73M1903
Modem Analog Front End
DATA SHEET
List of Figures
Figure 1 -SCLK and FS with SckMode = 0................................................................................................8
Figure 2 -Control frame position vs. SPOS ..............................................................................................8
Figure 3 -Serial Port Timing Diagram......................................................................................................10
Figure 4 -Analog block diagram ..............................................................................................................12
Figure 5 -Clock Generation......................................................................................................................18
Figure 6 -Overall Receiver Frequency Response..................................................................................20
Figure 7 -Rx Path Passband Response ..................................................................................................20
Figure 8 -RXD Spectrum of 1kHz tone ....................................................................................................21
Figure 9 -RXD Spectrum of 0.5kHz, 1kHz, 2kHz, 3kHz and 3.5kHz tones of Equal Amplitudes........21
Figure 10 -Frequency Response of TX Path for DC to 4kHz in band Signal.......................................22
Figure 11 -Serial Port Data Timing ..........................................................................................................29
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© 2005 TERIDIAN Semiconductor Corporation
Rev 1.4
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
