The Agilent/Keysight E8251A PSG-A Series Performance Signal Generator delivers precision signal generation from 250 kHz to 20 GHz, engineered for demanding applications in communications systems and microwave component testing. This instrument combines excellent signal quality with low phase noise and versatile modulation capabilities for research, development, and manufacturing environments.
Technical Specifications
Frequency Range & Resolution
• 250 kHz to 20 GHz (standard)
• Frequency resolution: 0.01 Hz
• Optional extension to 110 GHz using Keysight 83550 Series multipliers
Output Power
• Maximum output: +13 dBm / +20 dBm at 20 GHz
• Level accuracy: ±0.7 dB and ±0.9 dB
• Option 1EA provides +20 dBm at 20 GHz output
Phase Noise Performance
• SSB phase noise: < -110 dBc/Hz at 20 kHz offset (10 GHz carrier, standard)
• Standard phase noise: -85 dBc/Hz at 1 kHz offset; -110 dBc/Hz at 20 kHz offset at 10 GHz carrier
• Optional lower noise: < -98 dBc/Hz at 1 kHz offset at 10 GHz carrier (Option UNJ)
– Key Features
Modulation
• AM, FM, Phase, and Pulse modulation modes
• Dual internal modulation generators supporting sine, square, triangle, positive/negative ramp, Gaussian Noise, Uniform Noise, Swept Sine, and Dual Sine up to 1 MHz modulation rates
• Internal pulse generator with maximum PRF of 14 MHz
Signal Generation
• CW operation and digital sweep capability
• List and step sweep functions with point-by-point calibration at test port
• User-selectable flatness correction
• Optional 115 dB attenuator module (Option 1E1)
– Typical Applications
• Advanced communication system development and validation
• Microwave component characterization and manufacturing test
• Phase noise-sensitive measurements requiring low-noise source performance
– Compatibility & Integration
• GPIB, LAN, and RS-232 interfaces
• Approximately 50 lbs weight
