HD155101BF Datasheet, PDF(7/50 Page) Hitachi Semiconductor – RF Single-chip Linear IC for GSM and EGSM Systems

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HD155101BF Datasheet, PDF (7/50 Pages) Hitachi Semiconductor – RF Single-chip Linear IC for GSM and EGSM Systems

◁

925 to 960 MHz

LNA

filter

bias

circuit

SAW

filter

1150 to

1185 MHz

225 MHz

SAW

filter

45 MHz

filter

AGC

I&Q

Demo.

RF VCO

270 MHz

IFVCO Ã·2

HD155101BF

45 MHz

90 deg

Shift

Ã·2

TCXO

13 MHz

Dual

synth.

PLL1

PLL2

Ã·6

HD155017T

LPF

HPA Module

buffer

540 MHz

880 to

915 MHz

Loop

filter

270 MHz

Phase

Detector

90 deg

Shift

Ã·2

270 MHz

I&Q

Mod

B.B.

Block

▷