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Design a basic two-transistor current sourcecircuit configuration suchthat
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Microelectronics: Circuit Analysis and Design
- . Design a fixed bias-transistor circuit using V = Vcc = 10 V for a Q-point of Iç = 5 mA and Va 4 V. Assume Boc = 100.The design involves finding R, and Rc. inakomeont thot one is hiasedarrow_forward4. For the transistor in the figure shown below, the parameters are ß = 100 and VÀ = ∞. a. Design the circuit such that lEQ = 1mA and the Q-pt is in the center of the dc load line. b. If the peak-to-peak sinusoidal output voltage is 4V, determine the peak-to-peak sinusoidal signals at the base of the transistor and the peak-to-peak value of Vs. If the load resistor R₁ = 1kQ is connected to the output through a coupling capacitor, determine the peak-to-peak value in the output voltage, assuming vs is equal to the value determined in part (b). Vcc=+10 V www Rs = 0.7 kΩ Cc www RB RE voarrow_forwardThe n-channel JFET and the D-MOSFET have very similar I-V output characteristics. Which of these two structures can be operated in enhancement mode and why is that possible.arrow_forward
- Using LTSpice, simulate the circuit below, use 2N3904 for the transistor. Part ! DC simulation: Measure VCE and Ic. Use .op for the simulation cmd. Remove all capacitors and input signals first. Part 2 AC simulation: Connect all capacitors now and apply an AC signal at the input with an amplitufe of 1mV and a frequency of 1kHz. Determine the Voltage gain of the circuit by dividing Vo with Vin. Show the output for both the DC and AC analysis. Take a screenshot of the circuit and the output voltages and waveforms. Paste in a word file, write your answers, then save as pdf. 50 kΩ Σ 20 0,5 ΚΩ wwwh 9 Vcc=20 V Ca=1 µF = Cc₂ Cg=50 μF 5.6 kn B=100 Ca IST • 3.3 ΚΩ 5 ΚΩΣ CEarrow_forwardAs a maintenance engineer in a semiconductor company, you are given a task to replace the current version of dc-biasing circuit for a faulty tester machine. This dc-biasing circuit used an n-channel JFET as shown in Figure 2. Re-design a new dc-biasing circuit using an n-channel D-MOSFET that can produce a similar output current, IDQ as the previous circuit. Your tasks are: (i) Calculate the operating point (IDQ and VGSQ) of the dc-biasing circuit in Figure 2. Then sketch the JFET network transfer curve (ID and VGS). (ii) Without changing the circuit configuration, calculate the values of source resistor, RS and RB to achieve this objective. Determine the commercial value of the new RS and RB. For cost reduction reason, the values of RD, RA and VDD should be maintained. The chosen D-MOSFET has a maximum drain current of 8 mA and gate-source cutoff voltage of – 15V. The new RS value should be 3 times larger than the old RS used in the JFET network to compensate for the high…arrow_forwardTime left 1:46:17 A bipolar junction transistor is described in the figure below. The transistor is implemented in the circuit with Vcc, Rc, and RB equal to 16 volts, 2k, and 10kn. Determine the value of Vout if Vin = 1.1V. V... in RB B Vec Ro V E outarrow_forward
- Determine the input resistance Rin as indicated in the figure. Ignore resistor ro of the transistor and capacitors are large. A. Rin = R1//R2//R3 B. Rin = R2//R3 (//R4//R5) C. Rin = R2//R3 // ( r π + [1+gm r π ] (//R4//R5) ) D. Rin = R2//R3 // r π (//R4//R5) )arrow_forwardComplete the given BJT circuit. Solve for the value of the resistors and the voltage supply that will satisfy the given DC loadline. Assume IC=IE and RC=RE. Show and label properly the required final circuit. 5 mA 2.5 mA * IC IC 0 15 V 30V VCE RB B +VCC C E RC B=100 RE ...arrow_forwarda) Draw the symbol of n-channel D-MOSFET. b) Draw the transfer characteristics of p - channel E - MOSFET. Į c) A Zero - biased n - channel D - MOSFET has a drain current Ip flowing with VGs = 0 V. Draw %3D the circuit diagram. Given that VDD = 14 V, Vp = 5 V, Rp = 700 and Ipss = 14 mA. find the value %3D of Vps-arrow_forward
- Q1. The output characteristic of a typical transistor is shown below, where the quiescent point is selected on it. This transistor is used in the bias circuit presented below. Find the suitable values of Rg and Rc to fix the Q-point of the circuit properly. +Vcc = 12 V 12- Is = 70 uA 10- Ig = 60 uA 8- Rc Is = 50 uA Rs 6- Ig= 40 uA 4. Is = 30 uĄ Is = 20 uA B = 100 2- VBE = 0.7 V 0- -2- 2 4 6 8 10 12 14 16 VCE (V) Ic (mA)arrow_forwardSketch the de load line, quiescent collector current, quiescent voltsge, input power, output power and maximum efficiency of the circuit shown an Figure. The input results in a base current of 5 mA peak to peak What maximum output power can be delivered by the circuit, if the input voltage is changed resulting in a base current of 10mA peak to peak and hence find the maximum etficiency. cc=15 V R =18 2 -25arrow_forwardFill in the table VB VC VE Ic LE I8 fre IT gm 5V Consider the circuit given at the right. 600k 1.5k =0.7, Vauo, B=165) 100uF Vo 1k 100uF a) Perform DC analysis and calculate all VB =? VC:? branch currents, node voltages, and small signal parameters 3K VE=? Rout b) Draw a small-signal equivalent model n Vin Rin 400K c) Calculate Ri, Rout, and Ay=Vou/Vin -5Varrow_forward
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