3.2 Input and output connections
WF1945B
3-10
Sweep stop/restart input (SWEEP PAUSE IN)
Signal characteristics :
Low level ; sweep pause
High level ; sweep restart
Input voltage :
High level
≧
+3.9 V
Low level
≦
+1.6 V
Input voltage range :
−
0.5 to +5.5 V
Input impedance :
Pull up to +5 V at approx. 10 k
Ω
Ground :
Connected to chassis ground
Do not apply a signal exceeding the above input voltage range. The unit can be damaged.
Sweep X-drive output (SWEEP X-DRIVE OUT)
Signal characteristics :
0 to +5 V ; sweep increase
+5 to 0 V ; sweep decrease
Output voltage :
0 to +5 V (open)
Output impedance :
Approx. 1 k
Ω
Recommended load :
Above 10 k
Ω
Ground :
Connected to chassis ground
Avoid shorting the output or applying an external signal. The unit can be damaged.
! CAUTION
! CAUTION
SWEEP PAUSE IN
+5 V
10 k
Ω
100
Ω
D
+5 V
SWEEP X-DRIVE OUT
+5 V
900
Ω
D
D/A
Summary of Contents for WF1945B
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