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22-Elec-A5 Electronics: May 2013

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 Enhancement-Load NMOS Inverter — Voltage Transfer Characteristic
  2. Question 2 Common-Emitter Amplifier Design
  3. Question 3 Op-Amp / Diode Circuits — Output Waveforms
  4. Question 4 Op-Amp with Zener Feedback and Slew-Rate Limit
  5. Question 5 Bridge Rectifier with a Failed Diode
  6. Question 6 Common-Gate Amplifier

Start with Question 1 →

Paper format. National Exams, May 2013 — 07-Elec-A5 Electronics. Three hours, closed book; one approved Casio or Sharp calculator permitted. Six questions are printed, each worth 20 marks, and five constitute a complete paper — all six are solved below as a study resource. Op-amps are ideal with ±15 V supplies unless stated otherwise.

Reference texts. A. S. Sedra & K. C. Smith, Microelectronic Circuits, 8th ed. (Oxford): Ch. 5–7 (MOSFET and BJT amplifiers, common-emitter and common-gate stages), Ch. 4 (diode limiters, clamps and rectifiers), Ch. 13–14 (CMOS/NMOS inverter VTC and noise margins), and Ch. 2 (op-amp precision rectifiers and slew rate).