynamic Range

| Attribute | Value |
|---|---|
| Frequency Range | 9 kHz to 1.8 GHz |
| Display Type | Built-in LCD display |
| Resolution Bandwidth | 1 kHz to 3 MHz in 1-3-10 steps |
| Video Bandwidth | 1 kHz to 3 MHz in 1-3-10 steps |
| Dynamic Range | 70 dB |
| Input Impedance | 50 Ohms |
| Amplitude Accuracy | ±1.5 dB |
| Spurious Response | -60 dBc |
| Power Requirements | 100/120/220/240 VAC, 50/60 Hz |
| Weight | Approximately 7.5 kg (16.5 lbs) |
Keysight Technologies 8591C Options:
- 8591C - Option 107 - TV receiver/video tester (includes 75-Ω coupler and cables)
- 8591C - Option 011 - 75-Ω tracking generator
- 8591C - Option 015 - Replace yellow soft carrying case with tan soft carrying case
- 8591C - Option 040 - Front panel cover (used without soft carrying case)
- 8591C - Option 041 - GPIB and parallel interfaces
- 8591C - Option 119 - Noise figure card
- 8591C - Option 130 - Narrow resolution bandwidths
- 8591C - Option 180 - TV picture display
- 8591C - Option 701 - Delete TV trigger, AM/FM demodulator, fast time-domain sweeps
- 8591C - Option 704 - Delete precision frequency reference
- 8591C - Option 908 - Rack mount without handles
- 8591C - Option 909 - Rack mount with handles
- 8591C - Option 915C - Component level information and service guide
- 8591C - Option W30 - Two additional years return-to-Agilent service
- 8591C - Option W32 - Two additional years return-to-Agilent calibration
- 8591C - Option R07 - Retrofit kit for Option 107
| Model | 8591C |
|---|
The Keysight (Agilent) 8591C Cable TV Analyzer supports spectrum analysis from 1 MHz to 1.8 GHz and channel mode from 5 MHz to 1 GHz, tailored for RF and video signal testing in CATV systems. With 20 ms sweep time, built-in 75-ohm preamplifier, and 1.5 dB frequency response accuracy, it provides rapid, non-intrusive diagnostics and automated one-button FCC proof-of-performance measurements. Standard NTSC format with upgradeable options for PAL and SECAM enhances versatility across global broadcast environments.
Its rugged, portable build is ideal for field work, with options for tracking generator, TV video testing, and data management integration.
Testwall can supply the used Keysight (Agilent) 8591C, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 8591C.





