For a common emitter transistor working in active state, following data is given `R_(L)=1KOmega` `V_("in")=10mV` `triangleI_(B)=15muA,triangleI_(C)=3mA`. The input resistance `r_(i)`& voltage gain `A_(V)` for the transitor is
In a transistor connected in a common emitter mode it has, R_(c)=4kOmega, R_(i)=1kOmega, I_(c)=1mA and I_(b)= 20 muA. Find the voltage gain.
In a transistor, connected in common emitter mode R_(0)=5kOmega," "R_(i)=1kOmega," "I_(C)=1mA,I_(B)=40muA . Find the voltage gain.
The correct curve between voltage gain (A_(v)) and load resistance (R_(L)) is
A transistor, connected in common emitter configuration, has input resistance R_(i)=2kOmega and load resistance 6kOmega . If beta=60 and an input signal 10mV is applied, calculate the (i) resistance gain, (ii) voltage gain (iii) the power gain and (iv) the value of the output signal.
In a common emitter transistor amplifier the audio signal voltage across the collector is 3 V . The resistance of collector is 3 kOmega . If current gain is 100 and the base resistance is 2 kOmega , the voltage and power gain of the amlifier is :
In a common emitter configuration with suitable bias, it is given that R_(L) is theload resistance and R_(BE) is small signal dynamic resistance (iiput side). Then, volage gain, current gain and power gain are given , respectively, by : beta is currentgain , I_(B), I_(C) and I_(E) are respectively base, collector and emitter currents.
In a common emitter transistor amplifier, the input resistance of a transistor is 1000Omega . On changing its base current by 10muA, the collector current increases by 2mA . If a load resistance of 5kOmega is used in the circuit, calculate: (i) the currnet gain (ii)the voltage gain of the amplifier.