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+5
7438
20 FT (MAX)i
220n
74LS14
330!1
Figure 5-2.
ST506 Control Signal Driver/Receiver Circuit
The MFM read and write data is transferred as differential
signals using RS-422 drivers/receivers.
Figure 5-3 shows the
driver/receiver circuit used
by
the ACB-5500.
CONTROLLER
100n
DISK
EC>~
MC3487
100n
---<<J]
75175
Figure 5-3.
MFM Data Driver/Receiver Circuit
500504-00
5-5
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