MX589 데이터 시트보기 (PDF) - MX-COM Inc

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MX589

High Speed GMSK Modem

MX-COM Inc  

High Speed GMSK Modem 4k to 64kbps

Section

2

Contents

MX589

Page

1 Block Diagram................................................................................................................................. 3

2 Signal List ....................................................................................................................................... 4

3 External Components..................................................................................................................... 5

4 General Description........................................................................................................................ 7

4.1 Clock Oscillator Divider .......................................................................................................................... 7

4.2 Receive .................................................................................................................................................. 7

4.2.1 Rx Signal Path Description..........................................................................................................................7

4.2.2 Rx Circuit Control Modes ............................................................................................................................8

4.2.3 Rx Clock Extraction .....................................................................................................................................9

4.2.4 Rx Data Extraction ......................................................................................................................................9

4.2.5 Rx S/N Detection.........................................................................................................................................9

4.2.6 Rx Signal Quality........................................................................................................................................10

4.3 Transmit ................................................................................................................................................ 11

4.3.1 TX Signal Path Description ........................................................................................................................11

4.4 Data Formats......................................................................................................................................... 13

4.5 Acquisition and Hold Modes.................................................................................................................. 13

5 Application ..................................................................................................................................... 14

5.1 Radio Channel Requirements ............................................................................................................... 14

5.1.1 Bit Rate, BT, and Bandwidth ......................................................................................................................14

5.1.2 FM Modulator, Demodulator and IF ...........................................................................................................14

5.1.3 Two-Point Modulation.................................................................................................................................15

5.2 AC Coupling of Tx and Rx Signals ........................................................................................................ 16

6 Performance Specifications ......................................................................................................... 17

6.1 Electrical Specifications......................................................................................................................... 17

6.1.1 Absolute Maximum Limits ..........................................................................................................................17

6.1.2 Operating Limits .........................................................................................................................................17

6.1.3 Operating Characteristics...........................................................................................................................18

6.1.4 Packages....................................................................................................................................................19

MXCOM, Inc. reserves the right to change specifications at any time without notice.

©1998 MX-COM, Inc.

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

Doc. # 20480103.010

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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