Concept explainers
Consider the fully cascoded diff-amp in Figure 11.37 . Assume
Want to see the full answer?
Check out a sample textbook solutionChapter 11 Solutions
Microelectronics: Circuit Analysis and Design
- Time 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_forwardIt is connected to the input of a transistor (BJT) amplifier circuit with a gain of "-50" with a peak value of 100mV. a sine sign is applied a) Draw the circuit. b) Underline the input and output voltages by specifying their values.arrow_forwardInstruction/s: Draw, Illustrate and label your schematic diagram before solving the problem.2.) Given a Collector -Feedback Biased transistor circuit with voltage at common collector is +10v ,base resistor is 100k ohms, Collector resistor is 10k ohms and Base current is 8.38 micro ampere, ,Voltage at Base-emitter junction is 0.7v. Determine Beta DC , Collector current and Voltage at collector-emitter junction. These might help as a guide to answer the problem...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_forwardcircuits by using the small signal models of the transistor. Assume the Early voltage of the transistors are infinitely large. Calculate the small-signal input and output impedances of the following Vcc R1 R1 Rout VB RE Rin R2arrow_forwardV* = + |ov Ri Rip ERC Vs RE V: -sV The following parameters are given for this transistor: B = 200 and VA = o. Design the circuit with the following value ICQ = 1.5mA and VCEQ = 5V. Find the small signal voltage gain AV = Vo/Vs. Find the input resistance in the signal source Vs.arrow_forward
- QUESTION 7: A BJT diff-amp circuit is biased with a BJT constant- current source Io=2.32 mA. The BJT constant-current source has an output resistance of Rocs = 4.8 MN. The bipolar transistor parameters are ß = 50 and V4=0. Determine: (a) the differential-mode input resistance, R¡d and (b) the common- mode input resistance, Ricm- Iq (kN) Format : 5.69 Rid (kN) Format : 5.45 Ricm (MQ) Format : 335.5arrow_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_forwardQUESTION 10: The circuit parameters for diff-amp shown in Figure 11.30 are V* = 6 V, V = -6 V, and Io = 0.45 mA. The transistor parameters are ß = 74, V₁1 = V42 = 115 V₂ V 43 V 44 = 90 V, and V45 = ∞0. Determine the open-circuit differential-mode voltage gain. What is the output resistance of the diff-amp? Find the value of load resistance R₁ that reduces the differential-mode gain to 71 percent of the open-circuit value. Ad (open circuit) Format: 7842.2636277565 R₂ (kn) Format: 429.43075670268 Format: 672.96782467086 R₁ (kn) ibl iz i₁ 8mºd 2 V+ 25 V- i₂ = 8m'd 2 24 2₂ Signal ground V- Figure 11.30 Cc 8md 2 -Ove RL Sning Toolarrow_forward
- "It is desirable for the following circuit, assuming the transistors are the same." A) Common fashion gain B) Differential gain mode C) Input resistance network D) CMRR E) What effect does the change in load resistance have on the circuit? Vcc Rc Re Qu, Vi PEE -VEEarrow_forwardGiven a D-MOSFET circuit used as an amplifier with the following parameter: IDSS=12mA and a transconductance of gm=3.2 mS. Determine the DC drain to source voltage VDS and the AC output voltage if Vin=500 mV.arrow_forwardDetermine the voltage gain magnitude when vin-2sin(362t) v. Transistor parameters: B=99, VEB(on)=0.7V and VA=00. O a. Vop~ 1.28V O b. Vop 1.80V OC. Vop~ 0.90V O d. O e. Vop~0.64V None Vin 0.5mA C₁ = 0.1μF www 55.2k -5 +6 C₂ →∞0 0.5karrow_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,