Variable Split Band Inverter

3

MX214/224

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.

1.

Block Diagram

CLEAR / SCRAMBLE

EN / MUTE

Rx / Tx

LOAD / LATCH

SERIAL CLOCK

ENABLE / MUTE

CLEAR / SCRAMBLE

Rx /

(SER / PAR)

Tx

A0

A1

A2

A3

A4

(SERIAL DATA IN)

Rx IN

PS

BIAS

EN

Rx

⋅⋅

PS

Rx

MUTE

BIAS

Tx

⋅ PS

Tx

⋅ PS

BIAS

Tx IN

PS

C6

Rx

Tx

Rx

Tx

Tx

Rx

BIAS

CLEAR

Tx

SCRAMBLE

BIAS

BIAS

BIAS

PS MUTE Rx

⋅⋅

Rx OUT

PS + EN Rx

⋅

CTCSS

Rx

Rx

PS EN Tx

⋅⋅

PS + EN Tx

⋅

Tx OUT

CLOCK

SWITCHING

Rx / Tx

CLOCK

DIVIDER

1MHz

PS

CK4

CLOCK

DIVIDER

ROM

1MHz

OSC

XTAL / CLOCK

XTAL

INPUT LATCHES

POWERSAVE

FILTER 3

FILTER 2

FILTER 1

FILTER 4

Σ

Figure 1: Block Diagram