RF Upconverter vs Downconverter-difference between up converter and down converter
This page on RF Upconverter vs Downconverter covers basics of RF Upconverter and Downconverter and also mention difference between Upconverter and Downconverter used in RF Transceiver module of VSAT.
The device which converts low radio frequency signal to high radio frequency signal is known as
The common RF component which is used for the conversion is RF mixer.
There can be one or two stages of mixing.
The upper part of figure-1 depicts C band RF up converter which converts 70+/-18 MHz signal to frequency in the C band (i.e. 5925 to 6425 MHz).
Often RF upconverter is used in combination with RF PA (Power Amplifier).
This combination is known as BUC (Block Up-Converter).
Design of RF upconverter➤➤
Figure-1 RF Upconverter Downconverter Process
The device which converts high radio frequency signal to low radio frequency signal is known as RF downconverter. Like RF upconverter, RF downconverter will also have either one or two stages of mixing.
The lower part of figure-1 depicts C band Rf down converter which converts C band frequency to 70+/-18 MHz signal.
Often RF downconverter is used in combination with RF LNA (Low Noise Amplifier).
This combination is known as LNB (Low Noise Block Converter).
Refer RF Transceiver➤➤ housing both RF upconverter and downconverter modules. One can also refer heterodyne vs homodyne and RF Mixer tutorial for further study.
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