The Agilent/Keysight 8673B is a fully programmable synthesized signal generator delivering microwave-band signal synthesis from 2.0 GHz to 26.5 GHz. Designed for radar, electronic warfare, and communication system testing, it combines frequency agility with exceptional spectral purity and modulation versatility in a platform built for automated test environments.
Technical Specifications
Frequency Performance
• Frequency range: 2.0 GHz to 26.5 GHz across 4 bands
• Frequency resolution: 1 kHz
• Fundamental oscillator: 2.0 to 6.6 GHz YIG-tuned
• Frequency stability: < 5 × 10⁻⁸ per day
Output Characteristics
• Maximum output: +8 dBm to 18 GHz; +3 dBm from 18 GHz to 26 GHz
• Minimum output: -100 dBm
• Output resolution: 0.1 dB (digital)
• Output leveling: Internal and external calibration supported
• Power flatness: Exceptional across full frequency range
• Phase noise: Optimized via phase-locked loops
• Harmonics: Typically 80 dB; rise/fall times < 50 ns; repetition 50 Hz to 1 MHz; minimum duty cycle < 0.0001
Sweep Functions
• Digital sweep: Manual, auto, or single sweep modes
• Sweep type: Start/stop or AF (span) sweep
• Maximum points: 9999 per sweep
• Dwell time: 1 to 255 ms configurable
• Markers: 5 independent, settable frequency markers
• Sweep outputs: 0 to +10 V ramp, 0.5 V/GHz ramp, Z-axis blanking/markers
– Key Features
• TTL-level external input for pulse modulation control
• Option 008: +10 dBm output level
• Tone marker and penlift sweep outputs for analog recording
– Typical Applications
• Radar system testing and validation
• Electronic warfare (EW) signal simulation
• Communication system characterization
• Automated production test environments

















