ML2721 Ver la hoja de datos (PDF) - Micro Linear Corporation

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ML2721

Low IF Digital Cordless Transceiver

Micro Linear Corporation 

PRELIMINARY

SIMPLIFIED BLOCK DIAGRAMS

ML2721

ML2721

FEEN

2 PAON TPS

ANTENNA

RF PIN

DIODE

SWITCH

PINB

PIN

ML2751

RRFO

LC

FILTER

RF

SWITCH

DRIVERS

TPA

RRFI

IMAGE

REJECT

MIXER

IF CIRCUITS

DOUT

RSSI

REF

PLL

CONTROL

LOGIC

LD

CLK,

DATA,

3 EN

BASEBAND

IC

XCEN,

RXON,

3 PLLEN

TX RF

PA + DRIVER

TRFI

LC

FILTER

TRFO

TX RF

BUFFER

QUADRATURE

DIVIDE BY 2

1.83GHz VCO

TX DATA

FILTER

DIN

VCCA

VTUNE

QPO

LOOP

FILTER

BATTERY

AND

PROTECTION

CIRCUITS

900MHz DSSS Cordless Phone Application

ML2721

RRFI

ANTENNA

IMAGE

REJECT

MIXER

IF CIRCUITS

DOUT

RSSI

REF

PLL

CONTROL

LOGIC

LD

CLK,

DATA,

3 EN

BASEBAND

IC

XCEN,

RXON,

3 PLLEN

TRFO

TX RF

BUFFER

QUADRATURE

DIVIDE BY 2

1.83GHz VCO

TX DATA

FILTER

DIN

VCCA

VTUNE

QPO

LOOP

FILTER

BATTERY

AND

PROTECTION

CIRCUITS

General Purpose FSK Radio

January, 2000 PRELIMINARY DATASHEET

3

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