Determine the collector bias current. Assumeß = 50 and IS = 10^(-17)A
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Q: 1) The AC bridge shown below in the figure has an Z₁ = 10092 + j2009, Z₂ = 600N - j300N, Z3 = 50092…
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A: The solution is given below.
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- In a certain UJT, RB1 = 2.5 kohms and RB2 = 4 kohms. What is the intrinsic standoff ratio? A. 0.8453 B. 0.3846 (c) C. 0.7232 D. 0.6154What will be the frequency of the given signal I=5sin(314t + 45°)For the following configuration: a) Draw the AC equivalent circuit.b) Determine rec) Determine Zi and Zo [when, r0=∞]d) Determine Av [r0=∞]e) Repeat part (c) & (d) when r0=40 ?Ω.
- an input voltage of 230v is applied to a tep up chopper and the output voltage is 690v.the pulse width of the output voltage,if the thyristor chopper consistsof 115microsecondsnon conductingtime is equal toDraw the diagram of a halfwave power supply circuit and a fullwave supply circuit. Aside from the difference between the number of diode utilized in both circuits, state the main advantage of the fullwave power against the halfwave circuit for the following scenario . When there is a defective diode (open anode- cathode ) When the filter capacitor is defective (capacitor is open)For the relaxation oscillator, if RE =10 kΩ, CE =0.005uF and η=0.63, what is the approximate oscillation frequency?
- What must be the cutoff frequency of the low-passfilter in the figure in the EIA box if therms value of the total ac component in the outputvoltage must be less than 1 percent of the dc voltage? Assume R1 = R2 and vI = −5 sin 120πt V.Choose the correct answer:9- Parellel resonant transformer test system is used whena) Large test voltages are neededb) Stable output voltage with high rate of rise of voltage is neededc) Large current is neededd) When high frequency test voltage is needede) High accuracy is needed10-Sphere gaps are used to measurea) DC, AC peak and impulse voltagesb) DC voltagesc) AC peak voltagesd) Only DC, and impulse voltagese) Only DC and AC peak voltagesDraw the spectrum of the followings modulated signal for the given case: SSB(+) SSB(-)+C DSB LC DSB SC VSB + C
- Calculate the base current IB in uA when VCC=19V, VEE=-15V , RB=8808 ohm, RC=14798ohm, RE=11126ohm and B=1345. A 300-W carrier is modulated on a depth of 60 %. Calculate the total power in the modulated wave in each of the following forms of modulation: a. SSBFC b. SSBSC c. DSBFCexplain the phase lag compensator