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Q. (a) An ampli?er with F0 = 3 or 4.77 dB, f0 = 4 GHz, and BN = 14 MHz is used with an antenna forwhich Ta =200K. The connecting path loss is 1.45, or 1.61 dB at a physical temperature of 250 K. Find the available system noise power. compute the signal-to-noise ratio.
Q. In a CD amplifier,given Rs =4k?, µ=50 and rd= 35k μ. Find the voltage gain Av. The voltage gain, A v = Vo / V i = µR s / (µ+1) R s + rd = 50*4* (103 )/ (50+1)*4*103
how to connect some DG together?
Q. Explain the theory of thermal runaway? The maximum average power Pdmax which a transistor can dissipate depends upon the transistor construction and may lie in the
Q. The cutoff frequency of a dominant mode in an air-?lled rectangular waveguide is 3 GHz. What would the cutoff frequency be if the same wave - guide were ?lled with a lossless di
A 440v 4-pole dc generator takes an armature current of 50A when rotating at 626 rpm. the armature circuit resistance is 0.25 ohms. determine the generated emf?
Determine the disadvantages of GPS system - Maps not up to date hence instructed to carry out an incorrect manoeuvre (for example turn into a road that no longer exists) -
Q. Show how the conservation of power is satisfied by the circuit of Figure.
Q. Basic introduction of Analog Building Blocks? Electronic systems usually process information in either analog or digital form. In order to process the two different kinds of
Q. The input to the differentiator circuit is a sinusoidal voltage of peak value 5mv and frequency 1kHZ. find out the output if R=100K and C=10^-6F Solution. The equation
Explain Total internal reflection? The refractive index of a medium is defined as the ratio of velocity of light in vacuum to the velocity of light in that medium n x = C/V
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