Functional diagram – Rainbow Electronics MAX2104 User Manual

Page 8

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MAX2104

Direct-Conversion Tuner IC for
Digital DBS Applications

8

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Functional Diagram

CP

CPG1
CPG2

PLLIN+

PLLIN-

XTL+

XTL-

MOD+

MOD-

FB

XTLOUT

PSOUT+

PSOUT-

IOUT+

IOUT-

QOUT+

QOUT-

RFOUT

FDOUB

TANK+

TANK-

V

CC

VRLO

CFLT

GND

RFIN-

RFIN+

GC1

GC2

FLCLK

INSEL

IDC+
IDC-
QDC+
QDC-

MAX2104

BASEBAND

OFFSET

CORRECTION

CHARGE

PUMP

/8

x2

0

°/90°

/32,

33

VOLTAGE

REGULATOR

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