# PH332 & PH336: Electronics & Signal Analysis

### Part 1: Electronic Systems

Dr. Ray Butler, Rm 148 Physics (downstairs), x3788, ray.butler

nuigalway.ie

12 Lectures

#### Part 2: Signals

Prof. Mike Redfern, Rm 144 Physics (downstairs)

12 Lectures

Labs: Several of the experiments in 3rd Year Physics Labs will cover material in this course.

### Texts (reference)

- Part 1 Electronic Systems - "Circuits, Devices and Systems", 5th ed.,SMITH and DORF, Wiley. Part II chapters 2, 9, 11-14

### Syllabus

**Part 1: Electronic Systems
**
- All chapter references are to this textbook.
- Approximate number of lectures, and cumulative number Ó, are given in brackets.

**1. Review (1-2 lecs, Ó = 1-2) (Chapters 2, 9):**

2nd yr review on linearity and sinusoids. Complex impedance Z, transfer function and frequency response H(jù), phasors. Linear and non linear, analog and digital systems. Bode plots. Worked examples.

**2. Semiconductor devices (4 lecs, Ó = 5-6) (Chapters 11, 12):
**

Si and Ge structure and bonding, intrinsic and extrinsic conduction. The p n junction, contact potential, p-n diode equation.

BJT fabrication and active mode operation, á and â current gains, CE (Common Emitter) amp, load line. MOSFETs NMOSFET fabrication, EN and DE FETs, use as a switch.

**3. Digital electronics (6-7 lecs, Ó = 12) (Chapters 13, 14):
**

(a) Combinational Logic - levels, AND, OR, etc., gates & truth tables. Boolean algebra,

De Morgan's theorem and function simplification. Number bases, binary numbers, bits and binary arithmetic, 2's complement, half and full adders. Practical fabrication of logic gates. DTL, TTL logic gates and circuits, fan out and fan in. Tri state logic. ECL (Emitter Coupled Logic). CMOS gates and circuits.

(b) Sequential (clocked) logic - the RS Flip Flop. D FF or latch, JK FF, clocking, 74112 JK FF. Storage and shift registers, ripple counter, 74163 synchronous binary counter. ROM and RAM, memory cells, address decoding. SRAM, DRAM, ROM, PROM, EPROM, EEPROM and FLASH memory. Decoders, encoders, MUX/DEMUX, data selectors and distributors. Use of 74xx151 as logic function generator.

### Lecturers

Dr. Ray Butler

Office: 148 (Physics, downstairs)

Phone: ext. 3788

Email:
ray.butler.nuigalway.ie