Discussion: Reduce the following block diagram shown below to a standard form using MATLAB program and find: a. Forward transfer function. b. Feedback transfer function. 100.00 munce c. Open loop transfer function. Lob. Igash, imple d. Closed loop transfer function. H2 R(s) G₁ G₂ G3 G C(s) H₁ H3+ H3 1 G. = s+10 G₁₂ = s+1 s+1 s+1 G₂ G. = G. = 2 3+4+4 s +4s+4 4 $+6 s+1 H₁ = s+2 H₂ = 2 100 0021-greb:[1]=gmunk H₁ = 1 3 Sab[1]=down<<

Subject:Electronics Engineering

Part A 1. An op-amp lead circuit is shown below. The circuit represents a lead compensator. K₂ C₂ R₁. 2. Determine the transfer function of the circuit.

6. An AC precision integrator is desired for a particular application to perform the operation: Vo'(t) = -1200 Vi(t) dt The primes indicate the ac portions of the respective functions. The lowest frequency other than a possible de component of the input signal is estimated to be 1.5 kHz. Determine a suitable design. 7. A low frequency differentiator is desired for a particular application n to perform the operation Vo(t) = -0.002 dvi(t)/ dt Based on a periodic signal with a frequency of 1 kHz, determine a suitable design. 8. Design an astable 555 timer circuit to produce 1kHz square wave, where TH = 0.35 ms and T₁ = 0.65 ms. Select C = 0.01 UE, Determine R₁ and Ra. 9. Design a monostable 555 timer circuit to produce an output pulse 5 ms wide. 10. Using op amps with Xsat = +/- 13 V, design a square/ triangular wave function generator circuit to generate 2 kHz triangular wave with a peak-to-peak voltage of 12 V. 11. Design a non inverting Schmitt trigger circuit with VT to be adjustable…

1- Mention any two advantages of Integrated Circuit . 2- For the circuit given below : Vin is a sine wave Vinpp=6 V and Vref=-2.4 V , Assume Vsat=±12V Name the circuit and draw the input and output waveforms . Vin Vref 3- Explain why open-loop op-amp configurations are not used in linear applications? Draw the block diagram of opamp and define the function of each block

Q1)(a) An industrial liquid level system represented by a signal flow graph is shown in Figure Q1(a) using Mason's gain formula i) Identify the number of forward paths and the forward path gains i) Identify the individual loops, two non-touching loops and three non-touching loops. C(s) ii) Obtain the transfer function R(s) for the liquid level system - H1 64 G2 G6 Cs) R(S) G5 - H2 Figure Q1(a)

Q– 2: Suppose you are designing a Mathematical Calculator. You need Logarithmic and Anti logarithmic functions for the calculator. Draw a neat circuit diagram of an Op Amp based log Amplifier. Derive the output voltage expression for the above circuit justifying its name. Draw a neat circuit diagram of an Op Amp based Anti-Log Amplifier. CS Scanned with CamScanner

Determine the state equations and op equation fa - The system belon), - 2

Q4 Consider you have to design a convertor to produce an output voltage of 36 V from a 3.3-V input DC source. The output current is 0.1 A. The design of above convertor should be for the output ripple voltage of 2 percent. The effect of ESR should be considered having relation to the capacitor value by as, rc = 10-5/c Design the convertor subject to above mentioned design requirements and justify why a boost convertor will not be a good choice here.

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