Teachers have always been an integral part in society in training up generations to be functional citizens in the society. Often times, industry and academia are closely related. Both are mutually supportive with the industry pointing academia to the right direction in syllabus, keeping them updated with the latest technology, and academia providing the human …
Will COVID-19 Slowdown the Progress of 5G?
The 3G is the first mobile broadband makes it possible for us to surf internet on a smart phone after the 2G digital voice which can only provide wireless telephone calls and short message service (SMS). The 4G mobile internet delivered speed that enabled video streaming and caused a boom in the app development industry, …
Generalized Chebyshev Filter
In this week article, lets discuss the Generalized Chebyshev class filter. Firstly, here's a video on a Generalized Chebyshev class filter constructed using our EDS HF software. https://www.youtube.com/watch?v=cYPvdXOXlW4 The Design The Generalized Chebyshev filters have equiripple passband characteristics and flexibility in placing transmission zeros arbitrarily. The synthesis of this type of filter is based on …
Android Touchstone Viewer
We are living in an era where accessibility is a big deal. The means to communicate information on the move and with ease is a huge advantage to businesses or entrepreneurs alike. One of the key platform to do this is mobile phones. As of February 2020, the amount of smartphone users in the world …
Is The 5G Race Part of The China-US Trade War?
Technological breakthrough are often than not influenced by the politics of the world. With 5G coming soon, will the China-US Trade War affect the development of 5G?
Single Mode Filter
Microwave and RF filters are of immeasurable importance to wireless equipment because they are always located between the input and output stages of the RF and microwave active circuits. Microstrip planar filters are preferred for integration in low-power transceiver systems because they possess the properties of compact size, flexible layout, low cost, and easy fabrication …
The Inverter
In the process of designing a lumped element filter, the circuit layout that is usually used to realize the filter is known as the "ladder network". Why ladder? Simply saying, because the layout looks like a ladder. The picture below shows a ladder network that is consisting of only resistors. In a lumped element lowpass …
