Block Diagram of Baseband Blocks (Version 22.30 IR not used I in GSM1900 System Module UR4U NSB–1/3 Edit 202) for layout version 22 R No ’ s 800–899 AUDIO CTRL U PW R U & SIM UI C No ’ s 300–399 No ’ s No ’ s Original 06/98 200–299 100–199 UI F – c o n n e c t o r UI F No ’ s : . . .
System Module UR4U Block Diagram of System/RF Blocks ... 1990 MHZ 1930 487 MHz UI –FUNCTIONS 13 MHz 87 MHz RX ADC 1880 MHZ 1805 ... AGC TXC f/4 400 MHz NSB–1/3 AGC/TXC DAC 8kHz RX AUDIO DAC Earpiece XEar f HEADEAR f PLUSSA f/2 CRFU_2a f 800 MHz EXT. RF VHF VCO DET 400 MHz f/2 8kHz TXI DAC TXQ DAC 16/17 ... 1510 MHZ 1443 OUT– PUT MATCH SynthCLK 3.25MHz PLL UHF VCO LOGIC ... 1393 MHZ 1310 AFC DAC 64/65 ... 1910 MHZ 1850 BIAS Int.
Circuit Diagram of Power Supply (Version 22.
Circuit Diagram of UI Connector (Version 22.
Circuit Diagram of CTRLU Block (Version 22.
Circuit Diagram of Audio Original 06/98 System Module UR4U NSB–1/3 (Version 22.
Circuit Diagram of RF–BB Interface (Version 22.30 NSB–1/3 R F B B Original 06/98 System Module UR4U Edit 113) for layout version 22 N o ’ s 1 0 0 – 3 9 9 N o ’ s 8 0 0 N o ’ s 4 0 0 – 7 9 9 . . .
Circuit Diagram of RF Block (Version Original 06/98 System Module UR4U NSB–1/3 22.
Layout Diagram of UR4U Original 06/98 System Module UR4U NSB–1/3 (Version 22) 3/A3–9
