a) Write out the equation for AVT. b) What is the minimum value for gmR, such...

 

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a) Write out the equation for AVT. b) What is the minimum value for gmR, such that Avr > 0.95? c) Assuming the maximum value of RL, find the minimum value of gm required to achieve the minimum value for gmRL' in (b). d) Hence derive the minimum value of Ic e) find a value of V, and then select Re Rin ww RTH=-0 C₁ VB (V) = igs VE (V) = Ic (mA) = R₁ gm (1/2) = R₂ is ie Va ww Vcczx 4.68V RE VE Q₁ 2N3906 非 Summarize your design choices below, assuming |VBE| = 0.75V. Rat OPA344 output Fig. 3. PNP Common-collector or Emitter Follower driver for 3202 earpiece VL RE (12) = RL (22) = BJT = PNP gmRL' = R₂=320 Earbud Load resistance a) Write out the equation for AVT. b) What is the minimum value for gmR, such that Avr > 0.95? c) Assuming the maximum value of RL, find the minimum value of gm required to achieve the minimum value for gmRL' in (b). d) Hence derive the minimum value of Ic e) find a value of V, and then select Re Rin ww RTH=-0 C₁ VB (V) = igs VE (V) = Ic (mA) = R₁ gm (1/2) = R₂ is ie Va ww Vcczx 4.68V RE VE Q₁ 2N3906 非 Summarize your design choices below, assuming |VBE| = 0.75V. Rat OPA344 output Fig. 3. PNP Common-collector or Emitter Follower driver for 3202 earpiece VL RE (12) = RL (22) = BJT = PNP gmRL' = R₂=320 Earbud Load resistance