AND Gate

The AND gate is a basic digital logic gate that implements logical conjunction - it behaves according to the truth table down below.

Attenuator, Fixed

1. device for reducing signal strength: a device for reducing the strength of a wave, especially an electrical signal

Battery

Power source; Voltage

Capacitor, Feedthrough

1. electrical storage component: an electrical component, used to store a charge temporarily, consisting of two conducting surfaces separated by a nonconductor dielectric

Cathode, Cold

1. cathode producing electrons by high voltage: a cathode in an electron tube from which electron emission is produced at normal temperatures by a high voltage gradient

Cavity Resonator

1. enclosure holding oscillating electromagnetic field: an enclosure with a conducting interior surface within which an oscillating electromagnetic field can be maintained. It has applications in high-frequency devices.

Cell

a device which produces electricity through chemical reactions, commonly referred to as a battery

Circuit Breaker

1. safety shut-off in electric circuit: a device that can automatically stop the flow of electricity in a circuit if there is too much current to operate safely

Coaxial Cable

1. high-speed transmission cable: a cable consisting of an inner core and an outer flexible braided tube, both of conductive material separated by an insulator, used to transmit high-frequency signals at high speeds

Crystal, Piezoelectric 

1. crystal generating voltage when mechanically deformed: a crystal in which opposite surfaces become oppositely electrically charged when the crystal experiences mechanical deformation

Delay Line

component causing delay in transmission: a device designed to cause a delay in transmitting an electronic signal

Diode, General

1. electronic current converter: an electronic device that has two electrodes and is used to convert alternating current to direct current

Diode, Gunn

A Gunn diode, also known as a transferred electron device (TED), is a form of diode, a semiconductor electronic component, used in high-frequency electronics.

Diode, Photosensitive

Diode, Varactor

Directional Coupler

A passive device used in cable systems to divide and combine radio frequency signals.

OR Gate

The OR gate is a digital logic gate that implements logical disjunction - it behaves according to the truth table down below.

Ferrite Bead

Any of a group of nonmetallic, ceramiclike, usually ferromagnetic compounds of ferric oxide with other oxides, especially such a compound characterized by extremely high electrical resistivity and used in computer memory elements, permanent magnets, and various solid-state devices.

Fuse

1. electrical circuit breaker: an electrical safety device containing a piece of a metal that melts if the current running through it exceeds a particular level, thereby breaking the circuit

Galvanometer

1. instrument to measure electric current: an instrument used to detect or measure the strength and direction of small electric currents by means of a coil in a magnetic field that moves a pointer or light

Groud, Chassis

Inductor, Air-Core

An inductor is an electrical component used to store the energy resulting from current passing through it in a magnetic field.

Air core inductors use either non-magnetic coils or no coil at all instead of a ferromagnetic coil. The use of an air core ensures a lower peak inductance, but also reduces the energy losses associated with ferrite inductors. The lack of core losses allows air core inductors to be operated at high frequencies.

Inductor, Bifilar

A bifilar coil is an electromagnetic coil that contains two closely spaced, parallel windings. In engineering, the word bifilar describes wire which is made of two filaments or strands. It is commonly used to denote special types of winding wire for transformers.

Inductor, Iron-Core

The schematic symbol for an iron-core transformer is a pair of parallel inductors separated by a pair of solid lines

Inductor, Tapped

 a connection made at some point between the end terminals of an inductor, resistor, or some other component

Inductor, Variable

Intergrated Circuit

1. tiny electronic circuit: a tiny complex of electronic components contained on a thin chip or wafer of semiconducting material

Inverter

1. device converting current: a device that changes direct current into alternating current and is commonly used on boats to operate devices such as radios from batteries

Jack, Coaxial

Lamp, Incandescent

1. lamp with heated filament: an electric lamp that produces light from an electrically heated filament

NAND gate

 a logic gate which produces an output that is false only if all its inputs are true.

Negative Voltage Connection

NOR gate

The NOR gate is a digital logic gate that implements logical NOR - it behaves according to the truth table down below.

Potentiometer

A potentiometer, informally a pot, is a three-terminal resistor with a sliding contact that forms an adjustable voltage divider.

Probe, Radio-Frequency

Rectifier, Semiconductor

A power semiconductor device is usually used in "commutation mode" (i.e., it is either on or off), and therefore has a design optimized for such usage; it should usually not be used in linear operation.

Rectifier, Silicon-Controlled

A silicon-controlled rectifier (or semiconductor-controlled rectifier) is a four-layer solid state current controlling device. The name "silicon controlled rectifier" is General Electric's trade name for a type of thyristor.

Rectifier, Tube-Type

Relay, DPDT

Double Pole, Double throw relay device.

A relay is an electrically operated switch. Many relays use an electromagnet to operate a switching mechanism mechanically, but other operating principles are also used. Relays are used where it is necessary to control a circuit by a low-power signal (with complete electrical isolation between control and controlled circuits), or where several circuits must be controlled by one signal.

