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EEVblog 1746 – Schottky vs PN Diodes & Measurement Traps

EPISODE · May 9, 2026

EEVblog 1746 – Schottky vs PN Diodes & Measurement Traps

from EEVblog · host David L. Jones

Demonstrating the difference between Schottky diodes and PN junction silicon diodes, and how your multimeter can influence your measurement when troubleshooting. Answering an interesting Twitter question. https://x.com/blind_via/status/2052223991839170919 https://www.tti.com/content/ttiinc/en/resources/blog/infographics/schottky-diodes.html https://engineering.purdue.edu/~ee606/downloads/ECE606_f12_Lecture17.pdf Forum: https://www.eevblog.com/forum/blog/eevblog-1746-schottky-vs-pn-diodes-measurement-traps/ 00:00 – Twitter question 01:21 – Recreating the problem 03:08 – Why doesn’t it read zero volts? Let’s try a PN junction diode 04:21 …

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EEVblog 1746 – Schottky vs PN Diodes & Measurement Traps

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