Are solar powered electric cars viable? Let’s look at the Lightyear Zero solar powered electric car and examine the claims. Can you get a useless extended range by adding solar panels to an electric car? Dave just so happens to drive a solar powered electric car, so let’s find out! …
Read More »EEVblog 1479 – Is Your Calculator WRONG?
Is your calculator WRONG? It could be! Looking at the issue of implied multiplication and how it can affect your calculations. Why do some Casio and TI calculators give a different result to others? And why do they differ from your phone calculator, google calculator, or Wolfram Alpha? How Order …
Read More »EEVblog 1478 – Waveform Update Rate Shootout – Tek 2 Series vs Others
Testing the new Tektronix 2 series waveform update rate vs older Keysight, Siglent, and Rigol scopes, and a glitch signal demonstration on how it matters in the real world. And also how to measure the waveform update rate on your scope. This is not a review, and was going to …
Read More »EEVblog 1477 – WORLD EXCLUSIVE TEARDOWN! – Tektronix 2 Series Oscilloscope
A world exclusive teardown of the new generation Tektronix 2 Series MSO bench/portable oscilloscope! An innovative new design form factor you’re either going to love or hate! This is the upgrade to the 15yo MSO/DPO 2000B series to give a low end on the next generation 2/3/4/5/6 series. Youtube: Odysee: …
Read More »EEVblog 1476 – Keithley 515A Wheatstone Bridge TEARDOWN & TUTORIAL
Teardown of the Keithley 515A Megohm Wheatstone bridge, plus a tutorial on how Wheatsone bridges work and their applications. Manual & Schematic: https://download.tek.com/manual/515A(Model515A).pdf 1960’s Daven precision resistor and attenuator catalog: http://www.technicalaudio.com/pdf/Daven/Daven_attenuator_switch_lab_Catalog.pdf 00:00 Keithley 515A Megohm Wheatstone bridge 03:50 – The Magic smoke test 04:00 – Zero check test 04:40 – …
Read More »EEVblog 1475 – What’s This SMD Part?
Answering another viewer question. Can we identify or find an alternative for this SMD part? https://twitter.com/PoiSolutionsLLC/status/1529065036433571840 Forum: https://www.eevblog.com/forum/blog/eevblog-1475-smd-part-indentification-substitution-search/ Youtube: Odysee: Podcast: Download
Read More »EEVblog 1474 – Can You Measure Capacitors IN Circuit?
Can you measure capacitors in-circuit with an LCR meter? Forum: https://www.eevblog.com/forum/blog/eevblog-1473-how-your-lcr-meter-works/ Youtube: Odysee: Podcast: Download
Read More »EEVblog 1473 – How Your LCR Meter Works
How an LCR meter works. Forum: https://www.eevblog.com/forum/blog/eevblog-1473-how-your-lcr-meter-works/ Youtube: Odysee: Utreon: Podcast: Download
Read More »EEVblog 1472 – Resistor Cube Problem SOLVED
How to solve the resistor cube problem using equipotential nodes, short and open techniques, and circuit simplification. Twitter: https://twitter.com/engineers_feed/status/1519561534787051521 Forum: https://www.eevblog.com/forum/blog/eevblog-1472-resistor-cube-problem-solved/ 00:00 – The Resistor Cube problem 04:28 – The SECRET to circuit simplification using equipotential nodes 06:04 – Analysis “by inspection” 14:22 – Summary of the solution 16:14 – …
Read More »EEVblog 1471 – Mailbag
What’s in the Mailbag? SPOILER: 00:00 – Mailbag 00:41 – Laser etched Delorean Time Machine https://momentsetchedintime.com.au/ 03:29 – Encryption Class C wall mount rack cabinet 05:30 – Russian multimeter with a most UNUSUAL range switch! 08:44 – Smell’o’vision 11:51 – Bob Widlar PCB plaque 15:16 – How to get 5 …
Read More »EEVblog 1470 – AC Basics Tutorial Part 3 – Complex Numbers are EASY
Complex numbers are NOT complex! How complex numbers are used in AC circuit analysis. 00:00 – Complex Numbers 00:44 – Phasor graphical addition 01:22 – Why do calculators have the R-P and P-R buttons? 02:44 – Phasor diagram 03:59 – The AC voltage equation 04:47 – The complex plane and …
Read More »EEVblog 1469 – AC Basics Tutorial – Part 2 – Phasors
Part 2 of the AC Basics tutorial series. What are phasors and doing phasor addition. In-phase, out of phase, and leading and lagging waveforms. Phi vs Theta phase angle. Leading into complex numbers in Part 3. 00:00 – AC Basics Theory 00:40 – How an AC waveform is produced 01:37 …
Read More »EEVblog 1468 – Electronex Show Tour 2022
A walk around the 2022 Electronex show in Sydney. 00:00 – Electronex 2022 01:13 – Phoenix Contact 01:38 – Tektronix 03:14 – Siglent 04:37 – John South at Emona + New Rigol StationMax Oscilloscope 07:38 – Harbuch Electronix isolation transformers 09:38 – Mantis remote 3D viewing microscope 12:05 – SMCBA …
Read More »EEVblog 1467 – Stanford Solar Power at Nightime! BUSTED
Stanford University researchers have made a solar panel that works at nighttime! It will reduce or eliminate the need for battery storage! TAKE THAT Big Oil! You can probably guess how it works… Let’s BUST this impractical boondoggle wide open. The research paper: https://aip.scitation.org/doi/pdf/10.1063/5.0085205 Forum: https://www.eevblog.com/forum/blog/eevblog-1466-stanford-solar-power-at-nightime-busted/ 00:00 – Pulitzer prize …
Read More »EEVblog 1466 – Dumpster Dive Xeon Server
It’s been a while since the dumpster has delivered a computer. Today we get a HP Proliant ML350p Gen8 xeon server. Does it work? Forum: https://www.eevblog.com/forum/blog/eevblog-1466-dumpster-dive-xeon-server/ Youtube: Odysee: Utreon: Podcast: Download
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