V.23 Compatible Modem
FX604
CONTENTS
Section
Page
1.0 Features......................................................................................................1
1.1 Brief Description ........................................................................................1
1.2 Block Diagram............................................................................................3
1.3 Signal List ..................................................................................................3
1.4 External Components ................................................................................5
1.5 General Description ...................................................................................5
1.5.1 Xtal Osc and Clock Dividers .........................................................5
1.5.2 Mode Control Logic.......................................................................6
1.5.3 Rx Input Amplifier .........................................................................6
1.5.4 Receive Filter and Equaliser .........................................................6
1.5.5 Energy Detector ...........................................................................7
1.5.6 FSK Demodulator .........................................................................7
1.5.7 FSK Modulator and Transmit Filter ...............................................7
1.5.8 Rx Data Retiming .........................................................................9
1.5.9 Tx Data Retiming........................................................................10
1.6 Application Notes ....................................................................................12
1.6.1 Line Interface..............................................................................12
1.7 Performance Specification ......................................................................13
1.7.1 Electrical Performance................................................................13
1.7.2 Packaging ..................................................................................16
©
1996 Consumer Microcircuits Limited
2
D/604/3
CMLMICRO [ CML MICROCIRCUITS ]
