Tools Some practice ques. UNIVERSITY OF UL. X 313 180% fep = 30 0 HE 8) Before the digitisation process of a recorded ECG signal, high-frequency signal components BELOW above 200 Hz must be eliminated, and the passed signal components require amplification at a voltage gain of -10 VV. To achieve this signal conditioning process, the first order active low-pass filter circuit below is used. If the value of R2 is set to 20 KQ, determine the required values of R1 and C for the above proposed signal conditioning process. Signal conditioning 2TT Rz C Rz process R2 GAin =-10 =- PASS-BAND Ri R1 ECG Digitisation process DELL

Tools Some practice ques. UNIVERSITY OF UL. X 313 180% fep = 30 0 HE 8) Before the digitisation process of a recorded ECG signal, high-frequency signal components BELOW above 200 Hz must be eliminated, and the passed signal components require amplification at a voltage gain of -10 VV. To achieve this signal conditioning process, the first order active low-pass filter circuit below is used. If the value of R2 is set to 20 KQ, determine the required values of R1 and C for the above proposed signal conditioning process. Signal conditioning 2TT Rz C Rz process R2 GAin =-10 =- PASS-BAND Ri R1 ECG Digitisation process DELL

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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What is the relationship between the analog signal frequency F and the digital signal frequency f? (T is the period of the sampling period)a. F = f * Tb. F = F * Tc. No connectiond. Nothing is right
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(b) High-frequency ECG biopotentials analysis in the ST-T segment of a high-resolution ECG signal recording requires the analysis of signal components above 30 Ilz and below 800 Hz. Design a first order band pass passive filter to accommodate this specified frequency bandwidth. Sketch the circuit configuration. You may use an op- amp buffer stage in your circuit design.
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Q.2:- a) Explain what a band-pass filter is, and how it differs from either a low-pass or a high-pass filter circuit. Also, explain what a hand-stop filter is, and draw Bode plots representative of both band-pass and band-stop filter types. b) What is the purpose (ll) of the parity bit during data transmission?
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CR active filters find extensive use in communications and instrumentation measurements. a) By considering how the capacitor impedance in Figure 1 varies with frequency, explain if the circuit in Figure 1 acts as a low-pass or high-pass filter. p) Derive the closed-loop gain for the case of very high frequencies. c) Draw a graph that shows the frequency response of the CR active high-pass filter. The y-axis should correspond to gain in dBs and the x-axis to frequency. Make sure that you clearly indicate the 3 dB point and the equation that describes the relationship between w and CinRin at the cut-off frequency. Cin Rin A Vin Vout Figure 1
If the signal to be analyzed is an analog signal, then we pass the signal to an antialiasing filter where B is the bandwidth of the filtered signal. What sampling frequency (Fs) should be used to make this signal discrete/digital?