13) Impact may cause the inductance of ferrite cores to change. Care should also be taken to isolate it from vibration when transporting and storing it. The symbols used in schematic diagrams are according to standards which are defined at the National and International level by professional organizations such as, Institute of Electrical and Electronics Engineers (IEEE), the International Electrotechnical Commission (IEC), and the American National Standards Institute (ANSI).įollowing are some of the common standards for electronic symbols. 12) The ferrite core should be kept away from rapid temperature changes, corrosive gases, dust, and humidity. This diagram is drawn based on widely-accepted rules and symbols. The electronic components and conductive paths are based on a map, the schematic diagram. Part 1: How to Read Circuit Boards - Standards for Electronic SymbolsĪ printed circuit board is a bunch of electronic components interconnected via conductive paths printed on a baseboard. From Reading Circuit Boards to PCB Manufacturing.Reading Schematics - Common Active Components.Reading Schematics - Passive Components. Accordingly, using a common mode choke coil provides larger impedance against common mode current and is more effective for common mode noise suppression than using several normal inductors. Where to Start Reading Circuit Boards - Power Source Since magnetic flux flows inside the ferrite core, common mode choke coils work as an inductor against common mode current.How to Read Circuit Boards - Standards for Electronic Symbols.
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