Electronic Circuitry•Resistors•Capacitors•Transistors•Light Emitting Diodes (LED)•Potentiometers•Silicon Controlled Rectifiers (SCR)
passive two-terminal electrical component that implements electrical resistance as a circuit element
help control current flow in a circuit. protect electronics from circuit overload or
destruction perform as filters or voltage dividers
Resistors
Color bands indicate strength of resistance (ohms)
A capacitor (originally known as condenser) is a passive two-terminal electrical component used to store energy in an electric field
characterized by a single constant value, capacitance, measured in farads
Capacitors
widely used in electronic circuits for blocking direct current while allowing alternating current to pass
Capacitors uses
widely used in electronic circuits for blocking direct current while allowing alternating current to pass
in filter networks, for smoothing the output of power supplies
Capacitors uses
widely used in electronic circuits for blocking direct current while allowing alternating current to pass
in filter networks, for smoothing the output of power supplies
in the resonant circuits that tune radios to particular frequencies
Capacitors uses
• widely used in electronic circuits for blocking direct current while allowing alternating current to pass
• in filter networks, for smoothing the output of power supplies
• in the resonant circuits that tune radios to particular frequencies
Capacitors uses
• in electric power transmission systems for stabilizing voltage and power flow
a semiconductor device used to amplify and switch electronic signals and electrical power
Transistors
a semiconductor device used to amplify and switch electronic signals and electrical power
composed of semiconductor material with at least three terminals for connection to an external circuit
Transistors
a semiconductor device used to amplify and switch electronic signals and electrical power
composed of semiconductor material with at least three terminals for connection to an external circuit
Transistors
•voltage or current applied to one pair of the transistor's terminals changes the current flowing through another pair of terminals
a semiconductor device used to amplify and switch electronic signals and electrical power
composed of semiconductor material with at least three terminals for connection to an external circuit
Transistors
•voltage or current applied to one pair of the transistor's terminals changes the current flowing through another pair of terminals•is the fundamental building block of modern electronic devices
can amplify a signal the vast majority of transistors now are
produced in integrated circuits (often shortened to IC, microchips or simply chips)
Transistor uses
can amplify a signal the vast majority of transistors now are
produced in integrated circuits (often shortened to IC, microchips or simply chips)
essential usefulness of a transistor comes from its ability to use a small signal applied between one pair of its terminals to control a much larger signal at another pair of terminals. This property is called gain
Transistor uses
can amplify a signal the vast majority of transistors now are
produced in integrated circuits (often shortened to IC, microchips or simply chips)
essential usefulness of a transistor comes from its ability to use a small signal applied between one pair of its terminals to control a much larger signal at another pair of terminals. This property is called gain
can be used to turn current on or off in a circuit as an electrically controlled switch
Transistor uses
is a semiconductor light source
LEDs - Light Emitting Diodes
is a semiconductor light source When switched on, electrons are able to
recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence
LEDs - Light Emitting Diodes
is a semiconductor light source When switched on, electrons are able to
recombine with electron holes within the device, releasing energy in the form of photons. This effect is called electroluminescence
advantages over incandescent light sources including lower energy consumption, longer lifetime, improved physical robustness, smaller size, and faster switching
LEDs - Light Emitting Diodes
A potentiometer, informally, a pot, in electronics technology, is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider
Potentiometers
A potentiometer, informally, a pot, in electronics technology, is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider
Potentiometers
• or it can act as a variable resistor or rheostat.
commonly used to control electrical devices such as volume controls on audio equipment.
Potentiometers
commonly used to control electrical devices such as volume controls on audio equipment.
Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick
Potentiometers
is a four-layer solid state current controlling device
Silicon Controlled Rectifiers (SCR)
is a four-layer solid state current controlling device
"silicon controlled rectifier" or SCR is General Electric's trade name for a type of thyristor, which act as bistable switches, conducting when their gate receives a current trigger
Silicon Controlled Rectifiers (SCR)
is a four-layer solid state current controlling device
"silicon controlled rectifier" or SCR is General Electric's trade name for a type of thyristor, which act as bistable switches, conducting when their gate receives a current trigger
used in switching applications - In the normal "off" state, the device restricts current to the leakage current. When the gate-to-cathode voltage exceeds a certain threshold, the device turns "on" and conducts current
Silicon Controlled Rectifiers (SCR)
Now sort your components in your bag into catagories and compare with the parts list in the yellow book to see how you did
List the symbols for them in a circuit diagram in your notebooks
Top Related