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View Full Version : in need of help!!!



eastcoast
27-11-2002, 01:03 PM
guys i have a favor for you all. i have a report and i need to know about a brief description of this parts from a 3310 unit.

i just need a brief explanation on how a part contribute to the cellphones fuctionality.






Panasonic GP6 Dual SAW filter Fc1 = 942.5MHz, bandwidth 35MHz, Fc2 = 1842.5MHz bandwith 75MHz.
Diplexer (RXTX switch)
On/off switch
Hitachi PF08109BN dual frequency PA
SAW filter Fc = 897.5MHz, +/- 17.5MHz
Hagar: NMP70731, dualband direct conversion (zero IF) tranceiver.
VCO 3420-3840MHz
CCONT: NMP70719 Multi functional power management IC, SIM controller, RTC, watchdog
Texas Instruments MAD2WD1: Microcontroller and DSP, based on ARM7TDMI.
NMP70433: TM23A; User interface controlling Keyboard and LCD
Samsung K6F1016U4 64kx16 SRAM
Intel FLASH F160B3TA, 1Mx16
Crystal, 32.768kHz
COBBA: Audio Codec (D/A and A/D convertor , to PCM 8kHz) and I/Q codec.
VCTXO 26MHz

thanks in advance