Concept explainers
Figure P10.52 is a PMOS version of the current-source circuit shown inFigure 10.17. The transistor
Want to see the full answer?
Check out a sample textbook solutionChapter 10 Solutions
Microelectronics: Circuit Analysis and Design
- 2. This is a small signal problem. Suppose the MOSFETS drawn have lp = 1 mA when VGS = 2.5 V, and Vth = 0.5 V. Suppose the BJTs drawn have Ic = 1 mA when VBE = 0.7 V. Av VDD = 5V VDD VDD T T Rc = 1 kn Vin RB2 = 10 kn RB1 = 10 kn w/li w Rp = 1 kn R₁ Vout (a) Derive voltage gain Ay and input impedance Zin assuming R₁ ➡8. (b) Plot Ay as a function of R, assuming R, is attached between Vout and ground. (c) Rederive Ay and Zin assuming Roo and after swapping the BJT and MOSFET. RLarrow_forwardConsider the MOSFET amplifer circuit shown in Figure below. Assume µnCox(W/L) = 4mA/V2, Vt = 1V Draw an equivalent DC model, and equivalent circuit of the amplifier. Determine the drain current and its overall voltage gain respectively.arrow_forward32 The circuit shown in Figure P10.32 is a common-collector (also called an emitter follower) amplifier stage implemented with an npn silicon transistor. Determine VCEQ at the DC operating or Q point. Vcc = 12 V B = 130 R = 82 k2 R2 = 22 k2 Rs = 0.7 k2 Rp = 0.5 k2 RL = 16 2 R13 Vcl Rs R2 RE ww wwarrow_forward
- 1. Calculate the component values necessary to give the design of a Class B common emitter amplifier based on BC109 or equivalent. The nominal voltage gain should be 5 and the input signal should be 0.2 Vpeak-peak. Given such a general specification itarrow_forward9. Design a biased-transistor circuit using VBB = Vcc= 10 V for a Q-point of Ic = 5 mA and VCE 4 V. Assume pc = 100. The design involves finding RB, RC, and the minimum power rating of the transistor. (The actual power rating should be greater.) Sketch the circuit.arrow_forwardVsis (~ Q3 (a) What is the advantage of using MOSFET as compared to BJT at the first stage of multi-stage amplifier? Rais 600 02 www Z₁ (b) Describe the function of the capacitor for the following condition: (1) (ii) SEEE/SKEE 1073 (c) The transistors parameters in Figure Q.3 are given as follow: BJT (iv) ↑ B-350, VBE 0.7 V, Ic=0.3 mA, VT 26 mV, and ro=00 E-MOSFETk 0.8 mA/V², VT- Vas(T) = 1 V C₁ HE a capacitor between stage 1 and stage 2 of a RC-coupled amplifier. bypass capacitor which is commonly used in small signal amplifier. (i) Draw the ac equivalent circuit at middle frequency for circuit in Figure Q.3 by using hybrid-x model. (ii) Determine the values of Z., Ziz and Zo. (iii) Calculate the gain, v/v, in decibel (dB). Draw and label the waveforms vo when v=2 sin 50t [mV] for one complete cycle. + Roi 50 ΚΩ Vi Ra 6 kn Ro 4.5 k Q₁ Rs 3 kQ C₂ не +15 V DS ↑ 22 R₁ 75 k R₂ 9 kn Figure Q.3 Multistage amplifier circuit Re RE 2kQ Rez 1kQ ← 2₂ -C₁ R₂ 20k2 %arrow_forward
- 1. For the circuit in Figure 1: a) Calculate the input and output power if the input signal results in a base current of 5 mA rms. b) Calculate the input power dissipated by the circuit if Rg is changed to 1.5 kN. c) What maximum output power can be delivered by the circuit if RB is changed to 1.5 kN? d) If the circuit is biased at its center voltage and center collector operating point, what is the input power for a maximum output power of 1.5 W? +Vcc (18 V) Rc = 16 2 RB 1.2 k2 V. B - 40 100 µF Figure 1arrow_forward2) Consider the circuit given below. (Assume: K-4mA/V', Vt=-1V, A=0, (K= µCox.(W/L)) da Perform DC analysis and calculate Va. Vsg, Vs, voltages, and Ip, gm, ro values bo Draw a small-signal equivalent circuit Co Calculate Av, Rin, Rout values as shown on the schematic Also ) satwaton mode Test for Fill inthe table VG VSG O2m A Rin Vs QUin ID vo Coo 9m Ro Av Rout Rin Routarrow_forward........ (Figure-1) R. RB= 380kN,Rc= 1kN B = 100, VBB = Vcc=12V RB ww Vec CC ......... I, V CE СЕ V ВЕ BB Q-1-b) Describe briefly the input / output characteristics and application of Common Emitter BJT Configurationarrow_forward
- Draw, Illustrate and label your schematic diagram before solving the problem. 3) Given an Emitter-Stabilize Biased transistor circuit with beta DC is 250,Base resistor is 150 ohms, collector resistor is 1.5k ohms ,emitter resistor is 500 ohms ,emitter voltage supply is -5v and Voltage at common collector is +28V,Voltage at Base-emitter junction is 0.7v,. Determine Base current, Collector current and Voltage at collector-emitter junction.arrow_forwardDesign a common-emitter amplifier to provide a small-signal voltage gain of approximately -10. 1. Consider the circuit shown in Figure 1. Show the following calculations in your notebook: Calculate a value for Rc so that A, z –10 Calculate values for R1 and R2 so that the circuit is bias stable and near the center of the load line. (Note: Use the datasheet for the 2N5209 transistor to make your calculations more accurate). Vcc = 10 V R1 Rc Cc2 Cci RL Vs R, REj = 499 Q Figure 1: Common-emitter amplifier for part #1arrow_forwardDesign a voltage divider biased CE stage with emitter degeneration. That stage should support a voltage gain of 5 and an input impedance larger than 3 KOhms with a bias current of 0.5 mA. Assume Beta=100, Is = 5e-17. Neglect the early voltage effect. You also need to provide values for the operating point of this transistor. Find the output resistance of this stage if the early voltage = 20 V.arrow_forward
- Introductory Circuit Analysis (13th Edition)Electrical EngineeringISBN:9780133923605Author:Robert L. BoylestadPublisher:PEARSONDelmar's Standard Textbook Of ElectricityElectrical EngineeringISBN:9781337900348Author:Stephen L. HermanPublisher:Cengage LearningProgrammable Logic ControllersElectrical EngineeringISBN:9780073373843Author:Frank D. PetruzellaPublisher:McGraw-Hill Education
- Fundamentals of Electric CircuitsElectrical EngineeringISBN:9780078028229Author:Charles K Alexander, Matthew SadikuPublisher:McGraw-Hill EducationElectric Circuits. (11th Edition)Electrical EngineeringISBN:9780134746968Author:James W. Nilsson, Susan RiedelPublisher:PEARSONEngineering ElectromagneticsElectrical EngineeringISBN:9780078028151Author:Hayt, William H. (william Hart), Jr, BUCK, John A.Publisher:Mcgraw-hill Education,