Relay, DPST

Double pole, Single throw Relay

Resistor

1. component controlling flow of electricity: a component of an electrical circuit that has resistance and is used to control the flow of electric current

Relay, SPDT

Single Pole, Double throw

Relay, SPST

Single Pole, Single throw relay

Resonator

A resonator is a device or system that exhibits resonance or resonant behavior, that is, it naturally oscillates at some frequencies, called its resonant frequencies, with greater amplitude than at others. The oscillations in a resonator can be either electromagnetic or mechanical (including acoustic). Resonators are used to either generate waves of specific frequencies or to select specific frequencies from a signal.

Rheostat

1. adjustable resistor: a resistor designed to allow variation in resistance without breaking the electrical circuit of which it is a part

Saturable Reactor

Sheilding

 the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials.

Signal Generator

1. device testing electronic equipment: a device used to test electronic equipment by generating a signal whose frequency, wave shape, and amplitude are independently adjustable over a wide range of settings

Switch, DPDT

Double Pole, Double Throw

Switch, DPST

Double Pole, Single Throw

Switch, Momentary-Contact or Push Button N.O.

A momentary switch is a unit capable of turning any electronic device to either an on or off state when an end-user presses the switch. This type of switch can actually represent one of two types with the alternative being the traditional on or off switch. They can be found in all manner of electronic devices and usually take the form of a button to help initiate the state change in a device. The two types of momentary switch commonly used throughout industry are push-to-break and push-to-make types.

Switch, Rotary

A rotary switch is a switch operated by rotation. These are often chosen when more than 2 positions are needed, such as a three-speed fan or a CB radio with multiple frequencies of reception or "channels".

Switch, SPDT

Single Pole, Double throw

Switch, SPST

Single Pole, Single throw

Terminals, General, Balanced

Terminals, General, Unbalanced

Thermocouple

1. temperature-measuring device: a device for measuring temperature in which two wires of different metals are joined. The potential difference between the wires is a measure of the temperature of something they touch.

Thyristor

1. semiconductor with two switches: a semiconductor device that has two stable switches used for conductive and nonconductive modes

Transformer, Air-Core

Transformer:

1. device for changing electrical energy: a device that transfers electrical energy from one alternating circuit to another with a change in voltage, current, phase, or impedance
2. somebody or something that transforms: somebody or something that effects a transformation

Transformer, Iron-Core

Transistor, Bipolar, npn

An NPN transistor is the most common type of bipolar junction transistor, or BJT for short. BJTs are often referred to simply as transistors, and come in two main types: the NPN and the PNP. The "N" represents a negatively charged layer of material and the "P" represents a positively charged layer. NPN transistors have a positive layer located in-between two negative layers. Transistors are typically used in circuits for amplifying or switching electrical signals that pass through them.

Transistor, Bipolar, PNP

Transistor, Positive-Negative-Positive

Transistor, Feild-Effect, N-Channel

(negative channel)

The field-effect transistor (FET) is a transistor that uses an electric field to control the shape and hence the conductivity of a channel of one type of charge carrier in a semiconductor material. FETs are unipolar transistors as they involve single-carrier-type operation. The concept of the FET predates the bipolar junction transistor (BJT), though it was not physically implemented until after BJTs due to the limitations of semiconductor materials and the relative ease of manufacturing BJTs compared to FETs at the time.

Transistor, Field-Effect, P-Channel

(Positive Channel)

Transistor, Metal-Oxide, Dual-Gate

[image]

The metal–oxide–semiconductor field-effect transistor (MOSFET, MOS-FET, or MOS FET) is a transistor used for amplifying or switching electronic signals. Although the MOSFET is a four-terminal device with source (S), gate (G), drain (D), and body (B) terminals,^[the body (or substrate) of the MOSFET often is connected to the source terminal, making it a three-terminal device like other field-effect transistors. Because these two terminals are normally connected to each other (short-circuited) internally, only three terminals appear in electrical diagrams. The MOSFET is by far the most common transistor in both digital and analog circuits, though the bipolar junction transistor was at one time much more common.

Transistor, Unijunction

A unijunction transistor (UJT) is an electronic semiconductor device that has only one junction. The UJT has three terminals: an emitter (E) and two bases (B1 and B2). The base is formed by lightly doped n-type bar of silicon. Two ohmic contacts B1 and B2 are attached at its ends. The emitter is of p-type and it is heavily doped. The resistance between B1 and B2 when the emitter is open-circuit is called interbase resistance.

Tube, Diode

An Electron Tubehaving two main elements: Cathode and Anode. 2. An electron device having two active elements.

Tube, Pentode

A pentode is an electronic device having five active electrodes. The term most commonly applies to a three-grid amplifying vacuum tube (thermionic valve), which was invented by the Dutchman Bernhard D.H. Tellegen in 1926. The pentode consists of an evacuated glass envelope containing five electrodes in this order: a cathode heated by a filament, a control grid, a screen grid, a suppressor grid, and a plate (anode).

Tube, Tetrode

A vacuum tube with a cathode, an anode, a control grid, and an additional grid or other electrode

Tube, Triode

Unspecified Component

Voltmeter

1. instrument that measures voltage: an instrument calibrated in volts that measures the electromotive force or potential difference between two points in a circuit

Wattmeter

1. instrument measuring electrical power: an instrument designed to measure the magnitude of the power in an electric circuit. It may be scaled in watts, kilowatts, or megawatts.