a) transistor operated in class B transistor coupled amplifier
b) efficiency is high
c)
24. Amplifier. Answer the 10 questions about this circuit. Show all work. +15 V C1 0.1 HF 10:1 Ca...
please answer this ASAP Answer the following questions for the below BJT amplifier circuit. Assume capacitors are short in the signal circuit. Use Vr 25 mV,B = 100, Vpo = 0.7 V, and Ignore the early effect in the bias and signal circuits Find the Bias parameters of the amplifier circuit a) b) Find the small signal parameters of the amplifier. c) Draw the small signal equivalent circuit. Find the open loop voltage gain (Ayo), voltage gain (A,), total circuit...
1-Clear handwriting 2-Correct answer 3-Organized 4-answer all the questions Please Problem 2 On the circuit on Figure P2, transi stor Q1 has a threshold voltage of Vt = 2 V and a transconductance parameter of k = 100 mA/V2. Note that Vcc = -Vee = 4.5 V. Moreover, capacitors C1, C2, and C3 can be assumed to be very large VDD 4.5.0 R3 25kQ R1 300kn C2 Vout C1 Rsig Q1 1k0 R2 200kn Vsig (R4 2kQ C3 -4.5V VSS...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
It Kind of goes without saying but if you have no knowledge than dont comment or try and answer this question you dope Questions 1-3 below are about the amplifier circuit of Figure 1. Here Vcc is a fixed voltage The base voltage vB(t) is time-varying, and is of the form vB(t) V(t) where VB is a DC offset, and vb(t) is a time-varying purely AC signal. Suppose the amplitude of vb is A. Assume that the capacitor C is...
Question 1 In the diagram of Superheterodne AM receiver shown below explain the function of each block. (a) 15 marks Antenna Speaker Audio and power amplifiers RF IF Mixer Detector Mi amplifier amplifier AGC --_Local Gang tuned oscillator (b) For a 4-bit DAC, calculate the output voltage for an input code word 1010 if a [10 marks] logic 1 is 10V and a logic 0 is 0V, and R = RFI kΩ Total: 25 marks] Question 2 (a) Explain the...
please answer in full detail, show all work. thank you FInd all the DC collector currents showing all work. Reference First stage Second stage Output stage current cc (+15 V) 13A 12 13 B 14 19 27 Ω Out 18 | R10 = 40 kΩ 27 Ω Q2 39 kΩ In In l CC 30 pF REF 24 I 16 10 17 50 kΩ 100 Ω 024 50 kΩ VEE 15 v) Figure 13.14 The 741 op-amp circuit: Qu, Qi2,...
Please solve all parts pf the questions. Please show clear and neat work. Thank you! FEEDBACK AMPLIFIER ANALYSIS β,s/ Sa) Identify the feedback topology being used. Draw the B-network and You must justify or explain find the numerical value for B- your answer for full credit (20 pts) 2 Assume matching transistors with DC bias voltage (or an ac ground) Sb) Draw and fully label the A-circuit (includes loading effects, R & R but NO feedback) p) Sc) Calculate the...
4. The MOSFET in the circuit given below has Vi- 1 V, kn 0.8 mA/V2, and VA 40 V a) Find the values of Rs, Ro, and Ro so that Io -0.1 mA, the largest possible value for RD is used while a maximum signal swing at the drain of tl V is possible, and the input resistance at the gate is 10 MS2. b) Find the values of gm and ro at the bias point c) If terminal Z...
choose one of the multiple choice answers above. please show all work Question: 10 CIRCUIT Y FIG.10 (5 Marks) Statement: Consider the RC-coupled amplifier circuit illustrated in Fig. 10 (CIRCUIT Y). Sketching relevant output (Vc-Ic) characteristics, decide Q-point coordinates and DC load-line details (of the NPN-BJT/Si circuit of Fig. 10 of Circuit Y). Further, establish an appropriate AC-load line and decide the maximum swing of the output voltage across Rload with respect to the Q-point. Assume the input signal at...
. Consider the circuit below. If Vs-Vincos(ot), show that 2 =-1+ jc0C, R, . Plot Vo, as in function of ω for 0<ω< 10 rad/s if Rs-1kQ, Rf-10 kQ, and CF-0.1 mF. What does this circuit do? CF Rf Vo Rs This is an example of an ACTIVE FILTER because this circuit can amplify as well as filter an input signal. . Consider the circuit below. If Vs-Vincos(ot), show that 2 =-1+ jc0C, R, . Plot Vo, as in function...