FX663 View Datasheet(PDF) - CML Microsystems Plc

Part Name

Description

MFG CO.

FX663

Call Progress Decoder

CML Microsystems Plc 

1 2 3 4 5 6 7 8 9 10 Next

1.2 Block Diagram

VDD

C7

VSS

C6

VBIAS

(Components

shown for

unbalanced i/p)

C4 R1

C5 R2

SIGNAL

VBIAS

VDD

VSS

VBIAS

AMPOP

AMPINV

OPAMP

AMPNINV

LEVEL

DETECTOR

620Hz

DETECTOR

C3

C1

X1

C2

VSS

SIGIN

AMPLIFIER

SIGNAL

ANALYSER

CONTROL

AND

OUTPUT

LOGIC

XTAL/CLOCK

XTALN

CLOCK

OSCILLATOR

AND

DIVIDERS

CALLPROGRES

DETECTOR

ENABLE

CSN

IRQN

D0

D1

D2

D3

VDD

R3

Figure 1 Block Diagram

© 1999 Consumer Microcircuits Limited

3

D/663/3

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