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RF Transceiver basics

This page of VSAT tutorial covers rf transceiver basics in addition to following.

• RF Terminology
• Satellite Terminology
• VSAT system overview
• FDMA versus TDMA versus CDMA
• VSAT SCPC
• VSAT MCPC
• RF Transceiver basics
• C band RF Transceiver Design and Development
• Microstrip basics and types
• Design of RF frequency converter
• RF Power Amplifier
• what is modulation
• satellite Modem design
• RF Link Budget

Definition

Transceiver is the term used for device which houses both transmitter and receiver in single module. Such device which transmits and receives Radio Frequency (RF) signal is called as RF Transceiver. Mostly RF Transceiver position is between Baseband MODEM and PA/LNA in any wireless communication system. PA stands for Power amplifier and LNA stands for Low noise amplifier. Baseband Modem houses chipsets of various analog/digital modulation techniques and ADC/DAC chips.

rf transceiver

Applications

RF Transceiver is in use when the wireless communication has been started. Its main application is to make information in the form of voice/data/video suitable to be transmitted over the wireless medium. RF Transceiver is used to convert IF frequency to RF frequency and vice versa. It is used in satellite communication, for radio transmission and reception,for television signal transmission and reception, and in wimax/wlan/zigbee/lte networks.

Design

RF Transceiver is made up to RF Mixers, amplifiers, pads and other RF components using microstrip technology. Transmitter part is called as RF Up converter and receiver part as RF Down converter. Refer our page on Design of RF frequency Converter to understand rf transceiver basics.

RF Transceiver Technical specifications

There are so many parameters related to RF Transceiver, we will discuss few of these.
Transmitter part- input and output frequency range, conversion gain, gain flatness, gain adjustment, spurious and harmonics output,1dB compression point, frequency stability.
Receiver part- input and output frequency range, conversion gain, gain flatness,gain adjustment, noise figure, spurious output,Image rejection, frequency stability,adjacent and non adjacent channel rejection.
READ MORE on rf Terms mentioned here.

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RF and Wireless Terminologies


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