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PODCAST

Würth Elektronik Watts Up Podcast

Wurth Elektronik Team

Each week, we"re seeing what"s up in the world of electronic and electromechanical components and PCB design. We"ll be checking in with leading industry experts, and Würth Elektronik technology specialists and product managers, who are going to shine a light on interesting topics such as energy harvest, wireless power transfer, EMI issues and more. Tune in to get technical design tips and applications during your commute, at your desk, or wherever you might be with the Wurth Elektronik"s Watts Up

education

All Episodes

15:42

Peak Current Proof Input Filter with Multilayer Power...

Würth Elektronik Watts Up Podcast ·

2021/12/16

Chip bead ferrites are the best components for reducing high frequency noise above 10 MHz, but being the first components and the last components in the chain exposes chip bead ferrites to heavy transient currents. In this podcast, we discuss how circuit designers can now select parts that filter noise with minimal impact to power efficiency and will handle large current pulses with excellent reliability. Download the complete Application Note, ANP041, at www.we-online.com/appnotes or click here

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12:52

Measurement of the Interference Voltage on DC/DC...

Würth Elektronik Watts Up Podcast ·

2021/12/09

Conducted interference occurs in the input circuit, whereby other electrical equipment can be disrupted, so the conducted interferences are first checked at the beginning of an EMC test of power supplies. In today's podcast, based off an Application Note, we discuss the procedure for examining differential mode interference in the input circuit of DC/DC switching regulators. Download the Application Note, ANP101, at www.we-online.com/appnotes or click here. Figure 1: Figure 2: Figure 3:

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12:51

Voids in Bottom Termination Components

Würth Elektronik Watts Up Podcast ·

2021/11/18

The market for Bottom Termination Components (BTCs) is growing rapidly, but these components have brought new challenges in design and assembly processes. The large areas of the solder terminals bring many advantages with them, like dissipating heat of the component. However, if the assembly process is not properly adjusted, then this can cause voids under the component. In today's podcast, we'll discuss the work carried out to evaluate the challenges of voids on the WE-MAPI and other DFN products

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17:37

Indoor Farming and Horticulture LEDs

Würth Elektronik Watts Up Podcast ·

2021/11/11

Advancements in lighting, heating, watering, and control systems have allowed the construction of vast, artificially lit, indoor greenhouses. One of the most significant future advancements in the viability of indoor greenhouses has been the advancement of LED technology. As advancements in their fabrication have progressed, LEDs have become the preferred solution for indoor cultivation. In this podcast, based on an Application Note, we discuss how these high-tech greenhouse installations can

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33:01

How Do I Solve EMI Problems on PCB Level?

Würth Elektronik Watts Up Podcast ·

2021/11/04

EMI is a common problem engineers face when designing a new application. How can a developer solve EMC problems on the circuit board or prevent them from occurring? What has to be considered and where does it make sense to use a filter? Which system impedances are there and what are the deciding factors for which filter topology should be used? In this podcast, based on a popular WEbinar, we answer these questions and give examples of how to correctly use a simplified filter calculation for a

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16:04

EMC & Efficiency Optimization of High Power DC/DC...

Würth Elektronik Watts Up Podcast ·

2021/10/28

Choosing the appropriate components is vital for the efficiency of DC/DC switching regulators with relatively high input and output currents. A high-efficiency switching regulator is market-ready if it, and the end product, comply with all necessary EMC standards; meaning more filters must be included at the input and output to reduce interference. With high input and output currents, it is difficult to find a compromise between the efficiency, size, damping and cost of the filter, and the actual

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22:39

UV LEDs for Disinfection

Würth Elektronik Watts Up Podcast ·

2021/10/21

Recently, the need for disinfection technologies has skyrocketed. One of these technologies is disinfection using UV-C LEDs. Disinfection with UV-C LEDs can help reduce the spread of viruses such as the Corona virus as well as other germs. In this podcast episode, based on an application note and a WEbinar, the working mechanism behind disinfection with UV-C radiation is discussed, as well as examples to simulate how to achieve disinfection. To watch the complete WEbinar on demand, visit Würth

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25:28

Effective USB 3.1 Filtering and Protection

Würth Elektronik Watts Up Podcast ·

2021/10/14

This Application Note outlines the components needed to protect USB 3.1 devices and attenuate EMI that may cause the device to fail EMC testing. This will be demonstrated in USB Type-C dongle to characterize the effectiveness of the components. For information and components suitable for USB 2.0, please refer to the following Application Notes available at www.we-online.com/appnotes. ANP002 – The Protection of USB 2.0 Applications ANP024 – The USB Interface from EMC Point of View To download this

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07:38

Hot Plugging of PoE Modular Jacks

Würth Elektronik Watts Up Podcast ·

2021/10/07

Modular jacks (MJ) connectors and cables are broadly used to bring Ethernet signal up to 10 Gb/s depending on the category of the product. It is also possible to deliver power through it with PoE. In this episode, we will study if recommendations for the WE-MJ connectors can be extended up to Type 4 and demonstrate the capabilities of modular jacks in case they are accidently used as a disconnector product in a PoE application. Download this Application Note, Hot Plugging of PoE Modular Jacks

