Agilent/Keysight 8720ES

The Agilent/Keysight 8720ES is a vector network analyzer for RF and microwave component characterization across 50 MHz to 20 GHz. It delivers 100 dB dynamic range, dual independent measurement channels, and four display channels with full two-port error correction.

Technical Specifications

• Operating range: 50 MHz to 20 GHz


• Frequency resolution: 1 Hz


• Integrated synthesized source with +5 dBm standard output power


• 55 dB step attenuator standard Measurement Architecture


• Two independent measurement channels; four display channels


• Dynamic range: Up to 100 dB


• S-parameter test set supports forward and reverse measurements


• Full two-port calibration, TRL/LRM, adapter removal, and electronic calibration (ECal) Measurement Formats & Functions


• Magnitude, phase, group delay, SWR, Smith chart, polar, and time domain


• Pass/fail testing with powerful marker functions


• Test-sequencing automation


• Power and frequency sweep capability with fast data transfer Pulsed RF Characterization


• Minimum pulse width: ~500 nanoseconds


• Minimum PRF: 20 Hz or greater (10 Hz IF bandwidth)


• External RF modulation and triggering required for single or random-timed pulses Measurement Accuracy


• Error-corrected temperature stability: ±1°C of calibration temperature


• Full two-port error correction Electrical & Environmental


• Line power: 115 V nominal (90–132 V) or 230 V nominal (198–264 V), 48–66 Hz


• Maximum power consumption: 350 VA


• External reference inputs: 1, 2, 5, 10 MHz (±200 Hz at 10 MHz); –10 to +20 dBm; 50 ohms

Interfaces & Physical

• Test ports: 3.5 mm precision NMD 3.5 male connectors, 50 ohm nominal impedance


• Data transfer: GPIB, parallel, RS-232


• External monitor: VGA-compatible output


• Dimensions: 222 mm W × 425 mm D × 457 mm H


• Weight: 25 kg net; 28 kg shipping

Typical Applications RF and microwave device R&D, manufacturing test, field service, and filter/amplifier/transmission line characterization requiring multi-channel measurement and rapid sweep execution.