NXP Semiconductors
Product data sheet
High-speed diodes
1N4148; 1N4448
handbook, full pagewidth
tr
D.U.T.
10%
SAMPLING
OSCILLOSCOPE
R i = 50
Ω
VR
90%
tp
t
R = 50
Ω
S
V = VR I F x R S
IF
IF
t rr
t
(1)
MGA881
input signal
output signal
(1) I
R
= 1 mA.
Fig.7 Reverse recovery voltage test circuit and waveforms.
I
1 k
Ω
450
Ω
I
90%
V
R = 50
Ω
S
D.U.T.
OSCILLOSCOPE
R i = 50
Ω
10%
MGA882
V fr
t
tr
tp
t
input
signal
output
signal
Fig.8 Forward recovery voltage test circuit and waveforms.
2004 Aug 10
6