9

µµµµµPC2723T

TYPICAL SYSTEM APPLICATION

DBS Tuner Block Diagram

Sound

Visual

FM DEMO.

PC2726T

PC2723T

DET

DC AMP

MIX.

IF Amp

RF Amp

ATT

RF Amp

1st IF Input

From O.D.U.

PLL

VCO

µ

µ

LPF

900 MHz Band Digital Cellular Block Diagram (5 V System)

RX

Low Noise Tr

1st

MIX.

2nd

MIX.

PLL

PLL

90˚

0˚

PC2723T

Driver

PA

VCO

SW

TX

I

Q

I

Q

DEMO.

F/F

µ

The application circuits and their parameters are for references only and are not intended for use in actual design-in's.