The Amp Hour
An off-the-cuff radio show and podcast for electronics enthusiasts and professionals. Note: this is the "show only" version of the feed. To see the show notes, check out the main podcast feed: https://theamphour.com/feed/
Direct download: TheAmpHour-673-bitluni-sponsored-Jul15.mp3
Category:general -- posted at: 1:42pm CDT

Direct download: TheAmpHour-672-SiliconRevolutionMattVenn.mp3
Category:general -- posted at: 4:00pm CDT

Direct download: TheAmpHour-671-NDA_Sideshow.mp3
Category:general -- posted at: 8:04pm CDT

Direct download: TheAmpHour-670-EngineeringCareerswithCircuitBreakJamesLewis.mp3
Category:general -- posted at: 8:00am CDT

Direct download: TheAmpHour-669-PetrDvorak.mp3
Category:general -- posted at: 9:52pm CDT

Direct download: TheAmpHour-668-50.0000-ohms.mp3
Category:general -- posted at: 10:29pm CDT

Direct download: TheAmpHour-667-LongDistanceWithCNLohr-a.mp3
Category:general -- posted at: 12:00pm CDT

Direct download: TheAmpHour-666-GoodEnergyCitizen.mp3
Category:general -- posted at: 1:07pm CDT

Direct download: TheAmpHour-665-ReallyLongNeedleNosePliers.mp3
Category:general -- posted at: 9:56pm CDT

Direct download: TheAmpHour-664-SimulatingDoorsFallingOff.mp3
Category:general -- posted at: 10:21pm CDT

Direct download: TheAmpHour-663-CarlBugeja.mp3
Category:general -- posted at: 8:17pm CDT

Direct download: TheAmpHour-662-TheNonStinkyCar.mp3
Category:general -- posted at: 8:13am CDT

Direct download: TheAmpHour-661-PallavAggarwal.mp3
Category:general -- posted at: 10:30pm CDT

Direct download: TheAmpHour-660-MyToothbrushIsBroadcasting.mp3
Category:general -- posted at: 8:45pm CDT

Direct download: TheAmpHour-659-AltiumAcquired.mp3
Category:general -- posted at: 8:27am CDT

Direct download: TheAmpHour-658-UncleAlsEatingGarbageAgain.mp3
Category:general -- posted at: 9:36pm CDT

Direct download: TheAmpHour-657-KeithBurzinski.mp3
Category:general -- posted at: 3:45pm CDT

Direct download: TheAmpHour-656-PneumaticTubesStraightToTheHome.mp3
Category:general -- posted at: 2:37pm CDT

Direct download: TheAmpHour-655-TheTwelfthDayOfKeyzermas.mp3
Category:general -- posted at: 8:54pm CDT

Direct download: TheAmpHour-654-PsuedoCodePseudoGood.mp3
Category:general -- posted at: 10:39pm CDT

Direct download: TheAmpHour-653-BejaminCabeNoseZephyr.mp3
Category:general -- posted at: 11:49am CDT

Direct download: TheAmpHour-652-ForACoupleWeeksThere.mp3
Category:general -- posted at: 9:07am CDT

Direct download: TheAmpHour-651-LearningComputingwithJeffGeerling.mp3
Category:general -- posted at: 8:07pm CDT

Direct download: TheAmpHour-650-AccessibleASICsWithAndreasOlofsson.mp3
Category:general -- posted at: 11:06pm CDT

Kathy Joseph from Kathy Loves Physics joins Dave on The Amp Hour to discuss history and physics and we end up discussing the intricate history of the development of the Cathode Ray Tube.

Read Kathy's Book The Lightning Tamers: https://tinyurl.com/TheLightningTamers

https://www.youtube.com/@UCYrX5FiWjiPd0JytMh6NX1Q

Forum: https://www.eevblog.com/forum/blog/eevblog-1577-history-of-cathode-ray-tubes-with-kathy-joseph/

00:00 - Kathy Loves Physics
02:45 - Philo Farnsworth, the farmboy who invented television
10:00 - Professor Julius Plucker & Heinrich Ruhmkorff
11:13 - Heinrich Geissler and Geissler tubes
14:28 - Johann Wilhelm Hittorf
16:15 - William Crookes and the Crookes Radiometer
20:00 - Heinrich Hertz
25:00 - Scintillating Scotoma
27:00 - Philipp Lenard
31:25 - Wilhelm Rontgen
38:45 - Mihajlo Pupin
44:00 - Francis Perrin
49:10 - Henri Becquerel
55:39 - Curie Piezoelectric Quartz Balance Electrometer
1:07:46 - Philco & Bob Pease
1:08:44 - Vladimir Zworykin
1:15:12 - Free Energy & Debunking

https://en.wikipedia.org/wiki/Philo_Farnsworth

https://en.wikipedia.org/wiki/Julius_Pl%C3%BCcker
https://en.wikipedia.org/wiki/Heinrich_Daniel_Ruhmkorff
https://en.wikipedia.org/wiki/Heinrich_Gei%C3%9Fler
https://en.wikipedia.org/wiki/Johann_Wilhelm_Hittorf
https://en.wikipedia.org/wiki/William_Crookes
https://en.wikipedia.org/wiki/Crookes_radiometer
https://en.wikipedia.org/wiki/Heinrich_Hertz

https://en.wikipedia.org/wiki/Philipp_Lenard

https://en.wikipedia.org/wiki/Francis_Perrin_(physicist)

https://en.wikipedia.org/wiki/Henri_Becquerel

https://en.wikipedia.org/wiki/Vladimir_K._Zworykin

https://en.wikipedia.org/wiki/Mihajlo_Pupin

https://en.wikipedia.org/wiki/Wilhelm_R%C3%B6ntgen

https://en.wikipedia.org/wiki/Philco

Direct download: TheAmpHour-649-KathyJoseph.mp3
Category:general -- posted at: 4:36pm CDT

Direct download: TheAmpHour-648-RP1withRapsberryPiHardware.mp3
Category:general -- posted at: 7:40pm CDT

Dave hangs out with Fran Blanche for her 4th appearance on the show.

