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  1. Infineon PMB2800E: GSM baseband controller. Higold series. Based on 80C166 (16 bit microcontroller). BGA package
  2. AMD 29DL316CT: Flash 1Mx16
  3. Ribbon to keyboard PCB
  4. Coil for DC/DC
  5. NIY
  6. Power supply IC
  7. EliteMT LP62S1024: SRAM 128kx8
  8. Crystal (32kHz ?)
  9. Infineon PMB2709: Speech Coprocessor. Provides coding such as EFR, HR
  10. VCO
  11. Infineon PMB2255: IF synthesizer, I/Q modulator, RF synthesizer prescalers and a buffer stage to feed the PA.
  12. Tx VCO
  13. Rx VCO
  14. PCB pads to loadspeaker
  15. EPCOS SAW filter B4104
    1. Infineon PMB2411: Dual-Band LNA and mixer to IF
    2. Infineon PMB 2346: Dual-Band Double PLL Frequency Synthesizer
    3. Infineon PMB2905: Analog interface IC (GAIM). Interfaces analogue signals (I/Q, voiceband, PA-control, charging control signals) to the digital domain

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    Page last updated: 21/10/02  

     

       

         

     

     

     

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