![](/html/Zetex/897392/page2.png)
BAL74
BAR74
IF=10mA
Circuit For Measuring Switching Time
0mA
Irr
VIN
IR=10mA
0.2µF
1kΩ
0.1µF
VOUT
Trr2
Trr1
+11V
Pulse is supplied by a generator with the following
characteristics:
Output impedance = 50Ω
Rise time <= 0.5ns
Pulse width = 100ns
Output is monitored on a sampling oscilloscope
with the following characteristics:
Input impedance = 50Ω
Rise time <= 0.6ns
100
80
60
40
20
0
0
0.2
0.4
0.6
0.8
1.0
VF - (Volts)
IF v VF