v.23 Compatible Modem
Section
2
CONTENTS
MX604 PRELIMINARY INFORMATION
Page
1. Block Diagram .......................................................................................................... 3
2. Signal List ................................................................................................................. 4
3. External Components .............................................................................................. 5
4. General Description ................................................................................................. 5
4.1 Xtal Osc and Clock Dividers ................................................................................................... 5
4.2 Mode Control Logic ................................................................................................................ 6
4.3 Rx Input Amplifier ................................................................................................................... 6
4.4 Receive Filter and Equalizer................................................................................................... 6
4.5 Energy Detector...................................................................................................................... 7
4.6 FSK Demodulator ................................................................................................................... 7
4.7 FSK Modulator and Transmit Filter......................................................................................... 7
4.8 Rx Data Retiming ................................................................................................................... 9
4.9 Tx Data Retiming.................................................................................................................. 10
5. Application .............................................................................................................. 11
5.1 Line Interface........................................................................................................................ 11
6. Performance Specification .................................................................................... 12
6.1 Electrical Performance ......................................................................................................... 12
6.2 Timing................................................................................................................................... 15
6.3 Packaging............................................................................................................................. 16
MXCOM, Inc. reserves the right to change specifications at any time and without notice
1998 MXCOM, INC.
Tele: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480152.004
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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