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UAA2062

Analog cordless telephone IC

Philips Electronics 

Philips Semiconductors

Analog cordless telephone IC

Product specification

UAA2062

BLOCK DIAGRAM

handbook, full pagewidth

VCC

ECAP 1

TXPD 2

TX PHASE

DETECTOR

REFERENCE

DIVIDER

(2048 or 892)

RX PHASE

DETECTOR

48 Vref(PLL)

47 RXPD

data TX

TXLF 3

MODO 4

14-BIT TX

PROGRAMMABLE

DIVIDER

LO2

14-BIT RX

PROGRAMMABLE

DIVIDER

RX

VCO

46 PLLGND

45 LO1O

44 LO1I

MODI 5

43 RXLF

VCC

VBMOD

TXO 6

PAO 7

TXGND 8 PA

TX gain

TX mute

LO1

BPFI

LNA

42 RFI

41 VCC(LNA)

40 BPFI

VCC

LO3I 9

VREFTX 10

TX VCO

CCAP 11

CMPI 12

VREFTX

MICO 13

microphone

amplifier

MICI 14

VB

VB

VCC(AUTX) 15

VB 16

CD/BD LBD

CDBDO 17

CD

VCC

VB

RSSI

VB

CCAP

hard

limiter

ALC

compressor

UAA2062

LO1

LO2

RSSI

×

1st mixer

39 MX1O

38 RFGND

2nd mixer

×

37 MX2O

36 MX2I

35 RSSI

RSSI

Vref(PLL)

VREFTX VBMOD

REG 3 V

VB

REG 3 V

VB

VCO

Vref

VCC(AU)

LIM

×

LOOP

FILTER

34 LIMI

33 VCC(RF)

32 PLLO

amplifier

31 DETO

ECAP

RX mute RX gain

30 RXI

VCC

220 kΩ

crystal(1)

EN 18

DATA 19

CLK 20

DATO 21

CLKO 22

LO2O 23

LO2I 24

MICROCONTROLLER

SERIAL

INTERFACE

DIVIDER

CRYSTAL

OSCILLATOR

LO2

expander

data

amplifier

DATO

earpiece

amplifier

VB

29 DATI

28 VCC(AU)

27 EARO

26 EARI

25 AUGND

RF

VCC

1st IF filter(1)

2nd IF filter(1)

(1) Values are depending on country application (see definition in Chapter “Channel frequencies”).

FCA120

Fig.1 Block diagram.

2000 Aug 10

3

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