PCB VNA Measurements Essentials, Part 1

摘要

The vector network analyzer (vna) is an instrument suitable for measuring the response of a device under test (DUT) versus frequency. VNA transmits a sweep of sine waves to DUT. It then receives and analyzes reflections to ascertain the reflected signal magnitude, phase shifts, S-parameter models, etc. VNA is a versatile laboratory apparatus capable of measuring numerous device properties including skin effect losses, inductance, capacitance, DUTrncharacteristic impedance, coupling coefficients and variations in dielectric constant.