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General Information
HP-IB Line Receivers:
Each of the 16 HP-IB signal lines is received with a circuit having the following
cha racteristics:
Type:
Schmitt Trigger
Threshold, Positive Transition: 1.6 V
Threshold, Negative Transition: 0.9 V for data lines
1.0
V
for control lines
Input Current, Low State:
-1.3 mA minimum to -3.2 mA
maximum
@
0.5
V
Input Current, High State:
0.7 mA minimum to 2.5 mA
maximum, between 5 V and
5.5 V
Maximum Cable Length
Environmental Limits
Medium/Slow-Speed Operation:
High-Speed Operation:
Number of
Devices
1
2
3
4
5
6
7
8 (maximum)
2 metres (6.56 ft) per
device connected or 20
met res tota I.
Maximum Total Cable
Length
8m (26ft)
9m (30ft)
10m (33ft)
11m (36ft)
12m (39ft)
13m (43ft)
14m (46ft)
15m (49ft)
Operating Temperatures: 0 to 55 degrees Celsius (32F-131F).
Operating Humidity: 5% to 95% Relative Humidity at 40 degrees Celsius
(104F).
Operating Altitude: 4600 metres (15,000 feet) maximum.
(Before operating this unit in any extreme environment, consult your
HP
Customer Engineer or your nearest HP Sales and Service Office.)
1-3
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