July 2021 Updates
Updates This Month
- A new page on Gas Discharge Tubes (GDTs), with schematic symbols, designators and examples.
 
- Added a new example of a noisy waveform to the Electrical Noise page.
 
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Added a new page (in notes format) on Spark Gaps.
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Added info on transient surge waveform specification, including a graph illustration the concept behind 8/20us and similar specifications:
 
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Moved Zener diode info into it’s own page.
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Cleaned up many of the schematic symbols on this site for a consistent look and feel.
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Added a diagram showing the protection diodes common to most digital CMOS pins.