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Published byAdrián Zúñiga Modified over 5 years ago
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Overview of Course Goal: Primarily to develop techniques and intuition for evaluating and understanding digital (and analog) circuits, and especially FETs Circuit components: R, C, L – structure, characterization, I-V, energy storage/dissipation Circuit analysis: Laws: Ohm’s, KVL, KCL Steady excitation (and a touch of AC excitation phasor I and V amplitude only, impedance instead of just resistance): Equivalent circuits (series/ parallel, Thevenin, Norton) Superposition for linear circuits Nodal analysis Mesh analysis
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First-order transient excitation/analysis:
esp. RC as those time constants will determine propagation delay of digital circuits Semiconductors (basis of electronic revolution): fundamental properties: intrinsic vs. extrinsic = doped, carrier type, carrier concentration, m, r, s; velocity saturation, etc. devices: pn-diodes (many types), FETs (n-channel, p-channel, CMOS); depletion regions, threshold voltage, nonlinearity, etc. Useful circuits: amplifiers: op-amp (negative feedback), MOSFETs; rectifiers; electronically controlled switches (MOSFETs); logic gates; combinatorial logic (sum-of-products, Karnaugh maps), sequential logic, memories, registers, etc.
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MOSFET Operating principles:
ID (VDS, VGS); role of m, Cox, L, W, VT; different operating regions, etc. Design/fabrication Fabrication processes: oxidation, photolithography, etching, ion implantation, CVD, sputtering, CMP, etc. Circuit isolation, silicon-on-insulator Limits (propagation delay due to RC transient, lithography, power, size, etc.) Characterization Gain; noise margins, inverter operation Propagation delay (design for balanced operation LH and HL) Power consumption: Power dissipated proportional to CVDS2f Fan-out, wiring effects
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