W3020

Advance Data Sheet December 1999 W3020 GSM Multiband RF Transceiver Features n n Applications n 2.7 V operation, low power consumption Integrated receive, transmit, and synthesizer functions IF frequency and transmit offset frequency generated from the same LO Integrated dual LNAs and mixers Minimizes PCB design work between systems Surface-mount, 64-pin TQFPT package GSM1800/1900 GSM dual-band hand portables: — GSM900/1800 — GSM900/1900 GSM single-band hand portables: — GSM900 — GSM1800 — GSM1900 n n n n n ADC IF 270 MHz RX I Φ GSM900 SAW VCO 900: 1150 MHz—1230 MHz 1800: 1530 MHz—1610 MHz 1900: 1660 MHz—1730 MHz ÷2 ADC RX Q 900: 925 MHz—960 MHz 1800: 1805 MHz—1880 MHz 1900: 1930 MHz—1990 MHz RF MODE & AGC CONTROL LO2 PLL 540 MHz VCO W3000 FREQUENCY SYNTHESIZER 900: 880 MHz—915 MHz 1800: 1710 MHz—1785 MHz 1900: 1850 MHz—1910 MHz GSM1800/1900 TX IF 1800/1900: 180 MHz DAC TX I Σ PA GSM900 Note: shaded area is off-chip. 900: 270 MHz Φ ÷2 ÷3 SWITCHED DIVIDER DAC TX Q Figure 1. W3020 Circuit Block Diagram W3020 GSM Multiband RF Transceiver Advance Data Sheet December 1999 Table of Contents Contents Page Contents Page Features................................................................. 1 Applications ........................................................... 1 Description............................................................. 4 Detailed Block Diagram ...................................... 5 Pin Information......................................