Question

Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB and a 3-dB frequency of 1000 Hz Find the gain in dB at f- 10 Hz, 10kHz, 100 kHz, and 1 MHz Problem For the circuit shown below first, evalusteand the coresponding comer froquency. Second evalmt and the corresponding comer froquency. At the end caloulate overall transfer function T(w)= and reurite it in the standard fom ( and draw a Bede magnitade plot for T() 100-F I MO R 20KD C. GV 10 p G-100 mAY Problem 2 For the circuit shown below, find the transfer function T(a) and arrange it in the appropeiate standand form Is this a high-pass or a low pass network? What is its transmission at very high frequencies? What is the corner frequency ? For RI-10 an R2-40 1nand C-0.1F.nd f What is the value of IT() Problem 3 The circuit shown below shows a signal source connected to the input of an amplifier. Here R, is the source resistance, and R and C are the input resistance and input capacitance, sespectively, of the amplifier. Derive an expression forand show that it is of the low-pass STC type. Find the 3-B frequency for the case R,-20k R-s0 k, and C-5pF. Problem 4 A current amplifier for which R-1 k, R-10k and A-100 A/A is to be connectod betweem a 100-mV sinusoidal source with a resistance of 100 kand a load of I kn What are the values of cunent gain of voltage gain and of power gain expressed directly and in decibels? also find "Open-Cincuit Transconductance, and "Open-Circuit Transresistance"

Answer 1

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