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Rf Calibration; What's The Rx Calibration; What's The Tx Calibration - LG 410G Service Manual

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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 © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
X
G
X(Input Level)+G(Gain)=Y
GSM 5 Level
32.5 dBm
Tx Cal = In this case, to make
-81-
-81-
- 87 -
11. RF Calibration
Y
BB
Part
Mobile
Station
MS transmit 32.5dBm
LGE Internal Use Only

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