The HP/Agilent 8720C is a 40 GHz vector network analyzer delivering comprehensive S-parameter and impedance measurements across RF and microwave frequencies. This instrument combines wide frequency coverage with fast measurement update rates, making it suitable for component characterization, active device testing, and mixer analysis in R&D and manufacturing environments.
Technical Specifications
Frequency & Performance
• Frequency range: 50 MHz to 40 GHz
• Dynamic range: Up to 103 dB
• Output power: +10 dBm at test ports
• Test port power with attenuator: -65 dBm
• Source stability: 10 ppm (typical)
• Measurement update time: Approximately 1 ms per point
• IF bandwidth: Variable, 10 Hz capability
• Frequency resolution: 100 kHz (standard) or 1 Hz (Option 001)
Test Ports
• NMD-3.5mm male (ruggedized)
• 50 ohm nominal impedance
– Key Features
• Full two-port error correction and vector accuracy enhancement
• S-parameter analysis: forward and reverse transmission and reflection
• Insertion loss, impedance, and group delay measurements
• Time domain capability (Option 010) for response versus time or distance
• Mixer measurement options: standard (Option H89) and high-power (Option H87)
• Active device characterization via HP 85014C software
• Dielectric properties measurement with HP 85070A probe kit
• TRL calibration for non-coaxial devices
• Frequency subset feature for zoomed measurements without recalibration
• Power meter calibration for absolute power level accuracy
• Five internal non-volatile memory registers
• External disk drive storage compatibility (e.g., CS80)
• Large color display
– Typical Applications
• Component and subsystem characterization
• Active transistor and semiconductor testing
• Mixer and converter analysis
• Dielectric material property measurement
• Time domain impulse and step response analysis
– Compatibility & Integration
• HP-IB programmable interface for external computer control
• External TTL trigger support
• Compatible with HP 8510 series test port cables and calibration standards
• Measurement automation via HP 85162A software
