VectorStar™ MS4640A Series Microwave Vector Network Analyzers : Noise Figure – Option 041
 
Noise Figure – Option 041
 
Chapter Overview
Background
Hot-Cold or Y-Factor Noise Figure Measurement Method
Cold Source Noise Figure Measurement Method
Measurement Considerations
Linearity
LNA DUT Compression Behavior
Low Level Compression
Noise Power
Composite Receiver Component Selection
Measurement Setup and Procedure
Noise Figure Measurement Procedure
Gain/S-Parameter Data
Measurement Example
Receiver Cal Offset
Uncertainties
Noise Figure Uncertainty Calculator
Installation
User Interface
Uncertainty Calculator Controls
Typical Uncertainty Calculator Use Procedure
Conclusions
References
Chapter Overview
Option 041 provides noise figure measurement capabilities in the MS4640A series VNA family. The intent of this chapter is to explore the physics of the measurement as implemented, offer operational guidance on how to use the option, and to provide hints and tips on how to optimally setup a noise figure measurement.