The Keysight N8974B is a high-performance noise figure analyzer designed for fast, accurate, and repeatable noise figure measurements across a frequency range of 10 MHz to 7 GHz. This instrument is suitable for various RF and microwave applications, including testing and optimizing amplifiers, transceivers, and other communication system components.
### Technical Specifications
* **Frequency Range:** 10 MHz to 7 GHz
* **Measurement Capabilities:**
* Noise Figure
* Noise Factor
* Y-Factor
* Gain
* Phot
* Pcold
* Teffective
* **Included Modes:**
* Spectrum Analyzer Mode
* IQ Analyzer (Basic) Mode
* **Analysis Bandwidth:** Up to 25 MHz (IQ Analyzer Mode)
* **Gain Uncertainty:** ±0.15 dB
* **Instrument Uncertainty:** ±0.02 dB (using a 4-6 dB ENR Noise Source)
* **Measurement Speed:** 18.3 ms/measurement
* **Input Connector:** N-type (f)
* **Compatibility:**
* SNS Series Noise Source compatibility (e.g., N4000A, N4001A, N4002A)
* U7227 Series USB Preamplifier compatibility (U7227C 100 MHz to 26.5 GHz External USB Preamplifier included)
* **Standard Options Included:** P07 (7 GHz internal Preamplifier), PFR (Precision Frequency Reference), FSA (Fine Step Attenuator), NFE (Noise Floor Extensions), B25 (25 MHz analysis bandwidth)
* **User Interface:** Multi-touch interface with stretch, pinch, and drag gestures
* **Calibration:**
* Streamlined Y-Factor measurements with combined calibrations for up to 12 DUT setups
* Internal calibration feature available, reducing the need for user calibration
* Built-in noise figure uncertainty calculator that can pre-populate data from SNS noise source and USB preamplifier
* **Data Storage:** Internal and External
* **Operating Temperature Range:** 0°C to 55°C
* **Storage Temperature Range:** -40°C to 70°C
* **Power Requirements:**
* 100 to 120 VAC, 50/60/400 Hz
* 220 to 240 VAC, 50/60 Hz
### Interfaces
* **RF Input:** N-type (f), 50 Ω nominal (N8976B has a 2.4 mm male connector)
* **USB:** Type-A female (0.5 A nominal, slave, 1 port, compatible with USB 2.0)
* **LAN:** 1000 Base-T (RJ45 Ethertwist)
* **GPIB:** IEEE-488 bus connector (Controller or device)
### Physical Characteristics
* **Dimensions:** Height, Width (Specific dimensions not detailed in search results)
* **Weight:** Net, Shipping (Specific weights not detailed in search results)
* **Display:** WXGA resolution (1280 x 768)
### Compatibility
* **Noise Sources:** Compatible with Keysight SNS Series noise sources (e.g., N4000A, N4001A, N4002A).
* **Preamplifiers:** Compatible with Keysight U7227 Series USB preamplifiers. The U7227C (100 MHz to 26.5 GHz) is included with the N8974B.
* **Signal Generators:** Can control an external simulated LO via LAN, USB, or GPIB by connecting to a Keysight signal generator.
### Why Choose Aumictech for Keysight N8974B?
At Aumictech, we specialize in supplying high-end RF and microwave test equipment. Whether you need accurate noise figure analysis for R&D, reliable performance testing for manufacturing, or comprehensive characterization for system integration, our team ensures the Keysight N8974B delivers maximum performance for your application.
