Quad Band GSM / GPRS Transmit Module with UMTS Transmit / Receive Ports

Qorvo's RF3237 is a quad-band (GSM850/EGSM900/DCS1800/PCS1900) GSM/GPRS Class 12-compliant transmit module with four transmit/receive ports for UMTS use that also serve as GSM Rx ports. This transmit module builds upon Qorvo's leading PowerStar® integrated power control technology, SOI (silicon-on-i • High Efficiency at Rated POUT VBATT = 3.5V\n• GSM850/EGSM900 = 43%\n• DCS1800/PCS1900 = 36%\n• Integrated Power Flattening Circuit\n• Integrated VBATT Tracking Circuit\n• 8kV Robust ESD Protection at Antenna Port\n• No External Routing\n• No External DC Blocking Needed on TRx Ports\n• Low ;

Qorvo

威讯联合

QUAD-BAND GSM

文件：190.39 Kbytes 页数：2 Pages

RFMD

威讯联合

TRIANGULAR TYPE

LED LAMP (TRIANGULAR TYPE)

文件：429.61 Kbytes 页数：3 Pages

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TRIANGULAR TYPE

LED LAMP (TRIANGULAR TYPE)

文件：429.61 Kbytes 页数：3 Pages

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3 TO 5.5V, 250KBPS, RS-232 TRANSCEIVER WITH STAND-BY

DESCRIPTION The ST3237 is a 3V to 5.5V powered EIA/TIA-232 and V.28/V.24 communication interfaces high data-rate capabilities. ST3237 is a transceiver (5 drivers, 3 receivers) for fast modem applications. ■ 1µA LOW POWER SHUTDOWN WITH RECEIVERS ACTIVE ■ GUARENTEED DATA RATE 250Kbps (Normal Oper

文件：247.65 Kbytes 页数：15 Pages

STMICROELECTRONICS

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