SYSTEM MODULE DB1 9601ARo Technical Documentation NHB–2 1 Copyright Nokia Mobile Phones
SYSTEM MODULE DB1 NHB–2 2 9601ARo Copyright Nokia Mobile Phones Technical Documentation Block Diagram RF–BLOCK RFI PDATA 0 RXI 313MHz DSP AGC UI XEAR 48.6ks/s RXI 87MHz CODEC 13MHz step AGC I/Q CLOCK GENER 1650–1710MHz VHF UHF PLL VCO 90 deg EARPHONE VCO 48.6ks/s RXQ RX RXQ f TX 1850–1910MHz RX 1930–1990MHz f/4 clipped sinewave DET0 DETECTION DECRYPTION DEINTER– LEAVING CHANNEL DECODER SPEECH DECODER D/A TX POWER CONTROL SIO1 TXC SIO 97.
SYSTEM MODULE DB1 9601ARo Technical Documentation NHB–2 3 Copyright Nokia Mobile Phones
