Data Sheet

1996 Sep 18 6
Philips Semiconductors Product specification
High-speed diodes PMLL4148; PMLL4446; PMLL4448
Fig.7 Reverse recovery voltage test circuit and waveforms.
handbook, full pagewidth
t
rr
(1)
I
F
t
output signal
t
r
t
t
p
10%
90%
V
R
input signal
V = V I x R
R F S
R = 50
S
Ω
I
F
D.U.T.
R = 50
i
Ω
SAMPLING
OSCILLOSCOPE
MGA881
(1) I
R
= 1 mA.
Fig.8 Forward recovery voltage test circuit and waveforms.
t
r
t
t
p
10%
90%
I
input 
signal
R = 50
S
Ω
I
R = 50
i
Ω
OSCILLOSCOPE
Ω1 k Ω450
D.U.T.
MGA882
V
fr
t
output 
signal
V