Data Sheet
4-Level FSK Modem Data Pump Page 29 of 47 MX919B PRELIMINARY INFORMATION
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Figure 17: Tx Signal Eye TXIMP = 0
Figure 18: Tx Signal Eye TXIMP = 1
Note: Setting TXIMP to '1' affects the Tx output signal level as shown in Section 6.1.3 and the table below.
TXIMP = 0 TXIMP = 1
Nominal Voltage difference between continuous ‘+3’ and
continuous ‘-3’ symbol outputs
0.157V
DD
0.157V
DD
Nominal V
P-P
for continuous ‘+3+3-3-3…’ symbol pattern. 0.20V
DD
0.22V
DD