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A triode has mutual conductance = 2.0millimho and plate resistance = 20kΩ. It is desired to amplify a signal by a factor of 30.

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A triode has mutual conductance = 2.0millimho and plate resistance = 20kΩ. It is desired to amplify a signal by a factor of 30. What load resistance should be added in the circuit?

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rp = 20KΩ = Plate Resistance

Mutual conductance = gm = 2.0milli mho = 2 x 10–3mho

Amplification factor μ = 30

Load Resistance = RL = ?

We know

where A = voltage amplification factor

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