2. The following circuit shows a discrete common emitter BJT amplifier.The BJT has B-100, Ca=5 pF, C, = 1 pF and VA-0, VT 25 mV(1) Find DC collector current (lc), transconductance (g-), Te and re(2) Draw small signal equivalent circuit of the amplifier in low frequency band, and determine lowcomer frequency(OL) using approximation method (using time constants).(3) Draw small signal equivalent circuit of the amplifier in high frequency band, and determinethe high coner frequency( n) using approximation method (using time constants).VcC 9VRC20kaO vout1FRaigCC1RL20k020kaRBVsigCE1MO10F0. 1mA

DC collector current: It is the current that is flowing in the collector terminal of the BJT. The…

2. The following circuit shows a discrete common emitter BJT amplifier. The BJT has B-100, C.-5 pF, C-1 pF and VA , Vr 25 mV (1) Find DC collector current (lc), transconductance (g-), te and re (2) Draw small signal equivalent circuit of the amplifier in low frequency band, and determine low comer frequency(»L) using approximation method (using time constants). (3) Draw small signal equivalent circuit of the amplifier in high frequency band, and determine the high corner frequency( tn) using approximation method (using time constants). vcc 9v RC 20k0 O vout Raig C1 RL 200 20ka RB Vig 1MO CE 10F 0. 1mA

2. The following circuit shows a discrete common emitter BJT amplifier. The BJT has B-100, C.-5 pF, C-1 pF and VA , Vr 25 mV (1) Find DC collector current (lc), transconductance (g-), te and re (2) Draw small signal equivalent circuit of the amplifier in low frequency band, and determine low comer frequency(»L) using approximation method (using time constants). (3) Draw small signal equivalent circuit of the amplifier in high frequency band, and determine the high corner frequency( tn) using approximation method (using time constants). vcc 9v RC 20k0 O vout Raig C1 RL 200 20ka RB Vig 1MO CE 10F 0. 1mA

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Similar questions

1.Tell a difference between a JFET and a MOSFET.2-Why at medium frequency is considered a short and an open capacitor in a BJT amplifier?3- If an amplifier with BJT has a bias voltage of 9V and a gain of 128, what is the maximum amplitude of the input signal so that there is no distortion at the output?
(a) What is the short-circuit current gain (magnitude and phase) at 50 MHz for a BJT with rx = 250 Ω, fT = 400 MHz, Cμ = 0.5 pF, βo = 100 and IC = 1.25 mA? (b) What is the input impedance Zi B at the base of a common-emitter amplifier at 50 MHz using this transistor if gm RL = −20?
In the common emitter amplifier, R1 = 50Ω, R2 = 1kΩ, and CL=1 pF. Determine the quiescent collector current, ICQ, needed such that the unity gain frequency, fu, = 1 GHz. Show your complete solution and state all your assumptions.
A BJT will be used in a differential amplifier with load resistors of 100 kΩ. What are the maximum values of rx and Cμ that can be tolerated if thegain and bandwidth are to be 100 and 1.8 MHz, respectively?
For an RC coupled transistor amplifier, the magnitude of the mid-frequency voltage gain is given as 150. Find the value of the load resistance if the following are the values of the h-parameters that represent the BJT: 1. hfe=125 2. hie=900 ohm. hoe and hre can be neglected.
please explain For given BJT, β=200. The applied input frequency is 20 Mhz and net internal capacitance is 100 pF. What is the CE short circuit current gain at β cut-off frequency?
Please answer correctly and as soon as possible. I'll give upvote. Thank you. In the common emitter amplifier given, R1=50Ω, R2=1kΩ and CL=1pF. Determine the quiescent collector current, ICQ, needed such that the unity gain frequency, fu, is equal to 2.4 GHz. Show the complete solution and state all assumptions. The BJT parameters are as follows: β→∞,VA→∞, and Cπ=50 femtofarad (fF). Ignore all other parasitic capacitances and use VT=26mV.
Connect the elements given below as a BJT amplifier circuit with common emitter. BJT is BC547Bterminals from left to right are named collector, base and emitter respectively. 9V battery as VCC sourcewill be used. The audio signal obtained from the microphone will be connected to the circuit as the input signal. C0 at the outlet, CI at the inlet,CE is given as a bypass capacitor.
The common-emitter amplifier given in the figure in the circuit, Vcc=9V, R1=27kΩ, R2=15kΩ, RE=1.2kΩ and RC=2.2kΩ. Transistor β=100 has value. a-) If it has values of Rsig=10kΩ and RL=2kΩ Calculate the IE of the amplifier. b-) For small signal analysis of transistor Find the value of Rin by deriving the π-model c-) Calculate vo/vsig and io/ii.
Solve for the 3 Critical frequencies and determine the low cut-offfrequency of the given FET and BJT amplifier circuits. Show complete solution.
1.)If the low pass filter on the right is connected to the bjt amplifier on the left, will there be a loading effect if the unity gain amplifier isn't there? Why? 2.) Please explain what happens in loading effect. And how it happens for this example (removing the unity gain amplifier) 3.)As shown in the amplifier there is a capacitor added after Vin. Is this a coupling capacitor? Why should there be a DC/AC coupling in between the low pass filter and the gain circuit?
for the BJT circuit shown with ( β = 120) determine low cutoff frequencies and what isthe effective low cutoff frequency