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2.3.5 UP CONVERTER
UP Converter is a excellent selectivity that the IF signal being filtered can
supply the RF signal after converting into a service signal.
2.3.6 AMP
AMP receives the converted signal from the UP converter and improves the
signal’s advantage adjustment and IP3 features together.
2.3.7 PLL
PLL Local Oscillator is Synchronous signal which convert the signal to RF into
IF, IF into RF and has a good phase noise that can convert the frequency without
changed the signal features being input.