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FAQ

Non-solid-state inverters? There still are such things.

December 29, 2020 By dherres

A device that converts dc to ac is known as an inverter. Nowadays, most engineers think of solid-state inverters in the context of applications such as electric vehicles and solar panels. Yet even today, not all inverters are solid state. One early form of power inverter was based on mechanical switching and was appropriately called […]

Filed Under: FAQ, Featured, Test and Measurement Tips Tagged With: FAQ

Designer’s guide to smart home tech, Part 2

December 29, 2020 By John Koon

This continues the discussion on smart home technology basics. You can find part 1 here. What is Z-Wave? Behind the Z-Wave standard is the Z-Wave Alliance. It is a wireless protocol that will connect and control smart home and IoT devices today. Today, there are over 3400 certified Z-Wave smart home devices on the market. […]

Filed Under: Applications, Consumer, FAQ, Featured, Microcontroller Tips, Wireless Tagged With: FAQ

Liquid cooling for high-performance thermal management

December 27, 2020 By Jeff Shepard

Liquid cooling comes in two forms, cold-plate based systems, and immersion cooling systems. Cold plate liquid cooling is found in various high-performance applications, including energy storage, transportation, electric vehicles, photonics, LEDs, military and industrial power supply cooling, even in some over-clocked desktop computers. The use of immersion cooling is more limited, and it can be […]

Filed Under: FAQ, Featured, Power Electronic Tips Tagged With: FAQ

Forced air cooling keeps cool with fans and blowers

December 26, 2020 By Jeff Shepard

Natural convection cooling is often inadequate to meet the thermal management needs of electronic systems. In those cases, fans and blowers can move more air and keep the system within a safe operating temperature range. As well as being available in both ac and dc configurations, fans are generally categorized by the way the air […]

Filed Under: Applications, FAQ, Featured, Power Electronic Tips Tagged With: FAQ

Convection cooling components

December 25, 2020 By Jeff Shepard

Convection cooling is used in various devices, from mobile phone handsets to various consumer, communications, and industrial systems where the thermal loading is not too demanding. Devices such as heatsinks, heat spreaders, and heat pipes are used to implement convection cooling. Convection cooling systems are often classified as either passive or active. Active cooling systems […]

Filed Under: Applications, FAQ, Featured, Power Electronic Tips Tagged With: FAQ

Envelope tracking improves power amplifier efficiency

December 24, 2020 By Martin Rowe

RF power amplifiers consume lots of energy, which is a concern associated with 5G. Envelope tracking helps reduce power consumption but has tradeoffs.

Filed Under: 5G, Applications, FAQ, Featured, Telecommunications, Wireless Tagged With: qualcommtechnologiesinc

Basic principles of thermal management

December 24, 2020 By Jeff Shepard

Thermal management is a critical element in all types of electronic equipment. There are three general aspects to thermal management; heat transfer, temperature measurements, and managing the coefficients of thermal expansion of the various materials and components used in an electronic assembly. At the most basic level, thermal management involves applying the science of heat […]

Filed Under: FAQ, Featured, Power Electronic Tips Tagged With: FAQ

What are the AMBA protocols?

December 24, 2020 By Nihil Agnihotri

As electronic miniaturization has been an all-time goal of chip manufacturers, motherboard-based computer/electronic systems have been eventually replaced by System-on-Chip (SoC) and Package-on-Package (PoP) ICs. Complex computer systems are now condensed to smartphones and other handheld devices. These sophisticated electronic devices and gadgets have an SoC at their heart which manages complete computing and control. […]

Filed Under: FAQ, Featured, Microcontroller Tips, Microcontrollers Tagged With: FAQ

mmWave antennas and antenna management for 5G

December 23, 2020 By Jeff Shepard

mmwave

Antennas, antennas, and more antennas are one of the keys to successfully developing 5G new radio (NR) devices employing millimeter wave (mmWave) bandwidths. 5G NR handsets are highly complex devices. They have to handle the new 5G mmWave bands, including 4×4 multiple input and multiple output (MIMO) antennas, 3GPP specified Evolved Universal Terrestrial Radio Access […]

Filed Under: Analog IC Tips, Applications, FAQ, Featured, Telecommunications, Wireless Tagged With: FAQ

What is the 5G RF/mmWave signal chain?

December 22, 2020 By Jeff Shepard

The 5G RF/mmWave signal chain is expected to be the same as, and different from, the RF signal chain for today’s LTE Advanced devices. 5G consists of two separate frequency bands, FR1 is mostly repurposed LTE bands and FR2 bands are in the mmWave region. As a result, 5G in the FR1 frequencies can use […]

Filed Under: Analog IC Tips, Applications, FAQ, Featured, Telecommunications, Wireless Tagged With: FAQ

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