- 224 pages
- English
- ePUB (mobile friendly)
- Available on iOS & Android
eBook - ePub
About this book
Electronics Theory and Practice introduces the key areas of analog electronics through practicals, worked examples and concise explanations. The author is a senior lecturer at De Montfort University and his approach is a proven way of teaching the essentials of electronics to groups with a variety of academic backgrounds.
This is an ideal text for first year modules and HNC/D units - comprehensive, concise and affordable.
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Yes, you can access Electronics by Gerardo Mesias in PDF and/or ePUB format, as well as other popular books in Technology & Engineering & Civil Engineering. We have over one million books available in our catalogue for you to explore.
Information
1
Fundamental theorems
Ohm’s law
Ohm’s law is given by
V = IR
The voltage in a passive element is given by the product of the current multiplied by the resistance.
We can also easily deduce that:
Some people prefer to use the magic triangle. This is of unknown origin, but is apparently widely used in secondary education. The magic triangle can be seen in Figure 1.1. In order to find V in the triangle, you cover V and you are left with IR. If you want to select another value, you cover the one you want and get the answer in the uncovered part.
Figure 1.1
There are two points that need to be made at this stage, about Ohm’s law. First, in Ohm’s law the three elements of the formula, V, I and R must be related, i.e., the current must be going through the resistor and the voltage will appear as a consequence of that current across the resistor. Remember that the voltage refers to the difference in voltage between two points. If a point is said to have 12 V, we imply that there are 12 V from that point to a reference point. The reference point is usually ground, at 0 V. If the reference point is other than ground, the value is clearly stated.
Secondly, it is important to realise from the very beginning, that the voltage...
Table of contents
- Cover
- Halftitle
- Title
- Copyright
- Contents
- Preface
- Dedication
- 1. Fundamental theorems
- 2. Biasing
- 3. Load lines
- 4. Transistor modelling
- 5. Current gain
- 6. Voltage gain
- 7. Cascaded systems
- 8. Bode plots
- 9. Effect of capacitors
- 10. High frequency
- 11. Operational amplifiers: general
- 12. Operational amplifiers: applications
- 13. Operational amplifiers: oscillators
- 14. Bandwidth gain considerations
- Index