Do as directed 1. Define : Resistivity 2. List out all digital modulation systems. List out all Analog modulation systems 3. Define CMRR, PSRR for OPAMP 4. Define Noise in communication. 5. Delta connected resistors having equal value of 3 Ω. Find all equivalent star connected resistance values. 6. Which theorem can apply in NODE analysis and MESH analysis for network solution.? 7. List out any five OPAMP applications.
[7 marks]Find correct option 1. Which resistor is smallest in size ?
[7 marks]1000 M Ω, 100 W (c) 100 KΩ, 1W
[ marks]1000 KΩ, 0.5 W (d) 10 Ω, 1W 2. Capacitor C1=C2=C3= 0.1 µF connected in parallel. This parallel module is connected in series with C4=0.3 µF . what is equivalent capacitance
[ marks]0.3 µF (c) 0.15 µF
[ marks]0.6 µF (d) 0.0 µF 3. OPAMP 1 having higher value of CMRR compare to OPAMP 2. Which OPAMP is batter ?
[ marks]OPAMP 1 (c) OPAMP
[2 marks]Both (d) batter OPAMP cannot checked with CMRR 4. EX OR gate having 4 inputs A=B=C=1, D=0 Output Y=__
[ marks]0 (c)
[ marks]Don’t care (d) EX OR gate with 4 inputs is not possible. 5. Ideal current source having source resistance =______
[ marks]0 (c) 1 Ω
[ marks]100 KΩ (d) infinity 6. OP AMP can Perform
[ marks]NOT gate logic (c) Integration Operation
[ marks]LOG operation (d)All of above 7. Following of which digital signal is one of the type of impulse signal?
[ marks]X(n)=0 , for all values of n
[ marks]X(n)=1 , for all values of n
[ marks]X(n)=1 for n=4 , X(n)=0 elsewhere
[ marks]X(n)=0 for n < 0, X(n)=1 for n > =
[ marks]Write characteristic of IDAL OPAMP.
[3 marks]What is universal GATE ? Make EX-OR gate using one of the universal gate.
[4 marks]Explain the equivalent circuit of OP-AMP with suitable diagram. Explain the inverting and NON inverting operation of OP-AMP
[7 marks]What is slew rate in OP AMP. Its value should be higher or lower for OPAMP to behave near to ideal.?
[3 marks]What is K MAP. Reduce the given function using K-map. F(A,B,C,D) = Σmi (0, 1 , 2, 3, 5, 7, 8, 9, 10, 11,13,14).
[4 marks]state the NORTON’s theorem . Find out current through 40 Ω load resister from node Ato node Bby using it. (Fig 1) Fig (1)
[7 marks]Define potential, potential difference, current.
[3 marks]How to use ammeter and voltmeter to read current and voltage.? List out sensor to measure temperature.
[4 marks]State superposition theorem. Explain by taking a example.
[7 marks]Compare LAN, MAN and WAN
[3 marks]State and explain De Morgan’s Theorem with truth table
[4 marks]OP-AMP with non-inverting configuration Vcc= ± 15 V, input voltage =1 V, input resistance Ri= 1KΩ. What is the value of output voltage if (1) feedback resistance Rf=0 Ω (2) feedback resistance Rf= infinity Ω (3) feedback resistance Rf=1 Ω
[7 marks]Define AM, FM and PM.
[3 marks]Draw and explain functional block diagram of a signal processing system
[4 marks]Explain sampling, quantization and codding process for PCM .07
[ marks]Compare open loop and close loop system
[3 marks]Write short note on Cellular communication system
[4 marks]Explain any seven rules for block diagram reduction of control system with necessary diagram.
[7 marks]