Warm hint: The words in this article are about 3000 words and the reading time is about 10 minutesSummaryThis article presents an overview of the most important power supply topologies and most popular circuit topologies used in today's switched-mode power conversion. There are many more topologies, but most are combinations or variations of the ones presented here. Each topology contains a un...

Warm hints: The word in this article is about 3200 words and  reading time is about 17 minutes.SummaryDo you know what is PWM and where it is applied to? Pulse width modulation (PWM) is a very effective technique to control analog circuits using the digital output of microprocessor. It is widely used in many fields from measurement, communication to power control and conversion. With the adva...

Warm hints: The word in this article is about 3500 words and reading time is about 15 minutesSummarySemiconductor light-emitting diodes, abbreviated as LED, were developed from the 1960s and gradually became market-oriented. Its packaging technology is also continuously improved and developed. The development of LED from the earliest use of glass tube packaging to bracket epoxy packaging and surfa...

Warm hints: The word in this article is about 3200 words and  reading time is about 15 minutes.SummaryAs MOSFET is widely used today, it is necessary to comprehend how does MOSFET work and its basic knowledge. Metal oxide semiconductor field effect transistor (MOSFET) is a field-effect transistor (FET) that can be widely used in analog and digital circuits. According to the polarity of its &q...

Warm hints: The word in this article is about 4000 words and the reading time is about 25 minutes.SummaryThis article is mainly talking about Augmented Reality-AR technology. AR is a new technology for users' perception of the real world. It is generally believed that the emergence of AR technology stems from the development of Virtual Reality (VR), but there are obvious differences between th...