a) Draw a complete discrete common base amplifier comprised of the components shownbelow. Assign values for all resistors and capacitors. These components do not have to bestandard values.PNP transistorVoltage Sources: VPOS, VNEG, and yaigResistors: R1, R2, Rc, RE, and RsigCapacitors: CB, Cc, and CEb) Using your assigned values for the components in part a, calculate the voltage gain of theamplifier using the following parameter values:Ic = 0.5mA B = 100 V, = 26mV VEB = 0.7V R,= 20kn r. = 00c) Calculate the low cutoff frequency fBL.

Another form of Bipolar Junction Transistor is the PNP transistor (BJT). The PNP transistor has an entirely different structure than the NPN transistor. In comparison to the NPN transistor, the PNP transistor's two PN-junction diodes are inverted, with two P-type doped semiconductor materials separated by a thin layer of N-type doped semiconductor material. In a PNP transistor, holes make up the bulk of current carriers, while electrons make up the minority. The polarity of all supply voltages applied to the PNP transistor is inverted. The current dips into the base terminal in PNP. Because the PNP is a current-controlled device, the modest base current may regulate the huge emitter-collector current. solution: (a) constructing a diagram using following information given in the question: common base amplifier circuit: (b) Let us assume resistance at emitter RE=1kΩ resistance at collectorRC=1kΩ collector current Ic=0.5mA DC gain of the transistor β=100 thermal voltage VT=26mV emitter base voltageVEB=0.7V load resistance RL=20kΩ output resistance ro=∞ capacitance Cc1=Cc1=1PF and CB=2PF so voltage gain(Av)=conductance(gm)×equivalent resistance we know conductance gm=ICVTsiemensgm=0.526siemensgm=19.23×10-3siemens Av=19.23×10-3(20k//1K)Av=2021×103×19.23×10-3Av=18.31 so voltage gain is Av=18.31 (c) lower cut off frequency fBL=12πrπ(CB+Cc1) here rπ=VTIBrπ=26mV0.5mA/100rπ=5.2kΩ so fBL=12π×5.2×103(2+1)×10-12fBL=32MHz As a result cut off frequency fBL=32MHz

Engineering

Electrical Engineering

a) Draw a complete discrete common base amplifier comprised of the components shown below. Assign values for all resistors and capacitors. These components do not have to be standard values. PNP transistor Voltage Sources: VPos, VNEG, and Vaig Resistors: R1, R2, Rc, Re, and Rsig Capacitors: CB, Cc, and CE

a) Draw a complete discrete common base amplifier comprised of the components shown below. Assign values for all resistors and capacitors. These components do not have to be standard values. PNP transistor Voltage Sources: VPos, VNEG, and Vaig Resistors: R1, R2, Rc, Re, and Rsig Capacitors: CB, Cc, and CE

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...

See similar textbooks

Similar questions

1. In which of the following configuration does a MOSFET works as an amplifier? a) Common Source (CS) b) Common Gate (CG) c) Common drain (CD) d) All of the mentioned
Enclosed please find an amplifier circuit designed with a BJT transistor. VCC = 9Volt for the circuit. All capacity values are selected sufficiently large. BJT Transistor B = 100 Vbe(on) = 0.8V, VA=100V, Vt= 26mV Vce (sat) = 0.15Volt. Calculate “Vceq” and “Icq “ values at the operating point of the circuit. In what area does this BJT transistor work in? Draw the small signal equivalent circuit of the circuit. Calculate the AC small signal current earnings of the circuit (Ai = I out / I input). Note: Is the current passes over Rs source resistance and The IO current passes over RL source resistance. Please Calculate Rin input resistance?
For a common-collector amplifier, RE = 100N, r. = 10N, and 30ac = 150. If a 10 mV signal is applied to the base , the output signal is approximately 10 mV 150 mV 1.5 V 100 mV
A transistor amplifier circuit is biased so that the quiescent point is to the far left of the load line midpoint. What do you expect to occur when the input voltage begins to vary? O The output voltage will be distorted on the bottom because it will hit the lower limit for VCE before the input voltage arrives at its peak. The output voltage will be distorted on the top because it will hit the upper limit for VCE before the input voltage arrives at its peak. O The output voTransistor's output voltage will look like the input voltage amplified and inverted. The output voltage will be zero (flat).
For the circuit in Figure 1, the transistor is biased so that ICQ is 10 mA and VCEQ is 8 V. As a starting point, let VRE be 20% of VCC. Calculate the values needed for RE and RC.Assume β is 100. Select the nearest standard values for the twoCalculate the values of R1 and R2
estion 2: Consider the BJT circuit given here. ( Write the input and output loop equations For the given values of Vcc= 10 V, Vin = 4V and resistor values, calculate all current values (IB, IC and IE) and VCE Assume that the ß for the transistor is 100 and the voltage drop across LED connected between Collector terminal and resistor (Rc) 2.1 V. TH i. ii. 111. VIN Vcc Rg=100 kΩ Re=2 kΩ LED 2.1 V B= 100 Based on the above analysis, correctly identify the current mode of operation Cutoff mode Active linear mode Saturation mode
To operate as an amplifier, it is the base of an npn transistor... Please select one: a. 0V b. positive by collector c. negative relative to emitter d. positive relative to emitter
In the above circuit, BJT's VT values are not identical. a) For the collector currents of transistors to be 2 mA What should the R0 value be? b) Find the values for gm1 and gm2. c) Find the differential mode gain (ADM). d) Find the common mode gain (ACM). e) Find the CMRR value.
Derive the output resistance using small signal model for the following circuits, assuming the transistor has output resistance of a transistor is ro and transconductance of gm. Rout PPA Rout Vb- Vbo Rout Rout Vdd Vb- Rout
Output Stages: Class AB Output Stage
What are resistors for? What are capacitors for? What are transistors for? What are Operational amplifiers for? What are oscilloscope for?
The MOSFET based circuit shown in the figure below is used for the purpose of small signal and V are small signal input and output voltages respectively, then the circuit analysis. If V represents sig (a) Common source amplifier (c) Common drain amplifier Vsig ww RG (b) Source follower amplifier (d) Common gate amplifier