PCB Design Glossary
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Passive components cannot provide power gain in a circuit. Examples include resistor, capacitors, inductors.
A pin is a metallic component connector that is soldered to a pad.
PTH stands for Plated Through-Hole. This is a hole that is drilled through all layers of a PCB and then plated with copper.
Short for Reference Designator. Every component in every schematic and board file needs a unique identifier. These can be any alphanumeric character string, but the convention and best practice is to use a letter to indicate the component type and a number that is incremented with each successive component type.
For example, three resistors on a board would be labeled R1, R2, and R3, even if they had identical values.
These components restrict current flow between two nets in an electrical circuit. The amount of current is proportional to the potential difference between the two nets. Resistors are passive components.
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Royal Circuit Solutions and Royal Flex Circuits are companies in California that specialize in small-batch, prototype, and custom printed circuit boards. Royal Circuit Solutions is the principal sponsor of this course.
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A schematic is a pictorial representation of circuit components and their connections. Symbols used in a schematic can vary depending on the convention used and a designers preferences.
Serial Clock Line is the synchronous timing line on the I2C data bus.
Serial Data is the data transmission part of the I²C data bus.