Rf Calibration; What's The Rx Calibration; What's The Tx Calibration - LG KE590 Service Manual

10. RF Calibration

10.1 What's the Rx Calibration?

10.1.1 Find proper AGC Gain to make the same Rx Power fed into the
Base Band Part regardless of Antenna Input Level
10.1.2 Can make report correct RSSI level

10.2 What's the Tx Calibration?

10.2.1 To make Tx Power Level transmitted properly following the
information of Base Station
Base
Station
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
X Y
G
X(Input Level)+G(Gain)=Y
GSM 5 Level
33 dBm
Tx Cal = In this case, to make
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10. RF Calibration
BB
Part
Mobile
Station
MS transmit 33dBm
LGE Internal Use Only