Question 2: Common Base For the amplifier circuit in Figure Q.1, the transistor parameters are Ica= 1.36 mA, B = 125, VBE = 0.7 V and VA = 0, 1) Draw the mid-frequency AC equivalent circuit of the amplifier. 2) Determine the amplifier input impedance, Zi and output impedance, Zo. 3) Determine the voltage gain, Av=VL/Vi 4) Determine the current gain, Ais=IL/IS C3 10 µF i 100 µF R2 24 k2 Rc 3.9 k2 R, 100 k2 RE 3.3 k2 RL 4.3 k2 Vị VL i, 100 sin ot uA C2 4.7 µF Vcc 10 k2 18 V Zo Figure Q.1

Question 2: Common Base For the amplifier circuit in Figure Q.1, the transistor parameters are Ica= 1.36 mA, B = 125, VBE = 0.7 V and VA = 0, 1) Draw the mid-frequency AC equivalent circuit of the amplifier. 2) Determine the amplifier input impedance, Zi and output impedance, Zo. 3) Determine the voltage gain, Av=VL/Vi 4) Determine the current gain, Ais=IL/IS C3 10 µF i 100 µF R2 24 k2 Rc 3.9 k2 R, 100 k2 RE 3.3 k2 RL 4.3 k2 Vị VL i, 100 sin ot uA C2 4.7 µF Vcc 10 k2 18 V Zo Figure Q.1

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

The amplifier configuration shown in figure below is a a) common emitter b) common collector c) common base d) base follower configuration, where the is at ac ground, and the ac output voltage a) collector B) emitter C) capacitor D) base with the input. A) amplified and 180deg out of phase B) almost equal and 180degree out of phase C) almost equal and in phase D) amplified and in phase
d. For the feedback amplifier,. determine the base, emitter, and collector voltages of each transistor. 12 V 220 2 P-80 -160 1.8 MA
To keep inter stage loses to minimum in multistage amplifier, ................is required.
Class 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)
(i)Draw the pin diagram of Operational Amplifier. (ii)List the types of Operational amplifiers .Also write the definitions of any two of them.
(b) The multistage amplifier circuit of Figure Q.2(b) have the following parameters: Qı and Q2: B= 200, VBE = 0.7 V, VT = 26 mV , VA=∞ Given that Icọ1 = 2 mA and VCEQ1 = 2 V. (i) Determine the value for R84. List the assumption/approximation made in the analysis. (ii) Sketch and label the small-signal hybrid-t equivalent circuit at midband frequency range. (iii) Calculate the small signal hybrid-n model parameters: gm and ra for Qı and Then, determine Zi2 and Zo. VSI (iv) Find +15 V TU MA RBI 100 k2 UNIVERSITI { Rc 3.3 k2 RB3 10 kN IcQI Q2 C4 Qi VCEQI Ro TEO ► 50 k2 Rs 100 2 RL V. 10k2 RE 2 kN RB4 C3 Zi2 Z, Figure Q.2(b) AYSIA
Why do we need 3 types of cascaded amplifiers?
Which of the following is the basic feature of the emitter-connected amplifier circuit? I. It has voltage gain II. It has current gain III. There is a 180 degree phase difference between the input signal and the output signal
1. By using re model, draw the a.c. equalent circuit for the transistor amplifier shown in figure 1 Figure 1 i. ii. iii. iv. "Î Figure 2 R₁ C₁ V₁ R₂ 2. By using equalent circuit mention in 'part 1'. Write the mathematical expressions for followings, www m input impedence of the amplifier output impedance of the amplifier voltage gain of the amplifier current gain of the amplifier 3. By using h-parameter model, draw the a.c. equalent circuit for the transistor amplifier shown in figure 2. Assume that hre= high (∞), hoe = 0 and the rectance of capacitors C₁, C₂ and C3 is zero. Vcc Rc R₁ C₁ VBE RE R₂ +₁. Vcc Rc RE: C₂ C₂ Vo Vo R₁ R₂ Rc RE hie hfe = 38 ΚΩ = 10 ΚΩ = 4.7 ΚΩ = 2.2 kΩ = 1kΩ = 50
Show that series-Fed Class A Amplifier Efficiency is 25%?