Benefits of De-Embedding and Match-Corrected Measurements

Application Notes

Introduction

Wireless communication technologies are continuously evolving to meet the demands of ever-advancing technology. In wireless communication, increasing signal bandwidth, higher-order modulation and spatial multiplexing enable faster data rates. The user experience must keep pace with these faster data rates. Quality-of-service expectations from users require wireless systems to deliver predictable system-level performance. As wireless designs move from simulation to testing, driving down uncertainty is crucial to successful product development.

Minimizing Uncertainty in Measurement Setups

A fundamental aspect of verifying wireless designs is measurement, which enables characterization of a device under test (DUT). The goal is to isolate and measure the DUT itself, but this is not always straightforward in practice. Measurement setups have test fixtures, ranging from simple cables to complex fixtures including splitters, couplers, and signal conditioning. Designers want to measure the performance of the DUT, excluding the impact of the test fixtures.

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Benefits of De-Embedding and Match-Corrected Measurements

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