القوانين اللي استخدمناها المسالة اللي فاتت
IB = (VCC - VBE) / RB + (β + 1)RE
IC = β IB
VCE = VCC - IC RC - IE RE
VC = VCC - IC RC
VE = VC - VCE = IE RE
VB = VE + VBE
VBC = VB - VC
IB = (VCC - VBE) / RB + (β + 1)RE
IC = β IB
VCE = VCC - IC RC - IE RE
VC = VCC - IC RC
VE = VC - VCE = IE RE
VB = VE + VBE
VBC = VB - VC
the base resistor RB is connected to the
collector rather than to VCC
collector rather than to VCC
Anonymous Quiz
18%
DC Fixed-biasing
19%
Emitter-stabilized Bias Circuit
53%
DC Collector Feedback biasing
11%
Voltage-divider biasing
The collector voltage provides the bias for the base-emitter junction in Dc Collector Feedback
Anonymous Quiz
89%
T
11%
F
The ... feedback creates an “offsetting” effect that tends to
keep the Q-point stable
keep the Q-point stable
Anonymous Quiz
33%
positive
67%
negative
in Dc Collector Feedback
Anonymous Quiz
18%
If IC tries to increase, it drops more voltage across RC, therebycausing VC to decrease.
4%
When VC decreases, there is a decrease in voltage cross RB, whichdecreases IB.
8%
decrease in IB produces less IC which drops less voltag eacross RC and offsets the decrease in VC.
70%
All of the above
Which type of transistor consists of two n regions separated by a p region?
Anonymous Quiz
78%
NPN
10%
PNP
12%
Both
1%
None
قوانين المسالة اللي فاتت
IB = (VCC - VBE) / RB + (β+1) RC
IC = β(VCC - VBE) / RB + (β+1)RC
VCE = VCC - (IC + IB)RC
IB = (VCC - VBE) / RB + (β+1) RC
IC = β(VCC - VBE) / RB + (β+1)RC
VCE = VCC - (IC + IB)RC
VCC is used as the single bias source.
Anonymous Quiz
73%
Voltage-divider Bias
27%
Current-divider Bias
A dc bias voltage at the base of the transistor can be developed
by a resistive voltage divider consisting of R1 and R2
by a resistive voltage divider consisting of R1 and R2
Anonymous Quiz
95%
T
5%
F
in Voltage-divider Bias There are two current paths between point A and ground: one
through R2 and the other through the base-emitter junction of
the transistor and 𝑅�
through R2 and the other through the base-emitter junction of
the transistor and 𝑅�
Anonymous Quiz
89%
T
11%
F
In active region
Anonymous Quiz
10%
VBE < VCE > Vcc
12%
VBE >VCE > Vcc
74%
VBE < VCE < Vcc
4%
VBE > VCE < Vcc
in Voltage-divider Bias(Exact)
Anonymous Quiz
15%
RTH = R1 + R2
10%
RTH = R1 ^ R2
72%
RTH = R1 || R2
3%
RTH = R1 - R2