CONTEST CHALLANGE TASK ROUND #4

1) The circuit below is a model of nonlinear electronic circuit. What kind of model is this and how could the original nonlinear circuit look like? Draw the nonlinear circuit with TINA using File/New. Copy and paste the new circuitry into a document and email to us.

Click here to download model.sch

2)       Derive the voltage gain A=V2/V1 and the input impedance Z_in by hand calculation, using only pencil and paper or a word processor.

Click here to download zin.sch

3)       Check your result using TINA’s Analysis/Symbolic Analysis/AC Transfer/ command to derive the AC transfer function of the circuit automatically. For deriving the symbolic expression of the input impedance download the circuit below.

4)       Show that your solution and the formula derived by TINA are equivalent and e-mail us your detailed solution, including your step by step development of the the A and Z_in

Round  #1
Round  #2
Round  #3

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