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EEVblog #1328 – uCurrent OPA189 Measurements

Part 3 of designing a better uCurrent series. Measuring the noise and consumption of the OPA189 compared to the MAX4239 using a dynamic signal analyser and an oscilloscope. Forum: https://www.eevblog.com/forum/blog/eevblog-1328-ucurrent-op189-measurements/ Podcast: Download

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EEVblog #1327 – 3 Ways to FAIL at PCB Manufacture

Three ways to get your PCB design rejected by your PCB manufacturer. 1) Imperial/Metric conversion 2) Unexpected Trace/Space specifications 3) Goofing the Gerber resolution. Forum: https://www.eevblog.com/forum/blog/eevblog-1327-3-ways-to-fail-at-pcb-manufacture/ Podcast: Download

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EEVblog #1326 – How Engineering Minds Think Alike

Two almost identical complex designs published at almost the same time? How does that happen? Let’s go back to 1996 and see how similar Dave’s PC Logic Analyser design is to one published in Elektor Electronics magazine. Forum: https://www.eevblog.com/forum/blog/eevblog-1326-how-engineering-minds-think-alike/ Podcast: Download

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EEVblog #1325 – OPAMP Shootout – Datasheet Deep Dive

Part 2 in designing a better uCurrent. A datasheet shootout between the Maxim MAX4239 and the TI OPA189 A deeper dive into the datasheet specs from the previous video, looking at gain bandwidth product, noise, supply current and voltages, offset voltages histograms, input bias currents, recovery and settling time, and …

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EEVblog #1323 – PCB Layout Review & Analysis

Dave analyses a PCB layout from the EEVblog forum and covers all sorts of tips for SMD layout, component placement, routing, layer stackup, controlled impedance traces, supply planes and power bypassing. Original forum thread: https://www.eevblog.com/forum/beginners/first-4-layer-pcb-traces-on-each-layer-a-good-idea/ Forum: https://www.eevblog.com/forum/blog/eevblog-1323-pcb-layout-review-analysis/ Podcast: Download

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EEVblog #1322 – JBL LSR308 Studio Monitor Speaker REPAIR

Repairing a JBL LSR308 studio monitor speaker. Digital troubleshooting in a speaker? Yep, that’s a thing! How to systematically track down a fault and *know* that part has failed. Forum: https://www.eevblog.com/forum/blog/eevblog-1322-jbl-lsr308-studio-monitor-speaker-repair/ Podcast: Download

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EEVblog #1321 – SunPlower – DUMBEST IDEA Since Solar Roadways!

The SunPlower is supposed to be able to power mobile phone towers, propel boats and submarines, and fly you around in an Air-Taxi! Let’s turn flat solar panels into wind turbine blades! The laws of physics and engineering might have a lot to say about that… Subscribe on Library: https://lbry.tv/@eevblog:7 …

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EEVblog #1320 – Premature Oscilloscope Triggering

Don’t be caught out by embarrassing premature triggering! Dave demonstrates how and why your oscilloscope may trigger before it’s supposed to, and how to solve it. Forum: https://www.eevblog.com/forum/blog/eevblog-1320-premature-oscilloscope-triggering/ Podcast: Download

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EEVblog #1319 – NEW TS80P Portable USB PD Soldering Iron Review

The TS80P is the upgrade to the TS80, Dave’s previous favorite portable soldering iron. But with added USB-PD and 30W vs 18W. Various Aliexpress stores: https://s.click.aliexpress.com/e/_BfZODpxj https://s.click.aliexpress.com/e/_dUG2CxP TC66 USB-C PD Power Monitor/Logger: https://s.click.aliexpress.com/e/_Bf8wne37 Forum: https://www.eevblog.com/forum/blog/eevblog-1319-new-ts80p-portable-usb-pd-soldering-iron-review/ Podcast: Download

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eevBLAB #76 – HUGE Youtube Ad Changes will impact YOU!

Youtube is about to make a HUGE change to mid-roll ads on every video on every channel. All creators are about to be opted-in to mid-roll ads for new AND existing content. You are about to be bombarded with ads! This also potentially impacts the revenue and discover-ability of creators. …

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