A circuit diagram maps out the electrical connections and components of a system without showing their physical layout or scale. It uses universal symbols for resistors, capacitors, transistors, and power sources, connected by solid lines representing wires. Engineers and technicians rely on these schematics to design, simulate, and troubleshoot hardware, ensuring every node and return path is logically correct.
Pull up the circuit diagram for the amplifier stage, I need to see exactly where this bias resistor ties into the ground plane.
Also heard as
- schematic
- wiring diagram
- electronic schematic
Related terms
Layout
The physical arrangement of components and traces on a chip or circuit board.
PCB
A laminated board holding and connecting electronic components using conductive traces.
Node
A continuous connection point in a circuit where two or more components meet.
Breadboard
A reusable platform with a grid of spring-clip holes used for prototyping electronic circuits without soldering.