Anna University, Chennai Nov/Dec 2012 Examinations
Rejinpaul.com Important Questions
Transmission Lines and Wave Guides EC2305
Common To V Sem ECE
Unit I-V
1.     Design a constant K T-section band elimination filter with cutoff frequencies of 2 khz and 5 khz. The design impedance is 900 ohms
2.     Derive and draw the characteristics of m-derived T section for high pass filter.
3.     Design a T section and π section constant k high pass filter having cut off frequency of 12 khz and nominal impedance R = 500ohms. Also find i) Zo ii)β at 24 Khz iii) α at 4Khz
4.     Design prototype T section band pass filter having cut-off frequency of 1 khz and 4khz and impedance of 600 ohms. Find resonant frequency.
5.     Draw and explain the operation of crystal filter
6.     What is Waveform distortion? Explain its types with equations. Derive the condition for a  distortion less line?
7.      At 8 Mhz the characteristic Impedance is 40-j2 ohms and propagation constant 0.01+j0.18 per meter. Find the primary constants
8.     Derive the two Standard forms for Voltage and Current of a line terminated by an impedance of the transmission line.
9.     A transmission line has the following parameters per km. R=15 ohms, C=15 uf, L=1mH and G=1 umho. Find the additional inductance  to give distortionless transmission. Calculate attenuation and phase constant for the loaded line