(10 pts) Consider a common-emitter amplifier with emitter resistor shown below. DC voltage source...
Perform a simple initial design of an ac coupled common-emitter amplifier with four resistor biasing and emitter by-pass capacitor, to have a voltage gain of about 100, for the following conditions. Justify any approximations used. (Assume Ic=1/300 A) i)Transistor ac common-emitter gain, B, 100 ii) Supply voltage ofV0c-20V iii) Allow 10% Vcc across RE DC collector voltage of 10 V iv) v) DC current in the base bias resistors should be ten times greater than the DC base current. Assume...
We design a voltage amplifier using a BJT following the plan laid down in the handout "Notes on common emitter transistor amplifier 8 IN RB Design an amplifier with a Gain VoutVinl30 Assume the transistor gain is B 100. Let Vcc 15 V Choose VCE Vcc-VCE.Sat Choose Ic.o-10 mA. 1. Determine values of resistors Rc, RE, and RB so that the gain is essentially independent of the value of β 2. State and satisfy the load-line relation between lc.a and...
Shown below is a single stage common emitter amplifier with a unipolar dc power supply using an 2N3904 NPN BJT as the active device. It is specified that V+ 40 V, C1 C2CE 100uF, Ro-7.5 k2, REi-5.1kS2, and Ri - 36k52. Design the circuit so that the dc collector current is 2 mA and the magnitude of the small-signal midband voltage gain is 32.3. For the design calculations assume that the base-to- emitter dc voltage drop is 0.65 V, the...
You are required to design a 2-stage voltage amplifier (find values for RE, RC1, RC2) to meet the following criteria: an input resistance of 400 kΩ and an overall voltage gain equal to or greater than 250, with a resistor output load, RL. Use a common-emitter with emitter degradation (RE) stage for the input, followed by a commonemitter amplifier with bias current equal to 0.5 mA. (VCC = 20 V, βo = 200 and the DC levels of the first...
Consider the BJT common-emitter amplifier in Figure 1. Assume that the 2N3904G transistor has the following parameters: β-206, VBE-0.TV and the Early voltage VAT 1000V. vCC RB1a I multiple resistors RC want n Vload 22HF Rload 01 2N3904G V1 6302 4.7HF RE2CE 0.01Vpk 1kHz maliple esistons lue you available in the ki Figure 1 BJT CE amplifier 0.5 V and VC-3 V (a) Design the DC biasing circuit so that lc-2 mA, VCE = 2.5 V, VE Consider the BJT...
please I need details l and....Debate Club | Offic A) Theoretical Design Design a common emitter BJT amplifier with the following requirements: -Rin-10 K2, and Ro-45 ㏀ (Neglect the Early voltage Effect) Vo/Vsig- Gv-40 VIV or 32 dB " VCC-9 V V, IC-1mA, VCE-3.25V and β-100 RL-40 kQ, Rsige I ka, R 1-3R2, and C1-C2-1 μF Voc RC C2 R1 Rsig C1 RL R2 RE B) Verify your design using Orcad Capture Pspice by doing 1) AC sweep (frequency response):...
8. Design the DC bias circuit of a voltage-divider biased common-emitter amplifier (12 points) with the specification given below. Center Q-point, Vcc- 16V, Ico-2.2mA.
and a load resistor are connected to the common-emitter amplifier in Q2 as A voltage source shown in 02. (Extra om in the following figure. Determine R, Ro, Avoe and A, by making full use of the results of t10Marks) if ν,-20mVpp, determine the output voltage, vo. +10V0V Rep-225 Ci 1002 + R: 5.5k2 Rg 300Ω CE and a load resistor are connected to the common-emitter amplifier in Q2 as A voltage source shown in 02. (Extra om in the...
| 100% Q1. (a) A common-emitter amplifier is shown in Figure Q1(a). Explain why the resistor Rs can be used to stabilise the DC biasing. Also, indicate the role of Cci and Cca. 17 marks) +Vcc Ri Cc2 Rs Cc CE RL Vo R2 RE Vs Figure Q1(a) (b) In amplifier design using negative feedback, the desirable properties are obtained at the expense of what? [2 marks] (c) A negative-fecdback amplifier has closed-loop gain A 100, and an open-loop gain...
Design a common emitter (voltage amp) PNP amplifier with a voltage gain of 25, VCC = +15 V, and IC = 0.25 mA. Bias the collector at 0.5VCC. (Coupling capacitor selection is optional.)