Consider the simple bipolar op-amp circuit in Figure 11.49 with circuit and transistor parameters given in Exercise Problem Ex11.15. Determine the input resistances
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Microelectronics: Circuit Analysis and Design
- Draw the DC and AC load line for a transistor amplifier circuit shown in Figure, also describe the optimum operating Point for the given values as follows: Rc = 10 KQ ; RL=20 KQ and V cc = 20 V +Vcc Ic Rc Cc Cc V. out R1 Vin wwwarrow_forwardC. A variable capacitor. O d. An amplifier. When operating in the saturation region, the current gain 'B' of the bipolar transistor increases Select one: OTrue O False Assume Is= 8x 105 A, B-100, and VA =-. For the circuit shown below and for -0.5 mA, the value of the transconduce Vcc=2 V Q1arrow_forwardFor the given op-amp, determine the voltage gains: (a) Av1=Vo1/Vi and (b)Av=Vo/Vi.arrow_forward
- It 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_forwardThe common-mode gain is ........... 1. very high 2. very low 3. always unity 4. unpredictablearrow_forwardFigure 1(a) shows a series fed class A amplifier circuit. In order to achieve the maximum efficiency, the Q point must be located at the center of the DC load line as shown in Figure 1(b). This generates the maximum output current swing of Icmax (p – p) RC and the maximum output voltage swing is VCEmax(p – p) = Vcc Assume that the maximum input de power is (1 Vcc Pimax(dc) = Vcc!cQ(max)=Vcc \2° Rc. 2Rc Find the maximum efficiency, 7 of this circuit.arrow_forward
- 1. Without bypass capacitor CE, determine Av2. Without bypass capacitor CE, determine the current gainarrow_forwardFind voltage gain (Av) and the output voltage (Vo) Note: • Voltage output is in peak-to-peak. • Use the exact formula and not the approximation to solve for the required parameters.arrow_forwardA) Design with drawing an Op-Amp series voltage regulator to give a regulated O/P voltage of 12V for an I/P of 15V B) Calculate the line regulation if the I/p increases to 4V leads to increase the O/P voltage to 0.02V.arrow_forward
- A single-phase full-wave converter in the figure below is supplied with a 120-V, 60-Hz source. The load is highly inductive and the load current is continuous and free of ripples. The electromotive force is neglected (E 0) and the resistance has a value of R = 10 Q. The delay angle is equal to 31.8°. The average output current is 9.18A and the nth harmonic component is expressed as below. The harmonic factor (known as THD) would be equal to: R 2. vZ.1. Ir = Vo n. T +Yi, = I, E Select one: O a. 58.3% Ob. 48.3% O C. 78.3% Od. 68.3%arrow_forwardCalculate the output impedance for small-signal equivalent circuit. (R1=10 k ohm, r0, =10 k ohm)arrow_forwardClass B Amplifier q1)If the input is 7.5Vp-p...DATA COLLECTION: What is the IL(peak)? a)7mA 6)mA 5)mA 4)mA q2) DATA COLLECTION: What is the Idc? a)3.84 b)4.82 c)3.82mA d)1.82mA q3)DATA COLLECTION: What is the input power in DC? Power input = 48.45mW Power input = 45.48mW Power input = 44.58mW Power input = 45.84mW q4) DATA COLLECTION: What is the output power in AC? a)18mW b)81mW c)11.8mW d)18.9mW q5)DATA COLLECTION: What is the power dissapated by each transistor? a)35.1mW b)53.1mW c)15.3mW d)13.5mW q6)DATA COLLECTION: What is the efficiency of class B amplifier? a)45% b)40% c)63% d)33% q7)arrow_forward
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