I think it was a two-stage mains input filter from Schurter that got me thinking about CLCLC input filtering. And it all seemed so simple until I started reading around to understand it. I supposed I should have guessed, but the risk is that you end up with two gain peaks in the transfer function …

This story continues at Two-stage (4 pole) LC input filters are tricky

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US researchers have made on-chip inductors smaller by adding ‘kinetic inductance’ to conventional magnetic inductance. The work cuts the size of 10-50GHz inductors by a third. Kinetic inductance arises from the physical momentum of charge carriers resisting the change in current direction associated with a change in electric field, according to the team, from the …

This story continues at On-chip inductors get smaller with graphene and electron momentum

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It’s an Android Auto head unit, which means I could cover it on the Eyes on Android blog, but the fact it runs on a Raspberry Pi means Gadget Master trumps it!

This story continues at Raspberry Pi with touchscreen serves Android Auto

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Uniform spectral power distribution enabled by a three-phosphor mix render ancient murals naturally, ensuring that visitors will fully experience the display’s color and texture.

The AWS Solutions team has updated Video on Demand on AWS, a solution that automatically provisions the services necessary to build a scalable, distributed video-on-demand workflow on AWS. The solution now leverages the broadcast-grade features of AWS Elemental MediaConvert to provide H.265 (HEVC) and H.264 (AVC) compression, two-pass encoding, and up to 4K resolution outputs. The solution is easy to deploy and provides an example architecture you can use to build a global consumer video workflow on AWS. You can customize the architecture to meet your specific needs.

You can now use Amazon Redshift Spectrum to directly query scalar JSON and Ion data types stored in external tables in Amazon S3 – without loading or transforming the data.  

Starting today, AWS Directory Service for Microsoft Active Directory, also known as AWS Managed Microsoft AD, enables you to manage administrative permissions in your managed directory more easily. You can now grant administrative permissions to users from your existing Microsoft Active Directory (AD) by adding these users to the new AWS delegated AD security groups in AWS Managed Microsoft AD.

Amazon Elastic Container Service (ECS) now supports Docker container health checks. This gives you more control over monitoring the health of your tasks and improves the ability of the ECS service scheduler to ensure your services are healthy. 

AWS Service Catalog, used by enterprises, system integrators, and managed service providers to organize, govern, provision, and operate cloud resources on AWS, now allows customers to customize the look and feel of the console. Customers can brand their AWS Service Catalog console to match their internal applications, making the user experience more seamless when moving from internal applications such as single sign-on and navigation portals to AWS Service Catalog.  

Amazon RDS for MySQL now supports MySQL Community Edition minor versions 5.5.59, 5.6.39 and 5.7.21 in all AWS Regions. These new versions include a number of fixes and functionality improvements for the MySQL database engine.