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| File name: | SAMSUNG SGH-2488 GMS.pdf [preview SAMSUNG SGH-2488 GMS.pdf] |
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| Model: | SAMSUNG SGH-2488 GMS.pdf 🔎 |
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| Descr: | SAMSUNG SGH-2488 GMS.pdf |
| Group: | Electronics > GSM > |
| Uploaded: | 19-05-2006 |
| User: | caijunquan |
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| SAMSUNG SGH-2488 GMS.pdf | DUAL BAND Mobile Cellular Phone SGH-2488 SERVICE 1 4 GHI 7PQRS 2ABC 5 JKL 8TUV 0 3 DEF 6MNO 9WXYZ RxEGSM (925~960MHz) GSMTX2 DCSTX2 GSM F301 SAW LNA RxEN_FEGSM U300 F302 SAW F300 BPF 246MHz DEMODEN VMID IRXP F305 O° BPF VGA PLL RXLO2 259MHz 90° QRXP U301 TXEN1 RXLO3 13MHz U401 Q300 F303 SAW LNA RxEN_FEDCS U305 F304 SAW RXLO1GSM 1171.2~1205.8MHZ BANDSEL PLLEN DUAL PLL VCO Ref Osc REF 13MHz DCS RxDCS(1805~1880MHz) RXLO1DCS 2051.2~2125.8MHz Dip. DCSTX1 GSMTX1 EGSM:493~518MHz DCS:498~519MHz X2 TXEN1 QTX QTXI ITX ITXI DUAL VCO EGSM:1171.2~1216MHz DCS:2019.2~2125.8MHz TXEN1 GSMTX2 DCSTX2 GSMPAM U402 Dip. BPF Mod. TxEGSM(880~915MHz) U405 DUAL COUPLER TxDCS(1710~1785MHz) DET. X500 PA VCO LPF VCO PA U500 PDF 1/3 DCS:310.8MHz GSM:295.8MHz 1/5 BPF DCSPAM U408 OP amp X501 TXPOWER SYSTEM CLOCK GSM/DCS Memory VOCODER SIM Card Serial Data Interface +3V SIM Card +5V SIM Card I/O Interface B.B Interface A/D Interface Battery Voltage 32M FLASH + 4M SRAM Battery Temperatu | |
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