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FCE411

ASYM

AMP

AMP

SYM

LNA

BASEBAND

STAGE

I CONVERTER

×

100 MHz

ASYM

SYM

Q CONVERTER

×

100 MHz

CONVERSION STAGE

RFA 6

IBBOUT

13

QBBOUT

12

VCC(BB)

9

BBGND

16

RFB 5

AGC 1

PEN

3

QUADRATURE

GENERATOR

STABILIZED LO

PLL AND

AMPLIFIER

OSCILLATOR

DIVIDE-BY-2

TDA8060ATS

10

QOUT

24

LOOUT

23

LOOUTC

19

TKA

20

TKB

VCC(RF)

8

RFGND

7

VCC(LO)

17

LOGND

18

VCC(DIV)

22

DIVGND

21

11

QBBIN

IOUT

15

IBBIN

14

LOW-PASS

FILTER

LOW-PASS

FILTER

VCC(MIX)

2

MIXGND

4

Fig.1 Block diagram.