STW81102 Datasheet, PDF (6/43 Pages) STMicroelectronics – Multi-band RF frequency synthesizer with integrated VCOs

Block diagram and pin configuration
1
Block diagram and pin configuration
1.1
Block diagram
Figure 1. Block diagram
STW81102
VDD_OUTBUF
VSS_OUTBUF
VDD_DIV4
VSS_DIV4
VDD_DIV2
VSS_DIV2
VDD_BUFVCO
VSS_BUFVCO
EXTVCO_INP
EXTVCO_INN
EXT
VCO BUF
BUF
REF
Divider
BUF
VCO
Divider
VDD_VCOA
VSS_VCOA
VDD_VCOB
VSS_VCOB
VDD_ESD
VSS_ESD
VCO
BUFF
VCO
Calibrator
P
F
D
UP
DN
C
P
VSS_CP
VDD_CP
ICP
LOCK_DET
DBUS
DBUS_SEL
SCL / CLK
SDA / DATA
ADD0 / LOAD
ADD1
ADD2
VDD_DBUS
VSS_DBUS
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