IBM Series 1 User Manual page 232

o
c:
c
Figure 2-27. Receiver conditioning
Interface
connections
- Conditioning
signal
Current sharing
with receiver
inactive (Vb at
low level)
,
-
I
Conditioned
receiver
r - -
1
Conditioned
receiver
.--
I
I
J
1
Conditioned
~
receiver
Signal
+
Condition -
'"
conditioning
r---
receivers active
driver
(a)
-------------------+-------------------V
(b)
Va> Vb
(desirable region)
Conditioned receiver
Processor I/O Channel 2-71