A +12V 11 G 3.3 kQ R1 3.3 ΚΩ 33 68kQ B www R5 R6 4.7Q F 14 5) 12 R2 4.7 ΚΩ 5) 33 kQ R4 C 6.8 k ww E Figure 1 R7 2.2 ΚΩ D R8 13 R9 1.5kQ www

Q6. What is the purpose of harmonic standards? Provide a summary of comparison of IEEE and IEC standards. Write the purpose of the following international standards shown in Table- 2: [12] Table-2 Sr No 1 IEEE-18 Standards Description 2 IEEE 518 3 IEEE 519 4 IEEE 1159 5 IEEE P1433 6. IEEE P1453 7 IEEE P1564 8 IEC61000-3-2 9 IEC 61000-4-7 10 IEC 61642 11 IEC SC77A/WG9 12 IEC SC77A/WG2

Q.) For the circuit shown, if the voltage Vin as shown is positive, which Zener diode functioned as a Zener diode?

Explain what each component is in the design below: DD 7Ro PQ5 8Eo DD 9 So 10 - type of circuit? 1. 6. 2. 7. 3. 8. 4. 9. 5. 10. CO

Peak input voltage =(from graph) ?Peak output voltage =  (from graph)?DC voltage across RL = ?ripple factor=?

VCC V1 D2 .tran 10 QTLP690C R8 1k Q4 2N2222 R6 1k vout Q2 2N2222 R2 470 R4 56k C2 47μ VCC C1 47μ Astable Multivibrator R3 56k w R1 470 Q1 2N2222 R5 1k D1 QTLP690C R7 1k Q3 2N2222 How many states does this circuit have? Draw a circuit diagram showing each state.

Consider the Circuit below: VCC R1 RC Q1 RE Solve for IC in mA given that: RE=0.14kOhms RC=0.30kOhms R1=2.82kOhms VCC-13.12V Beta = 109.18

Rs e = 10 Vrms MA Rsh=S00n Rmz500.2 %3D Each diod has an average forwerd resistance of 50e and is assumedto have an inf inite resistance in the reerse direction Calculate 1-Rs 2-The a.c. Seasitivity 3- the sensitivity. d.c. equivra fant www

The voltage of the Vin input signal will be 200mVp and the frequency will be 1KHz.Perform DC and AC analysis.

BkcBZYhc850ZmX4-RzV7i6yWprtMcdra5me-w_Og/formResponse The DAC with inputs and outputs shown in figure below, the fault in the circuit is in note (all the values is in approximate range ) RF R1 200 120k U1 R2 60k R3 741 30k R4 15k - 13.2 mV - 15.6 mV - 29.9 mV -65.6 mV -79.9 mV - 82.2 mV - 96.5 mV R1 O R2 0000 0010 0100 0110 000 1001 1010 1011 1101 1110 III 0000