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A bipolar transistor has an emitter current of 1 mA. The emitter injection efficiency is 0.99, base transit factor is 0.995 and depletion region recombination factor of 0.998. The base current flowing through the transistor is _____μA.
In a Bipolar junction transistor the base width is 0.54 μm and base diffusion constant is D_{B} = 25 cm^{2}/sec. The Base transit time time is ________ × 10^{10} sec
Find the value of bias resistor (in kΩ) if quiescent collector current and voltage value are 4.6 mA and 2.2 V. The transistor has DC gain 110, V_{BE} = 0.7 V and V_{CC} = 4.5 V.
Consider two pnp bipolar junction transistors. For the first transistor when emitter to collector voltage is 5 V, V_{EB} is 0.85 V and emitter current is 10 A. (The β for this transistor is 15). Second BJT conducts with a collector current of 1 mA and V_{EB} = 0.70. The ratio of emitterbase junction area of the first transistor to the second transistor is ______.
(Assume KT = 26 mV)
The leakage current of a transistor with usual notation are I_{CEO} = 410 μA, I_{CBO} = 5 μA, and I_{B} = 30μA. Calculate the I_{C} ________mA
For what value of current gain β , the given transistor will be in saturation
(Assume V_{in} = 5V, V_{BE(SAT)} = 0.8 V , V_{CE(SAT)} = 0.2V)
An npn bipolar transistor having uniform doping of N_{E} = 10^{18} cm^{3} N_{B} = 10^{16} cm^{3} and N_{C} = 6 × 10^{15} cm^{3} is operating in the inverseactive mode with V_{BE} = 2V and V_{BC} = 0.6 V. The geometry of transistor is shown
The minority carrier concentration at x = x_{B} is _____ × 10^{14} cm^{3}
(Assume n_{i } = 1.5 × 10^{10}/cm^{3}, V_{t }= 25 mV)
The common emitter forward current gain of the transistor shown is β = 100
The transistor is operating in
In a silicon PNP transistor the mobility of charge carries is μ_{4} = 1300 cm^{2}/Vs and μ_{p} = 450 cm^{2}/Vs and carrier life time τ_{p} = 0.10 μs. The most appropriate base width for effective transistor function is (Take T = 300° k)
24 docs263 tests

Test: Electronic Devices  5 Test  10 ques 
Test: Electronic Devices  6 Test  10 ques 
Test: The Bipolar Junction Transistor Test  20 ques 
24 docs263 tests

Test: Electronic Devices  5 Test  10 ques 
Test: Electronic Devices  6 Test  10 ques 
Test: The Bipolar Junction Transistor Test  20 ques 