MX805AP Ver la hoja de datos (PDF) - MX-COM Inc

Número de pieza

componentes Descripción

Fabricante

MX805AP

Sub-Audio Signaling Processor

MX-COM Inc  

Sub-Audio Signaling Processor

4

MX805A

1 Block Diagram

RX SUB-AUDIO

IN

RX LPF

AMP OUT

180Hz/260Hz

+

AMP IN

_

RX AMP

V

DD

V

BIAS

XTAL/

CLOCK

XTAL

V

SS

CLOCK

GENERATOR

RX SUB-AUDIO

OUT

COMPARATOR

IN

OUT

+

_

COMPARATOR

AMP

DIGITAL

NOISE

FILTER

RAW NRZ DATA

NRZ RX

DATA AND

BAUD RATE

EXTRACTOR

NRZ

RX DATA

NRZ RX

BAUD RATE

RX

TX

DATA BUFFER

AND

SHIFT REGISTER

NRZ

TX DATA

CTCSS SUB-

AUDIO FREQUENCY

SUB-AUDIO BANDSTOP

AUDIO IN

AUDIO SIGNAL PATH

FREQUENCY

ASSESMENT

FREQUENCY

MEASUREMENT

TX LEVEL

ADJUST

AUDIO BYPASS

NOTONE

TIMER

NOTONE

C-BUS

INTERFACE

AND

CONTROL

LOGIC

COMMAND DATA

REPLY DATA

CHIP SELECT

INTERRUPT

SERIAL CLOCK

WAKE

ADDRESS SELECT

VARIABLE

BANDWIDTH

TX SUB-AUDIO

OUT

TX SUB-AUDIO LPF

AUDIO OUT

Figure 1: Block Diagram

1998 MX-COM, Inc.

www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054

Doc. # 20480116.004

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

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