ISRO Scientist or Engineer Electronics 2012
For the following questions answer them individually
In the following Smith Chart,
the movement from y along a constant VSWR circle to y1 needs addition of
If the RF transmission is terminated in its Characteristic impedance Z,, which of the following statements is wrong :
The loss-less , quarter wavelength long , RF transmission of characteristic impedance 50 Ω_ is terminatedin pureresistive load impedance 100 Ω the input impedanceis:
A lossless matching circuit is shown in the figure
The values satisfying the matching condition are:
As the wave frequency approachesto cut-off frequency of wave guide, the correct statementis :
The EM wave which does not propagate through a rectangular waveguide with a = 30 mm & b = 15 mm is
The minimum inputsignal that gives outputsignal to noise ratio of 10 dB in a system that has an input impedance equal to 50 Ω, a noisefigure of 4 dB and bandwidth of 100 KHz is :
