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Q1(a) [5 Marks The diagram of Fig Ql(a) below describes how a Bipolar Junction Transistor (BJT)...
2. (36% ) In Fig. 2, the device parameters and (W/L) ratios for Q1-Q3 are given below (WIL), 2 (W/L)2-2 (W/L); (a) (10%) If IREF-2nA, find VD3 and VS3 and verify if Q3 is in saturation. Ignore the channel length modulation for DC analysis. Note: DC Vc30 (b) (12%) Draw the "small signal" circuit for the complete +10 V amplifier. Based on the circuit, derive the AC voltage gain vo/vi in terms gm, ro and RD (please use appropriate subscripts...
pls answer all and asap.tqvm. (a) () What is the significant used of multistage amplifier compared to single stage amplifier? (2 marks) (ii) In terms of circuit connection, how to differentiate between direct and capacitively coupled amplifier circuit? (1 mark) (ii) Give a reason why the capacitively coupled amplifier circuit is not suitable for amplifying DC voltage? (2 marks) (b) The multistage amplifier circuit of Figure Q.3 have the following parameters: Q1, Q2: B = 200, VBE = 0.7 V,....
This is the solution to a homework problem. The table below was completely unfilled. I don't understand some of the filled in cells. If possible please show the circuit diagram to solve this and the relationships between the given parameters. In order to fill in the table, you would need a small signal model and a DC model. From the two models you get the equations you need to fill in the cells in the table. This solution was provided...
For the amplifier configuration in Figure 4.1, the transistor parameters are; loss 10 mA, Vp 5 V and 0.01 V. The circuit parameters are; VDo 12 V, Rs 1.2 kn, Ri-265 k, R2 165 k, and RL-0.5 k [Bagi tatarajah penguat dalam Rajah 4.1, parameter transistor adalah; Inss 10 m, V- sV dan à-0.01 Parameter litar adalah; V 12 V, Rs 1.2 k R 265 R-165 k, dan R-0.5 ko VDD Rin R Ro Cc Cc2 RL R2 Rs +...
Problem #5 (20 points) n the two stage cascade amplifier circuit shown below, the MOSFET has V IV and k-0s mA/ and the BIT has p 100 a) Perform the DC analysis of this circuit and based on the appropriate DC current values, calculate the small signal parameters for each transistor. b) Replace each transistor with its appropriate small signal model (neglecting ro) and draw the resulting smali- signal circuit for this amplifier circuit. HINT: You may use the T-model...
Question 4 (25 Marks) (5) 1. Derive the Dynamic Emitter Resistance, re that is used in the re-model small-signal analysis of BJT. 2. The circuit in Figure 7 shows the multistage cascade of two single transistors with B=100. Given the value of Vpp=12 V, R1=120 kN, R2=40 kN, R3=100 ks, Ra=30 kn, RE1=3.9 kN, Rez=4.5 kN, Rc1=6.5 kN, Rc2=8 ks, (2) (4) (a) Identify the transistor configuration for all stages. (b) Determine the d.c collector current (Ici and I cz)...
Lab Preparation . Using DC analysis, and assuming that the transistors (QuEr and Q) are in the active mode, determine the value of RREF required for generating a copy current of 0.755 mA. Take the value of Vcc to be 8 V, and the value of VE in the active mode to be equal to 0.7V. Vee H Qur о RaI Figure 3 Single-stage amplifier biased by a simple current miror device 2. The circuit shown in Figure 3, is...
An analogue amplifier circuit is shown in Figure 1 below. VDD Q5 15V JL - Vout Irer RI Vina JET T7T Figure 1 Integrated amplifier circuit. Circuit Data: Vpp = 15 V, IREF = I1 = I2 = 1.0 mA Transistor Data: Q1: NMOS, un Cox = 80 A/V?, W/L = 100 um/0.8 um, Vtn = 0.8 V, L = 0.10 um/V Q2: NPN BJT, B = 100, Vbe = 0.7 V, VA = 150 V Q3, Q4: NMOS, un...
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...