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5. Block Diagrams
5-1
5-1. RF Solution Block Diagram
MATCHING
NETWORK
MATCHING
NETWORK
GND
VCC
VCC
VCC
VCC
VCC
VCC
GND
GND
VDD
SAW HB
SAW LB
SAW LB/HB
VREG
PFD
CP
QUAD
DIV
DIV
QUAD
VREG
LBIA
LBIB
SWBIA
SWBIB
HBIA
HBIB
EXTRES
LBO
HBO
REFIN
CLKFDBX
CLKOUT
FESW1
CTRL
QA
QB
IB
IA
DATA CLK EN
BALUN
BALUN
VCCSYN
VCCCP
TXVCC
VCCRFLO
REFVCC
VDDL
POWER EN
3WB
DIV
1/2
PGMDIV
FRONT
END
SWITCHES
GNDREF
FESW2
FESW3
SWON
FRACN
DIV
RFTUNE
VCCRF
VCCIF
VCCRFLO
VCCCP
VCCSYN
~
VDDL
00
UAA3587G
PA
50/900
PA
PCS1900
N.C.
N.C.
IA I/O
IB I/O
QA I/O
QB I/O
UAA3587E