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20:12

Multilayer Chip Antenna Placement & Matching

Würth Elektronik Watts Up Podcast ·

2021/09/30

The trend to miniaturize wireless communication devices has led to decreased PCB sizes and increased component densities. Although this shift to miniaturized technology has aided many areas of electronic design, it constrains RF front-end design. Multilayer chip antennas are an interesting choice for engineers, who are restricted by cost and space requirements in wireless system design. Low temperature co-fired ceramic (LTCC) multilayer chip antennas are formed from several layers of dielectric

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11:56

Going Wireless with Magnetic Shielding

Würth Elektronik Watts Up Podcast ·

2021/09/23

Magnetic Field Interferences are increasing in electronic devices due to a number of factors including reduced separation distances of PCB’s, Integrated Circuits and many other sensitive components. Magnetically coupled communication technologies leads to more complex layout and proximity considerations. With Ferrite materials it is possible to manage and predict magnetic flux flow and thereby improve efficiency of power transfers, increase distances of near field communications and of course avoid

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20:55

What Do Rated Current Values Mean?

Würth Elektronik Watts Up Podcast ·

2021/09/16

Rated current values found on datasheets serve as a guide for the selection of power inductors. However, the temperature rise in power inductors can be influenced by many factors that are not always reported in datasheets by all manufacturers giving a false sense of what the rated current values actually represent. In this podcast, we discuss how the behavior of a single inductor in different conditions demonstrates how different performance parameters may be used to gauge the performance of an

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11:37

EMC Filter for DC/DC Switching Controller Optimized

Würth Elektronik Watts Up Podcast ·

2021/09/09

Modern power supplies need to reduce power loss in order to remain efficient. Switch mode power supplies and DC/DC switching controllers are state of the art and allow great efficiency, but if the design of the circuit and circuit board layout is less poor, then this can result in increased emission of radio interference voltage. In this podcast, we are discusses the systematic implementation of input filters for reducing symmetric interfering voltage in DC/DC switching controllers. Figure 1:

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14:06

Ferrite Beads for Ringing Control

Würth Elektronik Watts Up Podcast ·

2021/09/02

Ringing is a common term that refers to the undesired oscillation which happens when a power semiconductor switch turns on or off in the presence of parassitic inductance and capacitance. In this podcast, learn how ferrite beads placed in series with the bootstrap pin of buck regulators can make excellent ringing control components, and when applied properly they can be used to treat the source of the high frequency noise without taking up too much PCB area. Image 1: Image 2: Image 3: Image 4:

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18:37

Power Up with Power Inductors- Part II

Würth Elektronik Watts Up Podcast ·

2021/08/26

In our last podcast, we began discussing the advanced function and design of power inductors. We continue our series with the second half of our popular advanced WEbinar on the topic. Maximiliano Padilla, Technical Chat Navigator at Wurth Elektronik will complete this series with the construction of an inductor, specifics and differences in wires, and finishing with a discussion on the skin effect.

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17:38

Power Up with Power Inductors- Part I

Würth Elektronik Watts Up Podcast ·

2021/08/19

In today's podcast, we are diving in to the advanced function and design of power inductors. This podcast comes from our popular advanced WEbinar on the topic and is divided in to two series. Maximiliano Padilla, Technical Chat Navigator at Wurth Elektronik will begin define inductance and inductors, describe and cover the Q factor, and explain the differences in inductors and their materials.

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12:44

Designing in Harsh industrial Environments

Würth Elektronik Watts Up Podcast ·

2021/08/12

Ethernet is rapidly gaining adoption as the dominant networking method for an increasing number of applications outside of IT. One of the main problems is the operating environment. As industrial initiatives, such as Industry 4.0 and the broader Industrial Internet of Things (IIoT) gather momentum, the need to manage technology architecture across such contrasting automation landscape is becoming more essential. Learn about Designing in Harsh industrial Environments in today's Watts Up Podcast

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35:31

Wireless Power Transfer- Advanced Coil Knowledge

Würth Elektronik Watts Up Podcast ·

2021/08/05

In last week's podcast, Würth Elektronik's own Cem Som, Director Europe for custom magnetics, discussed the basics of Wireless Power Transfer and basic physics. Today's podcast comes directly from a recent WEbinar presented Cem and is the second of a two part series. This webinar develops from first principles through to advanced coil design and implementation. New content includes different applications, coil physics, coil material impact and coil tuning. Watch the complete WEbinar here!

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38:52

WE Cut the Cord- Wireless Power Transfer

Würth Elektronik Watts Up Podcast ·

2021/07/29

Wireless Power Transfer is one of the most innovative topics for the next generations. Today's podcast comes directly from a recent WEbinar presented by Würth Elektronik's own Cem Som, Director Europe for custom magnetics. Cem comes to us with many years of experience and many technical writings on wireless power technology. This webinar is the first of a two part series. Starting with the basics and basics physics, Cem will also discuss the basic principles of wireless power transfer and the

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52:26

Basics of Power Transformers

Würth Elektronik Watts Up Podcast ·

2021/07/15

Last week, we replayed one of our most popular WEbinars- Basics of Power Inductors with our presenter, George Slama, Senior Application and Content Engineer with Wurth Elektronik. Today, we continue our series on power, with the sequel webinar "Basics of Power Transformers," and discuss the differences between transformers and inductors and key functions they provide. Watch the WEbinar on demand.

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