Question

(c) The small-signal equivalent circuit of a voltage follower is shown below in Fig. 2.3. (3 marks) Determine an expression f

can someone show me how to do this please

i think i was taught that when i want to find the output resistance then all i need to do is short circuit the input voltage and add a nominal voltage attached to Vout inorder relate with ohms law to find output resistance

thank you

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Answer #1

Procedue tind Cul pu Resistance R to slep RL Open Circui Shot Circwl inpud Volage Step 2 at ross Outpud terminals (or Ri) 1 VRE V IV Ve=IV & By KCL, it m e RE + Jm Vbe RE Puting Ve -1v 1-m RE レキー TII RE 1 i= 9mt 1 9mt (RETT) i= 9m t REll TT Resistanckindly see the above images for the solution.

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