MX214 Просмотр технического описания (PDF) - MX-COM Inc

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MX214

Variable Split Band Inverter

MX-COM Inc  

Variable Split Band Inverter

3

MX214/224

1. Block Diagram

POWERSAVE

LOAD / LATCH

SERIAL CLOCK

ENABLE / MUTE

CLEAR / SCRAMBLE

Rx / Tx (SER / PAR)

A0

A1

A2

A3

A4

INPUT LATCHES

EN / MUTE

CLEAR / SCRAMBLE

Rx / Tx

ROM

(SERIAL DATA IN)

Rx IN

Tx IN

EN ⋅ PS ⋅ Rx

PS

BIAS

Rx

MUTE

BIAS

Tx ⋅ PS

Tx ⋅ PS

CK3

FILTER 3

PS

BIAS

FILTER 1

CKA

CKB

CTCSS

FC2

C5

Rx

FC1

Tx

C6

1MHz

OSC

XTAL / CLOCK

XTAL

1MHz

CLOCK

DIVIDER

CKA FC1 FC2 PS

CK3

CK4

CLOCK

DIVIDER

CKB CKB

CLOCK

SWITCHING

Rx / Tx

VDD

VBIAS

VSS

Rx

Tx

PS ⋅ EN ⋅ Tx

Rx

Rx

Tx

FILTER 4 SCRAMBLE

CK4

Σ

FILTER 2

CKA

Tx

CK4

Rx

CLEAR

BIAS

Tx OUT

PS + EN ⋅ Tx

BIAS

PS ⋅ MUTE ⋅ Rx

Rx OUT

BIAS

BIAS

PS + EN ⋅ Rx

Figure 1: Block Diagram

1998 MX-COM, Inc.

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

Doc. # 20480112.002

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

All trademarks and service marks are held by their respective companies.

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