Electrical Symbols — Composite Assemblies
Electronic components have two or more electrical terminals (or leads) aside from antennas which may only have one terminal. These leads connect to create an electronic circuit with a particular function (for example an amplifier, radio receiver, or oscillator). Basic electronic components may be packaged discretely, as arrays or networks of like components, or integrated inside of packages such as semiconductor integrated circuits, hybrid integrated circuits, or thick film devices.

Pic. 1. Composite Assemblies Library
ConceptDraw DIAGRAM is a powerful software for creating professional looking electrical diagram quick and easy. For this purpose you can use the Electrical Engineering solution from the "Engineering" area of ConceptDraw Solution Park.
Electrical Engineering Solution for ConceptDraw DIAGRAM provides the stencils libraries of ready-to-use predesigned 926 vector symbols, templates and samples that make your electrical drawing quick, easy and effective.
26 libraries of the Electrical Engineering Solution of ConceptDraw DIAGRAM make your electrical diagramming simple, efficient, and effective. You can simply and quickly drop the ready-to-use objects from libraries into your document to create the electrical diagram.

Pic. 2. Electrical Engineering symbols
Electrical diagram software will assist you in drawing your electrical diagrams with minimal effort and makes it very easy for beginners.
Electrical symbols and smart connectors help present your electrical drawings, electrical schematic, wiring diagrams and blue prints.
Pic. 3. Electrical Symbols — Composite Assemblies
Most of the electrical symbols can be changed in their appearance, styles and colors according to users' requirements. Electrical symbols are used to represent various electrical and electronic devices in a schematic diagram of an electrical or electronic circuit.
The following table lists some сomposite assemblies electrical symbols in our electrical diagram software.
| Symbol |
Meaning |
| Electrical Symbols — Composite Assemblies |
 | 1-way repeater, 1 line |
 | 1-way repeater, 2 lines |
 | 2-way repeater, 1 line |
 | 2-way repeater, 2 lines |
 | 2-way repeater, 4-wire, 1 line |
 | 2-way repeater, 4-wire, 4 lines |
 | 2-way repeater, bypass, 1 line |
 | 2-way repeater, bypass, 2 lines |
 | Amplifier, 1 line |
 | Amplifier, 2 inputs |
 | Amplifier, 2 lines |
 | Amplifier external DC control |
 | Amplifier with bypass |
 | Bridge rectifier |
 | Chopper |
 | Controlled rectifier |
 | Converter, general |
 | DC converter |
 | Demodulator |
 | Fire ext. actuator head |
 | Fire ext. double head |
 | Gyro |
 | Phase shifter, general (Gyro) |
 | Heat source, combustion |
 | Heat source, general |
 | Heat source, radioisotope |
 | Inverter |
 | Magnetic amplifier, 1 line |
 | Magnetic amplifier, 2 inputs |
 | Magnetic amplifier, 2 lines |
 | Negative impedance both-way amplifier |
 | Network low voltage |
 | Phase shifter, 3-wire |
 | Phase shifter, general |
 | Position indicator inductor |
 | Position indicator synchro |
 | Position transmitter Desynn type |
 | Position transmitter inductor type |
 | Proximity sensor |
 | Rectifier |
 | Rectifier |
 | Rectifier bridge |
 | Rectifier/inverter |
 | Touch sensor |
An amplifier, electronic amplifier or (informally) amp is an electronic component that can increase the power of a signal. An amplifier functions by taking power from a power supply and controlling the output to match the input signal shape but with a larger amplitude.
How to Create an Electrical Diagram Using Composite Assemblies Library
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