Here's the page we think you wanted.
See search results instead:
Choose a country or area to see content specific to your location
Enable browser cookies for improved site capabilities and performance.
Toggle Menu
-
PRODUCTS AND SERVICES
-
Oscilloscopes
-
Analyzers
- Spectrum Analyzers (Signal Analyzers)
- Network Analyzers
- Logic Analyzers
- Protocol Analyzers and Exercisers
- Bit Error Ratio Testers
- Noise Figure Analyzers and Noise Sources
- High-Speed Digitizers and Multichannel DAQ Solutions
- AC Power Analyzers
- DC Power Analyzers
- Materials Test Equipment
- Device Current Waveform Analyzers
- Parameter / Device Analyzers and Curve Tracers
-
Meters
-
Generators, Sources, and Power Supplies
-
Software
-
Wireless
-
Modular Instruments
-
Network Test and Security
-
Network Visibility
-
Services
-
Additional Products
- All Products, Software, Services
-
-
Solutions
-
Explore by Use Case
Explore by Industry
- All Solutions
- Insights
- Resources
- Buy
- Support
What are you looking for?
Suggested searches
No product matches found - System Exception
Matched content
- Home
- Products and Services
- Accessories
- Amplifiers and Preamplifiers
- N4985A System Amplifiers
N4985A System Amplifiers
Achieve excellent power and gain with these self-contained, high-performance broadband amplifiers
Sold by: Keysight Online Sales
Starting from
HIGHLIGHTS
- N4985A-P15 operates from 10 MHz to 50 GHz
- N4985A-P25 operates from 2 to 50 GHz
- N4985A-S30 operates from 100 kHz to 30 GHz
- N4985A-S50 operates from 100 kHz to 50 GHz
- N4985A-OA3 Optical Application Tuning for Option S30
- N4985A-OA5 Optical Application Tuning for Option S50
- High gain
- Compact size
The Keysight Technologies N4985A series system amplifiers are high performance broadband amplifiers with excellent power and gain from 100 kHz to 50 GHz. The amplifiers are self-contained and plug into standard AC power sources.
Applications:
- Bench-top lab work
- Production line testing
- Frequency/time domain applications
- Saturated RF amplifier testing
- Drive TWT amplifiers
- Antenna system amplification

Interested in a N4985A?
Featured Resources for N4985A System Amplifiers
Want help or have questions?
- © Keysight Technologies 2000–2023
- Privacy
- Sitemap
- Terms
- Trademark Acknowledgements
- Feedback