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HD155111F Datasheet, PDF (2/44 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for PCN Cellular Systems | |||
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HD155111F
Others
⢠IF dividers
⢠Power saving circuit
⢠IFVCO
Features
⢠Highly integrated RF processing for hand-portables
⢠Wide operating frequency
RX:
 RF: 1805 to 1880 MHz
 1st IF: 130 to 300 MHz
 2nd IF: 26 to 60 MHz
TX:
 RF: 1710 to 1785 MHz
 IF: 120 to 180 MHz
⢠Offset PLL architecture reduces TX spurious
⢠Low current consumption (Vcc = 3 V)
RX mode: 42.5 mA Typ (including IFVCO current (2.5 mA Typ)) + LNA transistor current (5.6 mA
Typ)
TX mode: 38.0 mA Typ (including IFVCO current (2.5 mA Typ))
Idle mode: 1 µA Typ
⢠Operating supply voltage:
 Phase comparator and TX VCO driver circuits: 2.7 to 5.25 V
 Other blocks: 2.7 to 3.6 V
⢠Operating temperature range: â20 to +75°C
⢠48 pin SMD Low Profile Quad Flat Package (LQFP): FP-48
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