Gain and loss in dB Signal V,w cos 1000t is input to an amplifier producing output...
1. An amplifier has a voltage gain Av equal to 20. An input voltage v of 150 mVs applied to the input of the amplifier. What is the output voltage vo? Rs 2. For the amplifier in Problem 3, assume the input current i is 2 mA, and the output current io is 10 mA. What is the current gain A, ? Assuming the amplifier as described above has an output resistance is 0 ohms, what is the load resistance...
Please do part a only a) For the common source amplifier below, calculate the small signal gain Av-Vovi (from the transistor gate to the output node), the input resistance Rin, the output resistance Rout, and the overall voltage gain Gv-Vo/Vs (from the voltage source to the output node. Assume that the capacitors act as AC shorts and that the transistor's ro is infinite (can be neglected). Note, you can use the small signal parameters that you solved for in Problem...
Exercise 12.13 Derive expressions for the voltage gain, input resistance, and output resistance of the common-gate amplifier shown in Figure 12.29, assuming that ra is an open circuit Answer The small-signal equivalent circuit is shown in Figure 12.30. A Rin 1/(gm 1/Rs); Ro = Rp. gmR/; +VDD С2 + RL Vo CL R + Vin v(t) -Vss W Ri Rp R 8mVgs Vo Rs Vin + v(t) Exercise 12.13 Derive expressions for the voltage gain, input resistance, and output resistance...
Please do part a only a) For the common source amplifier below, calculate the small signal gain Av -Vo Vi (from the transistor gate to the output node), the input resistance Rin, the output resistance Rout, and the overall voltage gain Gy Vo Vs (from the voltage source to the output node). Assume that the capacitors act as AC shorts and that the transistor's To is infinite (can be neglected) Note, you can use the small signal parameters that you...
3. What is Gain of an Amplifier? Small Input Signal Amplification Stage Larger Output Signal I out V Vin Gain (A) = Output Tnput 4. Draw the general structure / blocks of a measurement systems 4. Draw the general structure / blocks of a measurement systems 5. Express cach stages of the Measurement System for the following Strain gauge Application referring to the Digiac Kit. True Primary Secondary Sensing Explain this stage with its units: Millivolts Volts Deflection bridge Amplifier...
Please answer clearly Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a) Voltage gain (Vo/vi) b) Input resistance (R) c) Output resistance (Ro) d) Maximum output voltage swing so as the amplifier stays in saturation mode. Assume VDD-20 V, R1-2.5 ΚΩ, R2-1KQ, R3-0.5 ΚΩ, R4-5 MQ, R5_1ΜΩ. R4 R1 R5 R2 Ro R3 Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a)...
BJT and Amplifier Circuits +15 V 27 k R2 680 Ω Compute: 53 1. Show the extra units and connections RE 680 2 R2 12 kC2 2. The input and the output impedance 3. The Voltage gain Av 4. If the input ac voltage with Vp-1 mV, draw the output voltage. What is the maximum vin value. 5. 6. The current gain Ai and Ap. 7. Compute the produced power and the consumed power in transistor and RL. BJT and...
An AM receiver is tuned to broadcast station at 600 kHz. Calculate the image rejection in dB, assuming that the input filter consist of one tuned circuit with a Q of 40? An SSB system transmit a peak envelope power of 100 W into a 75 ohms load. The carrier signal is modulated by two tones, with frequencies 2 kHz and 3 kHz with equal magnitude and only the lower sideband is transmitted with a suppressed carrier. Determine the average...
please answer all spring 2019 Name 19. Gain Margin (dB) is: e1OdByb) 15dBa c) 20 d8; d) 35dB; e) 45d8 20. Phase margin (degree) is close to: a) 0; b) 45pe90) 135) e) 180 21. A MOSFET transistor gm 2m5, Cgs 2pF, Ced 0.5pF, its cut-off frequency, ft, is close to: a) 100 b) 300MHz ) 60OMH)1GHe) SGH 22. The cut-off frequency of a BIT with gm-40m5, r pi-2.5Kohm, r o-20Kohm, c mu 1pF and c pi is close to:...
A decibel (dB) is a logarithmic unit used to express the ratio of two values of a physical quantity, often sound level, power or intensity. It is given by: dB - 20 logx Where x is the ratio. Convert the following numbers to dB 1. x=01 dB- dB = 3. x 10 dB- 4. x=473 dB : 5.x=1000 dB= Problem 2 (10 points) Convert the following numbers in dBs to magnitudes (i.e. find x) . -55 dB -17 dB_ 4,...