Let's say there is a snubber diode connected in the circuit as shown on the right. The diode has a forward voltage of 0.7V. The input voltage is the same in the previous circuit: v = 5V for t < 0 and = OV for t > 0. v₁ = 10) 11) Find v v (0¹) Is it safe to operate the new circuit if the transistor has a maximum V rating of 40V? Why? CE The diode turns off when the diode current goes to zero. Find iL,threshold when ip = 0A. How long will it L,threshold? take to reach i i₂ | 15V L1 10mH 01 R1 D1

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6)
Is it safe to operate the circuit if the transistor has a maximum Ver rating of 40V?
СЕ
Why?
The input voltage remains at OV for a very long time. Find:
7)
8)
Let's say there is a snubber diode connected in the circuit as shown
on the right. The diode has a forward voltage of 0.7V. The input
voltage is the same in the previous circuit: v, :
15V
L1
D1
= 5V for t < 0 and
10mi
v =
= OV for t> 0.
O Vo
Q1
9)
Find v
Is it safe to operate the new circuit if the transistor has a
maximum Ver rating of 40V? Why?
10)
СЕ
11)
The diode turns off when the diode current goes to
zero. Find i
when p
= 0A. How long will it
L,threshold
take to reach i
L,threshold
Transcribed Image Text:6) Is it safe to operate the circuit if the transistor has a maximum Ver rating of 40V? СЕ Why? The input voltage remains at OV for a very long time. Find: 7) 8) Let's say there is a snubber diode connected in the circuit as shown on the right. The diode has a forward voltage of 0.7V. The input voltage is the same in the previous circuit: v, : 15V L1 D1 = 5V for t < 0 and 10mi v = = OV for t> 0. O Vo Q1 9) Find v Is it safe to operate the new circuit if the transistor has a maximum Ver rating of 40V? Why? 10) СЕ 11) The diode turns off when the diode current goes to zero. Find i when p = 0A. How long will it L,threshold take to reach i L,threshold
Consider the transistor inverter driving a dc motor modelled as a
10mH inductor shown on the right. The transistor has the
15V
following parameters: B = 200, V,
BE,ON
= 0. 65V and
R1
L1
iL 10mi
V
CE,SAT
= 0. 3V. The input voltage v, = 5V for t < 0s. Assume the
Vo
transistor is in forward active mode. Find:
1090
Q1
1)
¿(0)
2)
".(0")
At t = Os,
decreased from 5V to 0V. Find:
3)
di (0*)
4)
dt
5)
v.(0")
Transcribed Image Text:Consider the transistor inverter driving a dc motor modelled as a 10mH inductor shown on the right. The transistor has the 15V following parameters: B = 200, V, BE,ON = 0. 65V and R1 L1 iL 10mi V CE,SAT = 0. 3V. The input voltage v, = 5V for t < 0s. Assume the Vo transistor is in forward active mode. Find: 1090 Q1 1) ¿(0) 2) ".(0") At t = Os, decreased from 5V to 0V. Find: 3) di (0*) 4) dt 5) v.(0")
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