Technical Data
41
5.3.2
Counter Inputs 100 kHz
2 Counter inputs
max. counting frequency 100 kHz
Pulse width
>3 µs (high and low signal)
Operating threshold
pos.
edge
neg.
edge
max. 8 V
min. 4 V
Hysteresis
typical: 2 V
rise, fall time
< 1 ms
max. input voltage
±
30 V
Connector
Socket "ext. Interf." (rear panel
CMC 156
)
Isolation
SELV to all other potential groups of the test set.
Electrically
connected
to
Gen.
Out
7-12
and
ground.
Table 20
Counter inputs 100 kHz
Counter input 1..2
ext. Interface
+ 12V
100k
22k
47p
CMC 156
Back panel
Figure 17
Input circuit of counter inputs 1, 2
Summary of Contents for CMC 156
Page 1: ...27 CMC 156 Reference Manual ...
Page 8: ...Test Set CMC 156 8 ...
Page 46: ...Test Set CMC 156 46 ...
Page 56: ...Test Set CMC 156 56 ...
Page 68: ...Test Set CMC 156 68 ...
Page 70: ...Test Set CMC 156 70 ...