Space, Youtubing, tube testing, storage nightmares, and oopsies.

Direct download: TheAmpHour-647-FranBlanche.mp3
Category:Radio Show -- posted at: 12:34am CDT

Direct download: TheAmpHour-646-FanFanboys.mp3
Category:general -- posted at: 8:23am CDT

Direct download: TheAmpHour-645-ScottWilliams.mp3
Category:general -- posted at: 8:14pm CDT

Direct download: TheAmpHour-644-GarbageNinjas.mp3
Category:general -- posted at: 10:26am CDT

Dave and Ian Scott Johnston discuss the PDVS2mini DC Voltage Calibrator Source, production, China, CERN, ebay reselling, test gear, pick and place machines, assembly, automated test systems, and Youtube repair videos.

https://www.youtube.com/@UCtiK8QrcCrsjDXpKzB1PO1A

https://www.ianjohnston.com/

 

Direct download: TheAmpHour-643-IanJohnston.mp3
Category:Radio Show -- posted at: 7:35pm CDT

Direct download: TheAmpHour-642-SadViolinsForSuperconductors.mp3
Category:general -- posted at: 10:08pm CDT

Fellow Aussie Toby Robb joins Dave to discuss everything related to mains power generation and transmission and his role as a linesman.

Ask Toby a question here:
https://www.eevblog.com/forum/amphour/im-linesman-and-electrical-fitter-in-powerline-distribution-in-australia-ama/

Direct download: 641-TobyRobb.mp3
Category:Radio Show -- posted at: 12:50am CDT

Direct download: TheAmpHour-640-WernerJohansson.mp3
Category:general -- posted at: 7:51pm CDT

Direct download: TheAmpHour-639-DaaaamnWereDuuuummmb.mp3
Category:general -- posted at: 5:00pm CDT

Direct download: TheAmpHour-638-AedanCullen.mp3
Category:general -- posted at: 6:31am CDT

Direct download: TheAmpHour-637-cnlohr.mp3
Category:general -- posted at: 7:37pm CDT

Direct download: TheAmpHour-636-DiscoveringCursedConnectors.mp3
Category:general -- posted at: 1:26pm CDT

Direct download: TheAmpHour-635-AndreaLongobardi.mp3
Category:general -- posted at: 8:04pm CDT

Direct download: TheAmpHour-634-KenTindell.mp3
Category:general -- posted at: 10:33pm CDT

Direct download: TheAmpHour-633-EngineeringOptimization.mp3
Category:general -- posted at: 2:00pm CDT

Dave talks with Steve Sanghi, the CEO of Microchip Corporation for 31 years!

Check out his new book, Up and to the Right. How Microchip was built into one of the biggest and most pofitable chip companies in the world.

  • The early microcontrollers, ROM, EPROM, EEPROM, FLASH
  • Semiconductor Fab's and locations
  • How the US Government CHIPS act is a golden handcuffs trap
  • US/China rhetoric
  • What really happened durign the covid supply chain crisis
  • How 90% of medical devices use Microchip parts
  • Lead times
  • Respect for the chip manufacturers and supply chains
  • Just-In-Time becomes Just-In-Case
  • How the Toyota production system works and how it had to change
  • The impacts of a potential war in Taiwan
  • How does it make sense to make thousands of part variants?
  • The secret to making part varients
  • Why Microchip chose MIPS vs ARM
  • Atmel didn't make any money!
  • Pricing discipline
  • How buying Atmel almost didn't happen, and how Dialog Semiconductor goofed it
  • Draconian NDA terms
  • Atmel was bloated
  • RISC-V plans
  • Customer Driven Obsolescence
  • Foundry vs In-House limitations
  • Open Source FPGA tools?
  • Third party tool support
  • Why not offer free optimised compilers?
  • It's all about black swan events, down cycles, pointy haired bosses, and how All your Cost Bases Beyong To Me
  • Hobbyist vs professionals
  • How Microchip is the largest aerospace chip maker in the world. Nothing leaves earth without a Microchip part in it.
  • Radiation hardended parts
  • Market value profitability
  • Will Microchip ever get acquired
  • Strained US vs China relations
Direct download: TheAmpHour-632-SteveSanghi.mp3
Category:Radio Show -- posted at: 7:50pm CDT

Direct download: TheAmpHour-631-ANoisyRudeBus.mp3
Category:general -- posted at: 7:10pm CDT

Direct download: TheAmpHour-630-AriGerstman.mp3
Category:general -- posted at: 6:51am CDT

Direct download: TheAmpHour-629-AtLeastMyHouseIsntHaunted.mp3
Category:general -- posted at: 7:34pm CDT

Direct download: TheAmpHour-628-TwoDadsPuzzlin.mp3
Category:general -- posted at: 9:29am CDT

Direct download: TheAmpHour-627-WorksOnMyMachine.mp3
Category:general -- posted at: 9:25pm CDT

Direct download: TheAmpHour-626-SergiyNesterenko.mp3
Category:general -- posted at: 7:56pm CDT

Direct download: TheAmpHour-625-GremlinsInTheMachine.mp3
Category:general -- posted at: 7:42pm CDT

Scott Williams from Xentronics in Melbourne Australia joins Dave to discuss the consulting design engineering business.

Direct download: 624-ScottWilliams.mp3
Category:Radio Show -- posted at: 3:02am CDT