How does a switching power supply work? Signals and components explained, buck regulator differences, how do they work, which one to use, ... By Carmen Parisi. Thank you very much Carmen https://youtu.be/zf-pvHysroM Links: - Carmen's LinkedIn: https://www.linkedin.com/in/carpar/ - Carmen's presentation: https://welldoneblogfedevel.files.wordpress.com/2022/12/design-troubleshooting-tips-for-your-switching-regulator.pdf - FEDEVEL online courses: https://courses.fedevel.com/ Chapters: 00:00 Main parts of a buck regulator 00:12 … Continue reading How to design perfect switching power supply | Buck regulator explained →

How to calculate, simulate, measure and filter noise in circuits with operational amplifier and with AD converters. Explained by Arthur Kay from Texas Instruments. Thank you Arthur. https://youtu.be/61Qg6zeQvZ8 Links: - TI Precision Labs: ADCs https://training.ti.com/ti-precision-labs-adcs?HQS=asc-dcc-padc-null-amb-pp-youtube_feranec_adcs-wwe_int - TINA-TI analog simulation program https://www.ti.com/tool/TINA-TI?HQS=asc-dcc-padc-null-amb-evm-youtube_feranec_tina-wwe_int - PSPICE-FOR-TI design and simulation tool https://www.ti.com/tool/PSPICE-FOR-TI?HQS=asc-dcc-padc-null-amb-evm-youtube_feranec_pspice-wwe_int - Operational Amplifier Noise book https://www.amazon.com/Operational-Amplifier-Noise-Techniques-Analyzing/dp/0750685255 - … Continue reading How to minimize noise in your OP AMP and ADC circuits →

In this tutorial you will learn how to draw schematic, do PCB layout, manufacture your board and programming. https://youtu.be/S_p0YV-JlfU Learn more about electronics, check out our online courses: https://courses.fedevel.com/ Chapters: 00:00 Start a new project in EasyEDA 04:00 Add ESP32 into schematic 05:00 Add CP2102N 05:48 Add AMS1117-3.3 06:41 Add USB connector 07:43 Add ESD, … Continue reading How to Make Custom ESP32 Board in 3 Hours | Full Tutorial →

I have decided to refresh my hardware design tips. The first one is related to randomly crashing and freezing boards and to boards with a weird behavior. Have you ever had a problem with crosstalk? How did you solve it? https://youtu.be/gOS8LyExKDk Links: - What Every PCB Designer Should Know - Crosstalk Explained (with Eric Bogatin) … Continue reading TIP: You can have crosstalk on boards running at low frequency #hw_tip #001 →

I recorded the full process of designing and building this ESP32 board. I was planning to post it on YouTube, but there is still a lot of work. Would you watch it if I finish it? https://youtube.com/shorts/OWlitVgF54c Links: - FEDEVEL Online Courses: https://marketplace.fedevel.education/

Everything important you need to know when designing FLEX PCBs. Explained by Ata Syed https://youtu.be/DoR-gq4M9Aw Links: - Ata's LinkedIn: https://www.linkedin.com/in/atasyed/ - PFC Flexible Circuits: https://www.pfcflex.com/ - FEDEVEL courses: https://courses.fedevel.com/ Chapters: 00:00 What this video is about 01:32 What is Stiffener 03:14 What is Coverlay 05:36 Soldermask on Flex PCB 07:44 Adhesive 11:35 Favourite stackup? 18:39 … Continue reading Designing a FLEX PCB? You Need To Know This …. →

How to probe DDR4 memory signals, what to look for on the oscilloscope and how to run DDR4 compliance tests. Thank you very much to Maurizio Mastrofini and Teledyne LeCroy https://youtu.be/ujkHxsHjZd4 Links: - Maurizio's Linkedin https://www.linkedin.com/in/maurizio-mastrofini-6807115/ - Teledyne LeCroy: https://teledynelecroy.com/ - FEDEVEL courses: https://courses.fedevel.com/ Chapters: 00:00 What is this video about 00:36 Connecting probes to … Continue reading How to measure DDR4 memories →

How the model of PCB used in high speed board simulations is created. Explained by Eric Bogatin. Thank you Eric. https://youtu.be/9B66SqaYCZs Chapters: 00:00 What is this video about 00:29 What are s-Parameters, Why we need them 05:51 How S-Parameters models are created 08:02 Including components in simulations with S-Parameters 14:44 What is in S-Parameters file? … Continue reading Must Know This to Understand High Speed PCB Layout Simulation | S-Parameters Explained, Eric Bogatin →

Maybe you don't need extra power layers in your PCB and using tracks for power distribution may be just ok. An interesting discussion with Eric Bogatin. https://youtu.be/kdCJxdR7L_I Chapters: 00:00 What is this video about 00:35 Maximum current through a PCB track 03:40 Stackups: SGSS, SGSG, GSSG (S - Signal, G - GND) 10:31 Stackups SGGS … Continue reading Do You Really Need Power Planes? Are you sure? | Eric Bogatin →

Watch this animation to understand better how a signal is lost when travelling through a VIA. https://youtu.be/yQIBS5xwvVQ Chapters: 00:00 What is this video about 01:14 Example 1: Single ended, no stitching VIA 06:08 Example 2: Single ended, 1 stitching VIA 10:17 Example 3: Single ended, 2 and 6 stitching VIAs 12:43 VIA Analyzer - How … Continue reading NOT in the Copper! 3D Animation of a Signal Through a VIA | Yuriy Shlepnev →