Vi
0
tr
tp
PZT2222AT1
90%
10%
Vi
VCC
R2
R1
Vo
D.U.T.
Figure 1. Input Waveform and Test Circuit for Determining Delay Time and Rise Time
Vi = – 0.5 V to +9.9 V, VCC = +30 V, R1 = 619 Ω, R2 = 200 Ω.
PULSE GENERATOR:
PULSE DURATION
RISE TIME
DUTY FACTOR
tp ≤
tr ≤
δ=
200 ns
2 ns
0.02
OSCILLOSCOPE:
INPUT IMPEDANCE
INPUT CAPACITANCE
RISE TIME
Zi > 100 kΩ
Ci < 12 pF
tr < 5 ns
Vi
+16.2 V
VCC
R2
0
TIME
-Ă13.8 V
tf
100 µs
D.U.T.
R1
Vi
D1
VBB
R3
Vo
OSCILLOSCOPE
R4
Figure 2. Input Waveform and Test Circuit for Determining Storage Time and Fall Time
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