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INFO about latest BB5 ICs

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INFO about latest BB5 ICs

Post by Admin on Mon Jan 14, 2008 6:42 am

Work Of Different ICs :

1. PFO : The main work Of This IC is to amplify the signals so that they
can travel a long distance. The PFO can transmit signals upto 25 Km in an open area. It will always be with the antenna switch
Problems if PFO gets damaged :
(1) Network Problem
(2) Battery Discharge Problem
(3) Mobile will become dead

2. Antenna Switch : The main work of
this IC is to recognize the frequency of the Sim Card and activate it.
Frequency ( 900 MHz / 1800mhz)

Problems :
(1) Network Problem
(2) Only one frequency will work. 900 Mhz or 1800 Mhz
or1900 MHz


3. Network IC : This is the main IC of the Network Section. It
processes all the signals during a call. It controls the entire network
section. It will be always be with the crystal.



Problems :

(1) Network Problem

(3) Mobile Phone Dead


Different Names Of BB5 ICs


CPU - RAPGSM, RAPIDO, RAPIDOYAWE, RAP3G, RAPGSM,RAP,RAP3GS,CEBBO2P,OMAP

ENERGY MANAGEMENT(POWER IC) - TAHVO, BETTY

AUDIO/UI IC - RETU,VILMA, AVILMA

NETWORK IC - AHNE, AHNEUS, PIHI, HINKU

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