FLY EZZY, Service Manual

Page: 6 / 37

Chapter 3: Explanation of Schematic
MTK6223A
AD6548
MTK6223A
Picture 3.1 MT6223A principle picture
3.1 Principle of RF circuit
3.1.1 Principle of receiver circuit
3.1.1.1Rx signal flow chart:
Picture 3.1.1 Receive signal flow frame
3.1.1.2 Main function of RF
RF part generally means the analog RF and IF process system ,including Antenna system
、
TX path
、
RX path
、
Analog modem and Frequency Synthesizer
.