You can use almost any decent modern multimeter to safely discharge high voltage capacitor banks WITHOUT a LowZ function. Forum: https://www.eevblog.com/forum/blog/eevblog-1655-multimeter-tip-discharge-capacitors-using-any-meter/ Transistor Zener Clamp video: https://www.youtube.com/watch?v=BGcKjy_UNQ4 Podcast: Download
Read More »EEVblog 1614 – Circuit Design TIP: Crystal Oscillators
You can easily replace any chip crystal circuit with a dedicated external crystal oscillator. Reducing your BOM count, and making your design easier, smaller, and potentially more robust. Cyber City Circuits: https://www.youtube.com/@cybercitycircuits https://twitter.com/MakeAugusta/status/1788651197055827992 Forum: https://www.eevblog.com/forum/blog/eevblog-1614-circuit-design-tip-crystal-oscillators/ Podcast (podcast2): Download
Read More »EEVblog 1611 – Top 5 Jellybean 7400 & 4000 Logic
The TOP 5 Jellybean 7440 and 4000 series logic chips. Forum: https://www.eevblog.com/forum/blog/eevblog-1611-top-5-jellybean-7400-4000-logic/ Schmitt Trigger video: https://www.youtube.com/watch?v=Ht48vv0rQYk 00:00 – Top 5 TTL and CMOS Jellybean chips 00:37 – Different 7400 series family types 01:52 – What makes a Jellybean component 3:27 – CD4051 / CD4052 / CD4053 Analog Multiplexer Switch 17:42 …
Read More »EEVblog 1464 – TOP 5 Jellybean Comparators
The TOP 5 Jellybean comparators, plus a bonus and special snowflake choice. 00:00 – Jellybean Comparators 01:20 – Traps for young players using Opamps as comparators 04:43 – Is the old School LM311 still THE jellybean? https://www.ti.com/lit/ds/symlink/lm311-n.pdf 11:17 – TS391 Small single comparator https://www.mouser.com/datasheet/2/389/cd00001660-1795546.pdf 16:33 – LM393/LM2903 Dual comparator https://www.ti.com/lit/ds/symlink/lm393a.pdf …
Read More »EEVblog #1167 – Let’s Talk About Patents
A quick chat about Innovation Patents vs Invention Patents for another video quickly turned into 30 minutes of general talk about patents, the patent system, patent applications, patent attorneys, over-unity free-energy quackery, the claims and examination process and a host of other stuff, with patent attorney Dr Phil Burns. Forum …
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