Revising Superheterodyne Transceiver Radio Architecture, Design Considerations, Image issue resolution
Superheterodyne is the most popular architecture used in communication transceivers. It is based on the heterodyne process of mixing an...
Category: RF Basics
5G Full Duplex Radios- Self Interference Cancellation
“It is generally not possible for radios to receive and transmit on the same frequency band because of the interference...
What is LTE Repeater, how it works? perfect guide for buying one !
A LTE repeater (also known as cell phone signal booster or amplifier) is a type of bi-directional amplifier used to improve UE reception and address coverage...
What is RBW of instrument, why it is important for signal analysis ?
RBW stands for Resolution Bandwidth; it is used to view distinctly two very closely spaced signals in frequency domain. Two input...
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...
What is Skin Depth, Why it matters in Radio Frequencies ?
Skin depth is a measure of how far electrical conduction takes place in a conductor, and is a function of...
What is PAPR (Peak to average power ratio), Why it matters to Power Amplifier ?
The PAPR is the relation between the maximum power of a sample in a given OFDM transmit symbol divided by...
What is Duplexer, How it is used, Advantages and Disadvantages ?
A duplexer is a three port filtering device which allows transmitters and receivers operating at different frequencies to share the...
5G NR and 4G LTE Comparison
A Short comparison of 5G and 4G technologies is given is table below Technology Data Rates Latency Mobility Support Spectrum...
How are the RF signals transmitted and received ?
There are three basic requirement for communication (through RF Signals) to happen between two devices: Two or more devices that...