What is RF Isolator, How to choose it ?
An RF Isolator is a two port device that is unidirectional, means it passes the RF signal in one direction...
Tagged: RF Basics
dB , dBm Terminology
I keep seeing people using the terms “dB” and “dBm”, interchangeably, when they actually mean very different things. So, here’s...
Passive Inter-modulation (PIM)
Passive Inter-modulation (PIM) is the generation of interfering signals caused by non-linearities that occurs in passive components such as antennas, cables,...
Error Vector Magnitude (EVM)
The error vector magnitude (EVM) is a measure of modulation quality of a digital radio transmitter or receiver. A signal sent by an ideal...
Mobile Phone Architecture
When we say a mobile, it is not just a piece of plastic/metallic body, as it looks from outside, there...
Noise Figure
Noise figure (NF) Noise figure (NF) and noise factor (F) are measures of degradation of the signal-to-noise ratio (SNR), caused by components in a radio-frequency (RF) signal chain. It...