Bell 202 Compatible Modem
1. Block Diagram
3
MX614 PRELIMINARY INFORMATION
XTAL/
CLOCK
XTAL
VDD
VBIAS
VSS
RXAMPOUT
RXIN
TXOUT
Xtal Osc and
Clock Dividers
VBIAS
Receive
Filter and
Equalizer
Transmit Filter
and Output Buffer
Energy
Detect
FSK
De-modulator
FSK
Modulator
Mode
Control
Logic
Rx/Tx Data
Re-timing
Figure 1: Block Diagram
RXEQ
DET
M1
M0
RXD
CLK
RDY
TXD
2000 MX-COM, INC.
www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054
Doc. # 20480162.004
4800 Bethania Station Road, Winston-Salem, NC 27105 USA
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