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COMPLETE GSM/GPRS/EDGE RADIO F
消耗积分:3 |
格式:rar |
大小:89 |
2010-03-04
维生素B2
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Based on the Si4210 Aero II GSM/GPRS transceiver, the Aero EDGE Radio provides a
complete turnkey reference design for a quad-band GSM/GPRS/EDGE radio. The Aero
EDGE Radio has the smallest footprint and fewest components of any EDGE radio on
the market today, enabling customers to achieve high data rates while maintaining
small form factors. The Si4210 receiver uses a digital low-IF architecture that supports
both GMSK and 8-PSK modulation. The 8-PSK transmitter is formed with a companion
chip that includes a direct upconversion mixer and a variable gain amplifier (VGA). The
transmit SAW provides additional margin to filter unwanted phase noise produced by
the companion chip. The power amplifier (PA) is programmable to support either
GMSK or 8-PSK mode and operates open loop with no external components required
for feedback.
complete turnkey reference design for a quad-band GSM/GPRS/EDGE radio. The Aero
EDGE Radio has the smallest footprint and fewest components of any EDGE radio on
the market today, enabling customers to achieve high data rates while maintaining
small form factors. The Si4210 receiver uses a digital low-IF architecture that supports
both GMSK and 8-PSK modulation. The 8-PSK transmitter is formed with a companion
chip that includes a direct upconversion mixer and a variable gain amplifier (VGA). The
transmit SAW provides additional margin to filter unwanted phase noise produced by
the companion chip. The power amplifier (PA) is programmable to support either
GMSK or 8-PSK mode and operates open loop with no external components required
for feedback.
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