Digital Electronics Portfolio Web view electronic component that can be used to store an electric...

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Transcript of Digital Electronics Portfolio Web view electronic component that can be used to store an electric...

1.1.4 Component Identification-Analog

Resistors

· electronic component that resists the flow of electrical current

· typically used to control the amount of current that is flowing in a circuit

· measured in Ohms (Ω)

· named after George Ohms, whose law (Ohm’s Law) defines the relationship between voltage, current, and resistance

Resistor Types

Determining a Resistor’s Value

· Color Code

· resistors are labeled with color bands that specify the resistor’s nominal (face) value

· Measured Value

· digital multimeter can be used to measure the resistor’s actual resistance value

How to Read a Resistor’s Value

Capacitors

· electronic component that can be used to store an electric charge

· often used in electronic circuits as temporary energy-storage devices

· capacitance is measured in units of farads (F)

· named after Michael Faraday (British chemist who contributed significantly to the study of electromagnetism)

Capacitor Types

How to Read a Capacitor’s Value

· Electrolytic Capacitors

· directly labeled on capacitor

· Disk Capacitors

· Note: units on disc capacitors are always in pico-farads

Common Electronic Components

1) Seven Segment Display

2) Light Emitting Diodes (LED)

1) Fuses

2) Diodes

3) Voltage Regulator