Calculate the overall voltage gain Gv of a common-source amplifier for which gm = 3 mA/V, ro = 100kΩ, RD =10kΩ, and RG =10MΩ. The amplifier is fed from a signal source with a Thevenin resistance of 1 MΩ, and the amplifier output is coupled to a load resistance of 20 kΩ.

Gv = -17.045 v /v

Explanation:

gm = 3 mA/V, ro = 100kΩ, RD =10kΩ, and RG =10MΩ , Rth = 1 MΩ , RL =20 kΩ.

firstly we need to find the parallel resistance of the three resistances (ro || RD || RL )

= + +

=

RT = 6.25KΩ

the formular for the overall voltage gain is given as,

overall voltage gain Gv =   ×gm × RT

Gv =   × 3×10⁻³ × 6.25×10⁻³

Gv = -17.045 v /v

answer:

c

explanation:

answer:

a

explanation: