- Enables high-accuracy noise figure and noise-power measurements
- Surpasses the accuracy of the Y-factor method and other cold-source implementations
- Optional scalar-calibrated method for faster measurements without an impedance tuner
This software application enables high-accuracy noise figure and noise-power measurements of amplifiers. It utilizes Keysight’s unique vector-source-correction technique, which uses a source-impedance tuner to remove the effects of imperfect system-source match. This approach yields accuracy that surpasses that provided by the Y-factor method and other cold-source implementations, especially for in-fixture, on-wafer, and automated-test environments. A scalar-calibrated method is also available that offers less accuracy but is faster and does not require an impedance tuner.
The analyzer’s standard receivers are used for noise figure measurements. An external preamplifier and filter(s) are required for devices with < 30 dB of excess noise (gain plus noise figure in dB). S96029B controls Keysight N469x Series1 ECal modules configured as impedance tuners for use with the USB VNA.
Calibration requires a standard mechanical cal kit or ECal module for the S-parameter portion. (An ECal used as a tuner cannot be shared for calibration.) Calibration of a standard receiver for noise figure measurements requires a power meter. All calibration accessories must be ordered separately.
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