Sun Coast Amateur
Radio Club Society

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 **Under Construction**: VA7FI is editing this section, please do not edit it until this notice is taken down.
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====== Electronics ======

In this section we'll discuss the three basic electronic components:

^Name          ^Property    ^Unit      ^  Symbol    ^  Picture                  ^Source  |
|Resistor (R)  |Resistance  |Ohm (Ω)   |  {{r.png}}  |  {{resistors.jpeg?100|}}  |[[wp>Resistor]] |
|Inductor (L)  |Inductance  |Henry (H) |  {{l.png}}  |  {{inductors.png}}        |[[wp>Inductor]] |
|Capacitor (C) |Capacitance |Farad (F) |  {{c.png}}  |  {{capacitors.jpeg?100}}  |[[wp>Capacitor]] |

===== Resistor =====
The easiest component to start with is the resistor.

Resistors have many usage:
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<<In electronic circuits, resistors are used to reduce current flow, adjust signal levels, divide voltages, bias active elements, and terminate transmission lines, among other uses. High-power resistors that can dissipate many watts of electrical power as heat [...] or as test loads for generators. Fixed resistors have resistances that only change slightly with temperature, time or operating voltage. Variable resistors can be used to adjust circuit elements (such as a volume control or a lamp dimmer), or as sensing devices for heat, light, humidity, force, or chemical activity.>> [[wp>Resistor |Wikipedia: Resistor]]
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===== RLC Impedance =====
{{  lc_graphs.png?250}}
^Impedance (Ω)                                        ^Low Frequency ^ Medium Frequency ^ High Frequency |
|Resistance, R                                        |  Doesn't depend on frequency             |||
|Inductive Reactance \\ <fc #008000>\$X_L = 2\pi f L\$</fc>            |  Low         |  Medium          |  High  |
|Capacitive Reactance \\ <fc #960018>\$X_C = \frac{1}{2\pi f C}\$</fc> |  High        |  Medium          |  Low  |


===== RLC Addition =====
|< 100% >|
^                          ^   Series                  ^  Parallel  |
|\\ \\ \\ Resistor, R [Ω]  |  \\ {{r_series.png}}   |  {{r_parallel.png}}  |
| :::                      |  \$R = R_1 + R_2\$        |  \$\frac{1}{R} = \frac{1}{R_1} + \frac{1}{R_2}\$  |
|\\ \\ \\ Inductor, L [H]  |  \\  {{l_series.png}}  |  {{l_parallel.png}}  |
| :::                      |  \$L = L_1 + L_2\$        |  \$\frac{1}{L} = \frac{1}{L_1} + \frac{1}{L_2}\$  |
|\\ \\ \\ Capacitor, C [F] |  \\ {{c_series.png}}   |  {{c_parallel.png}}   |
| :::                      |  \$\frac{1}{C} =\frac{1}{C_1} + \frac{1}{C_2}\$  |  \$C = C_1 + C_2\$  |


====== Questions ======

[[practice |{{/back.png }}]] [[electronics|{{  /next.png}}]]