How the voltage gain of the amplifier depends on the frequency of ac signal. please explain.
what is the role of coupling capacitors?
how voltage gain is effected in mid , high and low frequency range?
thanks.
i am not able to understand this line..
in semiconductor laser the transition probablity for a radiative transition across the conduction and valence gap must be high and must exceed the probablity for non -radiative transfer of energy to the lattice.
please explain this theory.