Vout OA1 TL081 + шowing questions www R2 10kQ ww R4 9kQ ww R5 1 kQ Figure 5 i) Name the type of this filter. C1 V1 104 nF sine ii) Find the cut-off frequency and the voltage gain in decibels of the filter. Adb= ZologA iii) Find the voltage gain in decibels at cut-off frequency. ffL iv) Find the bandwidth of this filter.

2. a) Consider the circuit shown in figure 3. i) Determine what type of filter is shown in Figure 3 i) Calculate the corner or cutoff frequency. Take R = 4 k &, L= 2 H, and C= 1 uF. R Figure 3 b) Describe the possibility of building a second order filter with only resistors and capacitors? and design the cutoff frequency of second order filter for low pass filter (Expected: Describe the possibility , design the second order filter for low pass filter circuit and design the cutoff frequency as equation only).

Q2. You need to measure an input with highest frequency of 750kHz. What is the minimum sampling frequency and cut frequency of the anti-aliasing filter? Q3. Some measurement samples are as follows, -73.75, -33.73, 11.02, and 54.24. Find the peak using Prodar and Man&Morrison methods. Sampling frequency is 1000Hz. 1000M 1901: Mabutings M egatlovcm spisy 880.0 SO4.0 880.0 80 x 10 beyasiz ant stinW

Q1Determine the centre frequency, gain, and quality factor for the filter in figure. 11 kOhm 120 nF 120 nF HH HH Vin 22 k Ohm 240 nF 22 k Ohm 10 kOhm 13 kOhm Vout

The output of a limiter is a signal: Select one: O Constant O Triangular O Sinusoidal O Square Bandpass limiter in FM receiver is used to: Select one: O a. amplify the received signal b. demodulate the received signal C. approximate the differentiator Od. remove the amplitude variation in the received signal

Q)Design a Discrete Time Low Pass Filter for a signal. Butterworth Filter. Chebeyshev Filter The specifications are:(Voice Signal) 1) Passband Fp = 4 kHz, with 0.2 dB ripple; Stopband FS 4.5 kHz, with 45 dB ripple. Sampling Frequency Fs = 22 kHz. (Use For Both Filters). 2) passband ripple - 0.2 stopband ripple 45 passband frequency 1300 stopband frequency = 1500. sampling frequency=10000. (Chebeyshev Filter) 3) Passband ripple=0.5 stopband ripple 50 passband frequency 1200. stopband frequency = 2400 Sampling Frequency= 10000. (Butterworth filter)." 4)Choose your own Specifications

1. In an application it is required to attenuate 0.5MHZ noise by 97%. Assume that the data is coming at much lower frequency than 0.5MHZ. Also assume that there is no need to amplify the filtered output signal.What kind of filter you would design in this application?a. Passive high pass filterb. Passive low pass filterc. Active low pass filterd. Active high pass filterQUESTION 21. In Question # 1, what is cut off frequency value you would choose to design the filter?a. 10KHZb. 15KHZc. 5KHZd. 100KHZQUESTION 31. In question # 1, what would be the filter gain (magnitude) for an input signal of 400HZ?a. 0.09b. 0.707c. 0.99d. 0QUESTION 41. In Question # 1, in designing the filer if you choose the capacitor value as 47pF, what resistor value you must use?a. 225Kb. 120Kc. 450Kd. 200

O d. FM demodulator Choose the correct statement(s) that describe the diagram below. - x,(1) Bandpass filter Envelope detector Limiter Differentiator Select one or more: a. FM Demodulator b. Narrowband to wideband conversion OC. PM Demodulator Od. Linear PLL model e. FM Discriminator with bandpass limiter A third-order PLL can track a frequency-ramp with zero steady-state nhase error

He (e tw) -27 27 The frequency-omplitude graph of discrete time low pass filter is given above. Based on this graph, find the time domain equivalent of a high-pass fiter in the time doman by inverse fourter transformartion.

A geophone is able to pick up signals in the frequency range of 20 Hz to 340Hz. Design anactive filter and a passive filter the earth vibration signal which ranges from 50 Hz to 250 Hz.What is the filter gain when the signal is at 450 Hz for both filters? Please state which type offilter performs better in this scenario and why