Power Supply Measurements

(VNA) is a measuring instrument which is primarily used for S parameters measurements. They can be used to characterize active and passive devices. Active devices include amplifiers, opamps, mixers, and tuners. Passive devices includes capacitors, inductors, ferrites and resistors. In general, they can be used to characterize a device with excellent accuracy since the measurements are band limited and the fixtures can be de-embedded. Generally, they are costly equipment even though cheaper versions like Omicron Bode 100 are available. Most common VNAs are two port devices, even though higher number of ports are available too. They are commonly used in signal integrity and power integrity measurements. Signal integrity measurements are required to characterize transmission lines accurately which in the end affect the signal quality. Even though the final quality of signal is measured in time domain using time domain reflectometer (TDR), the channel characterizations are performed or a...