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HD155121F Datasheet, PDF (2/57 Pages) Hitachi Semiconductor – RF Transceiver IC for GSM and PCN Dual band cellular systems | |||
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HD155121F
Features
⢠Highly integrated RF processing for hand-portables
⢠Operating supply voltage
 VCC : 2.7 to 3.6 V
 Phase comparator and TXVCO driver circuit : 2.7 to 5.25 V
⢠Current consumption
 Rx mode (GSM) : 53 mA + LNA current
 Rx mode (PCN) : 52 mA + LNA current
 Tx mode (GSM) : 36 mA
 Tx mode (PCN) : 37 mA
 Idle mode :1 µA
⢠Operating temperature : â20 to +75 degree
⢠LQFP 48pin SMD (Low Profile Quad Flat Package)
⢠Wide operating frequencies
 Rx
RF
GSM : 925 - 960 MHz
PCN : 1805 - 1880 MHz
1st IF
: 225 MHz
2nd IF
: 45 MHz
 Tx
RF
GSM : 880 - 915 MHz
PCN : 1710 - 1785 MHz
IF
GSM : 270 MHz
PCN : 135 MHz
⢠Offset PLL architecture for Transmitter
⢠High dynamic range Programmable Gain Amplifier (PGA)
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