PDF W3020 Data sheet ( Hoja de datos )

Número de pieza	W3020
Descripción	GSM Multiband RF Transceiver
Fabricantes	Agere Systems
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No Preview Available ! Advance Data Sheet December 1999 W3020 GSM Multiband RF Transceiver Features Applications n 2.7 V operation, low power consumption n Integrated receive, transmit, and synthesizer functions n IF frequency and transmit offset frequency generated from the same LO n Integrated dual LNAs and mixers n Minimizes PCB design work between systems n Surface-mount, 64-pin TQFPT package GSM1800/1900 n GSM dual-band hand portables: — GSM900/1800 — GSM900/1900 n GSM single-band hand portables: — GSM900 — GSM1800 — GSM1900 GSM900 900: 925 MHz—960 MHz 1800: 1805 MHz—1880 MHz 1900: 1930 MHz—1990 MHz 900: 880 MHz—915 MHz 1800: 1710 MHz—1785 MHz 1900: 1850 MHz—1910 MHz GSM1800/1900 IF 270 MHz Φ SAW VCO 900: 1150 MHz—1230 MHz 1800: 1530 MHz—1610 MHz 1900: 1660 MHz—1730 MHz W3000 FREQUENCY SYNTHESIZER ÷2 RF MODE & AGC CONTROL TX IF 1800/1900: 180 MHz ADC RX I ADC RX Q 540 MHz VCO LO2 PLL DAC TX I Σ Φ ÷2 ÷3 PA GSM900 Note: shaded area is off-chip. 900: 270 MHz SWITCHED DIVIDER DAC TX Q Figure 1. W3020 Circuit Block Diagram 1 page Advance Data Sheet December 1999 Description (continued) Detailed Block Diagram W3020 GSM Multiband RF Transceiver EEL2 1 DLNAI 2 EEL3 3 GLNAI 4 TIFIP 5 TIFIN 6 GNDS4 7 GNDP2 8 VDD P2 9 VDD C2 10 CP2 11 GNDC2 12 VDD L2 13 L2P 14 L2N 15 GNDL2 16 LNA 1800 B VCC BIAS GND EEL[1:3] LNA B 900 s EEL[1:3] TX MIXER VCCM RF MIXERS VCCB VCC GND s GND VCC LO2 PLL VCC LO2 BUFFER 540 MHz GND MUX GSM 1800 GSM 900 s VCC GND EEGND s VCCB VCCB GND MODULATOR ∑ VCC GND TIP TIN TQP TQN DIV BY 2 OR 3 G1 4 dB G5 21 dB G2 G3 8 dB 16 dB VCC GND G6 4 dB DIV BY 2 VCC GND G4 32 dB B G[0:6] VDD CONTROL LOGIC/ SERIAL BUS GND LO2 LOCK TEST s 48 GNDS3 47 RIP 46 RIN 45 RQP 44 RQN 43 VDD B 42 GNDB 41 TQN 40 TQP 39 TIN 38 TIP 37 VDD I 36 GNDI 35 IFIP 34 IFIN 33 TEST Figure 2. IC Block Diagram with Pinout Lucent Technologies Inc. 5 5 Page Advance Data Sheet December 1999 W3020 GSM Multiband RF Transceiver RF Mixer The W3020 contains two mixers: one for GSM900 band operation and one for GSM1800/1900 band operation. The RF mixers are double-balanced mixers that can be used in various modes of operation. The ac-grounded input (pin 56) requires grounding at both the RF and the IF frequencies. If grounding is not placed close to the device, the RF performance will be compromised. At the output, the mixer is connected to a balanced IF SAW filter. Table 4. RF Performance: GSM900 VDD = 2.7 V; TA = 25 °C ± 3 °C. FIN = 942 MHz Parameter RF Input Band Output IF Frequency LO Frequency Range Noise Figure (SSB) Mixer Power Gain* I/P 1 dB Compression LO1 level = –6 dBm, FLO = 1212 MHz, FIF= 270 MHz. Min Typ Max Unit 925 — 960 MHz — 270 — MHz 1195 — 1230 MHz — 9 12 dB 7 dB –10 –5 — dBm Table 5. RF Performance: GSM1800/1900 VDD = 2.7 V; TA = 25 °C ± 3 °C. FIN = 1842 MHz Parameter RF Input Band: GSM1800 GSM1900 Output IF Frequency LO Frequency Range: GSM1800 GSM1900 Noise Figure (SSB) Mixer Power Gain I/P 1 dB Compression *LO1 level = –6 dBm, FLO = 1572 MHz, FIF = 270 MHz Min 1805 1930 — 1535 1660 — 4 –12 Typ Max Unit — 1880 MHz — 1990 MHz 270 — MHz — 1610 MHz — 1720 MHz 9.5 12 dB 6 — dB –7 — dBm Lucent Technologies Inc. 11 11 Page

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