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17-Comp-A1: December 2019

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

  1. Question 1 Two-Stage Diode Limiter with Resistive Divider
  2. Question 2 MOS Cascade — Diode-Loaded CS Stage Buffered by a Source Follower
  3. Question 3 Matched Difference Amplifier — Gain and Clipping Limit
  4. Question 4 Split-Supply Common-Emitter Amplifier
  5. Question 5 Three-Stage RC Phase-Shift Oscillator
  6. Question 6 Symmetric CMOS Inverter — Sizing, VTC and Speed
  7. Question 7 4-Bit Binary-Weighted Current-Mirror DAC

Start with Question 1 →

17-Comp-A1, Electronics — National Exams, December 2019. Open-book, 3 hours; seven 20-mark questions, five to be marked (all seven answered below as a complete study resource). Where a diode is used without a stated drop, $V_D=0.7\text{V}$.

Reference texts: Sedra & Smith, Microelectronic Circuits (diode limiters, MOSFET/BJT small-signal amplifiers, active loads, op-amp imperfections and oscillators, CMOS logic, DACs) — the single reference text covering every question on this paper.