希望对大家有用...
FEATURES
Complete Tri-Band GSM Transmitter/Receiver includes
Zero-IF Direct Conversion Receiver
3 Differential Low Noise Amplifiers
Integrated Active RX Channel-Select Low Pass Filters
Programmable Gain Baseband Amplifiers
Translation Loop Direct VCO Modulator
On-chip Filtering of TX Products
Support for EDGE Polar Modulator or Linear
Upconverter
Multi-band Fractional-N Synthesizer
Power Amplifier Control Loop
3 Low Dropout Voltage Regulators
Providing Full Radio Power Management
2.9V to 5.5V Direct Battery Voltage Input
48-Lead 7 mm 7 mm Chipscale Package
1.65V – 2.9 Digital Interface
APPLICATIONS
Dual, Triple-Band and Quad GSM Radios
- GSM900 or GSM850 + GSM1800 and GSM1900
- Phase 2 and Phase 2+ compliant
- GPRS to Class 12 (Half Duplex)
- EDGE RX
- EDGE Support on TX when used with the AD6021
IP卡
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发表于 2006-3-15 22:03:00
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