The RFS-4000 Series RF Signal Generators deliver high performance, low phase noise, and fast switching in a compact benchtop or ½ rack 2U form factor, making them ideal for academic research, teaching labs, start-up R&D, and wireless communications development. Available in 8 GHz and 20 GHz models, the RFS-4000 combines excellent signal quality with AI-driven firmware for intuitive operation, rapid setup, and reliable performance. With outstanding spectral purity, multiple control options, and seamless integration via LabVIEW, Python, C++, MATLAB, or SCPI across Windows, Linux, and macOS, the RFS-4000 sets a new benchmark for cost-effective, flexible RF signal generation.
Features
- SSB phase noise of –134 dBc/Hz at 1 GHz
- Fast Switching at 100 µs
- Pulse, Pattern, AM, FM, PM Modulation Options
- Intuitive graphic user interface
- Program with low-level SCPI commands on various platforms
Applications
- ATE Testing
- Aerospace & Defense Research
- Electronic Warfare & Radar
- Satellite Testing
- Wireless Design & Communication
Berkeley BNC RFS-4000 | RF Signal Generators
Please allow 3 - 6 weeks for this product to arrive.
This product comes with a 1 year (12 Month) warranty.
Number of Channels : 1
Frequency Range
- RFS-4080: 50 kHz to 8 GHz
- RFS-4200: 50 kHz to 20 GHz
Resolution : 0.001 Hz
Phase Offset : 0.01°
Switching Speed
- 400 µs (standard)
- 20 µs (FS option)
Modulation : Pulse, Pattern, AM, FM, PM
Harmonics
- RFS-4080: Up to 8 GHz: –50 dBc
- RFS-4200: 8–20 GHz: –40 dBc
Subharmonics : Up to 20 GHz: –70 dBc (typical)
Max Out Power
- +17 dBm ( standard )
- Up to +27 dBm (EPR option)
Accuracy (dB) : -70 dBm to +10 dBm
- Up to 100 MHz: ±0.3 (typical) dBm
- 100 MHz to 3 GHz: ±0.4 (typical) dBm
- 3 GHz to 9 GHz: ±0.7 (typical) dBm
- Above 9 GHz: ±1 (typical) dBm
Phase Noise
- 100 MHz: –153 dBc/Hz
- 250 MHz: –147 dBc/Hz
- 500 MHz: –141 dBc/Hz
- 1 GHz: –134 dBc/Hz
- 2 GHz: –128 dBc/Hz
- 4 GHz: –122 dBc/Hz
- 8 GHz: –116 dBc/Hz
- 10 GHz: –114 dBc/Hz
- 20 GHz: –108 dBc/Hz
RF Outputs
- Output Impedance: 50 Ω
- Connector Type: 2:92 mm
- VSWR: 1
- Reverse Power: 0.5 W, 16 VDC
Interface : USB, LAN
Dimensions : 5.7 x 3.7 x 11.8 in.
Weight : 22 lbs ( 27 lbs shipping )

