2. For the common-emitter amplifier. B= 50. Vcc=12 a) Draw small signal circuit b) Find vout/vin...
Calculate the voltage gain (Av) for the loaded Common Emitter Amplifier below: BAC 200 for all transistors. Assume re 15 Q for the CE Amplifier. Ignore re' for the DP Amplifier Vcc 12 V, R1 56 K, R2 10 KQ, R4 22 KQ R3 5.6 KQ, RL 8 RE(CE) 628 0, RE(CC) 330 Rc 3.5 KQ, Enter your results. No units. SR3 R1 RC C3 Vcc C1 Beta Q2a HH Vin Beta Q1 Beta Q2b C4 R4 Vs R2 C2...
15 Vcc RC 5k C2 R1 4.7k Vout 4H C1 Q1 2210 RL in 2k 50 71? RE 2.2k CE R2 2.5k SINEO AC 0.02 15? ·model 2210 NPN (Bf=100) Figure 1 A simple common emitter amplifier circuit. Note the ac source has a magnitude of 20 mV. NOTE: Only the 'full' schematics are requested below, not the ac small signal models. You may use the equations derived in lecture (or from the text); there is no requirement to rederive...
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for the small-signal voltage gain of Fig. 1(i) in terms of relevant small- signal parameters. (b) Over what frequency range will the gain of the Fig. 1(i) circuit be the same as that of the Fig. 1(i) circuit? (c) Which of the two circuits will show less variation in its de biasing in the presence of processing or temperature variations? Justify your answer. (d) Explain,...
Problem 3: 1. 2. What kind of amplifier (given what you have studied in class) is the circuit on Figure P3? Why? Draw the small-signal equivalent circuit of the amplifier circuit on Figure P3 operating at mid- band frequencies. V1 C2 V2 Vout Q2 R3 R1 C1 Rsig Q1 Vsig R2 Figure P3 Problem 3: 1. 2. What kind of amplifier (given what you have studied in class) is the circuit on Figure P3? Why? Draw the small-signal equivalent circuit...
Question 26 Calculate the output power Pout (RL) for the unloaded Common Emitter Amplifier below BDC=200, BAC = 150, re 0.39 Vs- 538 mVpp, Vcc 15 V, R1=1 KQ, R2 = 330 2 RC= 1000, RE1= 8.20, RE2= 36 0, RL 0.19 KO Enter your results in mW. SR1 RL Vcc C1 Vin Beta Vs R2 RE1 RE2 C2 ww Question 26 Calculate the output power Pout (RL) for the unloaded Common Emitter Amplifier below BDC=200, BAC = 150, re...
ee e A Quèstion 27 Calculate the minimum power rating (Po) for transistor in the loaded Common Emitter Amplifier below Assume Boc- BAC= 149 , Use the exact method to calculate Ip. R1 680 R, R2 510 Q Voc 16 V RL 120 5.1 Q RE2 80 Q, Rc 85 RE1 Enter your results in mW SR1 RC C3 Vcc Vout C1 HI Beta Vin RL Vs RE1 RE2 C2 R2 ee e A Quèstion 27 Calculate the minimum power...
[1] The circuit diagram on the left below is a common emitter amplifier. It is the full complement of components for this type of amplifier ready for AC analysis. This amplifier will be discussed in lecture prior to the lab exercises. However, with the circuit including only Rc. RE, Ri, and R2 as shown in the figure on the right, proceed with the design for a DC operating point of the common emitter amplifier. The following parameters are given: Vcc...
Avec Úvo SRE L V II. (5pt) Consider the above-right common-collector or emitter-follower BJT amplifier circuit. Given: ß= 100, RE = 10 k1, Vcc = 20 V, RB = 5 k1, R1 = 10 kl, and Ry = 2 k1. (a) (1pt) Find the Q-point, i.e. Ibo, Ico, and VCEO; (b) (1pt) draw the small-signal equivalent circuit assuming that the capacitors (C, and Cy) are short circuits for the small signal; (c) (1pt) solve for the voltage gain, Av; (d)...
shows two versions of a common-emitter amplifier and (i Fig. 1 (a) Find the expression for the small-signal voltage gain of Fig. 1(i) in terms of relevant small- signal parameters. (b) Over what frequency range will the gain of the Fig. 1(i) circuit be the same as that of the Fig. 1(i) circuit? (c) Which of the two circuits will show less variation in its de biasing in the presence of processing or temperature variations? Justify your answer. (d) Explain,...
5. (20 points) For the amplifier in the following figure: +Vcc Rout Rc C3 R2 Rin Ri 1 k R3 Vo Vi R1 RE -VEE a) Draw the de equivalent circuit and find the Q-point. Assume B -75 b) Draw the equivalent circuit used for ac analysis. Find the values in Thevenin equivalent representation for the amplifiers between C, and C as shown below. What is the maximum value of v, that satisfies the small- signal assumption? Rout Ri vi...