What are E-UTRA Test Models (E-TM) in LTE ?

The E-UTRA test models (E-TM) are set of signals defined by 3GPP for the radio frequecy standard testing of LTE device (it may be eNodeB or UE) transmitter chain. The […]

Vector Network Analyzer

Vector network analyzer (VNA) is one of the most essential RF and microwave measurement  instrument. VNA is commonly used to measure the scattering parameters, or S parameters of radio frequency (RF) and microwave […]

Spectrum Analyzer

A spectrum analyzer is a laboratory instrument used for analyzing the frequency spectrum of radio frequency, RF and audio signals. It displays signal amplitude (strength) as it varies by signal frequency. Spectrum analyzers […]