In a single state transistor amplifier, when the signal changes by $$0.02$$ V, the base current change by $$10$$μA and collector current by $$1$$ mA. If collector load $$RC=2k$$Ω and $$RL=10k$$Ω , Calculate Current gain, Input impedance, Effective a.c. load, Voltage gain and power gain.

Question

In a single state transistor amplifier, when the signal changes by $$0.02$$ V, the base current change by $$10$$μA  and collector current by $$1$$ mA. If collector load $$RC=2k$$Ω  and $$RL=10k$$Ω , Calculate Current gain, Input impedance, Effective a.c. load, Voltage gain and power gain.

Infinity Learn · Accepted Answer

(i) Current Gain  β$$=$$δicδ$$ib=100010=100$$ (ii) Input impedance  $$Ri=$$δVBEδ$$ib=0.0210=0.002$$μΩ$$=2k$$Ω(iii) $$Effective(ac)load$$ $$RAC=RCRLRC+RL=2(10)2+10=1.66k$$Ω(iv) Voltage gain  $$AV=$$β×$$RACRin=100$$×$$1.662=83.33(v)$$ Power gain, $$AP=AV$$×β$$=83.33$$×$$100=8333$$

In a single state transistor amplifier, when the signal changes by 0.02 V, the base current change by $10 μ A$ and collector current by 1 mA. If collector load $R_{C} = 2 k Ω$ and $R_{L} = 10 k Ω$ , Calculate Current gain, Input impedance, Effective a.c. load, Voltage gain and power gain.

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In a single state transistor amplifier, when the signal changes by 0.02 V, the base current change by 10μA and collector current by 1 mA. If collector load RC=2kΩ and RL=10kΩ , Calculate Current gain, Input impedance, Effective a.c. load, Voltage gain and power gain.

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

In a single state transistor amplifier, when the signal changes by 0.02 V, the base current change by $10 μ A$ and collector current by 1 mA. If collector load $R_{C} = 2 k Ω$ and $R_{L} = 10 k Ω$ , Calculate Current gain, Input impedance, Effective a.c. load, Voltage gain and power gain.