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a. Determine the ratio of cross section of a circular waveguide to that of a rectangular one, if each is to have similar cut off wavelength for its dominant mode.
b. Compare waveguide and transmission line from the point of view of frequency limitation, attenuation, spurious radiation and power handling capacity.
c. What are the typical frequencies, bandwidths and repeater gains and spacings in a coaxial cable system?
d. How do the three main types of INTELSAT satellite earth stations vary from each other, in general appearance and applications?
Q. (a) Consider a diode circuit with RC load as shown in Figure. With the switch closed at t = 0 and with the initial condition at t = 0 that vC = 0, obtain the functional forms of
Q. Consider the circuit of Figure with V S = 94 V, V Z = 12 V, R = 820 , R L = 220 , R S = 0, and R Z = 25 . Assume the reverse saturation current of the zener diode to be
Explain working of Phase Shift Oscillator? Figure shows a phase shift oscillator. Here the combination of ReCe provides self bias for the amplifier. The phase of the signa
The manufacturers of the tank described in Problem would like to design another model, with twice the capacity of the one described in figure. The ratio of height to diameter must
Q. Due to what special property does an emitter amplifier work as a buffer amplifier? The circuit design of the emitter follower is such that it has a high input impedance and
waht is harvard architeceture/
principle of resistive feedback circuit change when the square wave and triangular pulse frequencies, the amplitude of the triangle wave
details
PN Diode The current-voltage characteristics are of major concern in the learning of semiconductor devices with light entering like a third variable in optoelectronics devic
advantages of superposition theorem
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