قوانين المسالة اللي فاتت
IBQ = (VCC - VBE) / RB => VCC fixedعلشان احنا ف
IC = β IB
VCE = VCC - IC RC
VB = VBE = 0.7
VC = VCE
VBC = VB - VC
IBQ = (VCC - VBE) / RB => VCC fixedعلشان احنا ف
IC = β IB
VCE = VCC - IC RC
VB = VBE = 0.7
VC = VCE
VBC = VB - VC
in Emitter-stabilized Bias Circuit
Anonymous Quiz
17%
IB = (VCC - VBE) / RB
83%
IB = (VCC - VBE) / RB + (β + 1)RE
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