TM
11-5835-243-34/EE641-AA-MMl-010/E154
MTT/TO
31S3-4-110-1
from the interface as shown in waveform 1 of figure
b. Input Buffer. Line receiver AR7 is operated
with a high threshold for maximum noise immunity.
flip-flop U8. Figure 2-4 illustrates the waveforms
Resistors R40 and R41 (fig. FO-2) form the voltage
and timing relationship of selected signals on the
source for setting the threshold voltage at ap-
digital read/write card.
proximately +1.5 vdc. NRZ format data is received
Figure 2-4. Selected Waveform Diagrams.
2-7
