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Design Guides

Collection of articles to help you design better embedded systems.

Ambient Backscatter: Power And Communication To Battery-Free Devices

With recent advancements in communication technology, there is a new technique—called ambient backscatter—that allows devices to communicate with each other, for which it does...

How To Use Modern Multi-Processor Application Programs

An application built with the hybrid model of parallel programming can run on a computer cluster using both OpenMP and message passing interface. Modern embedded...

Communications Equipment Makers Demand High Power Outputs And Small Solution Footprints

Introduction Many communications systems are powered via a 48 V backplane. This voltage is normally stepped down to a lower intermediate bus voltage, typically...

How To Use Relays For Real-World Applications?

This article provides four simple applications that can help understand the control of DC/AC devices to develop real-world applications. Very often, novel and innovative projects...

Antenna Design Considerations For RF Applications

Since there is no unique solution for a particular RF applications, some guidelines are needed. This article looks at some such guidelines. An antenna transmits...

Greater Functionality Demands Higher Levels Of Technology

Companies are trying to maintain their competitive edge by adding more functionality to their products. This is making systems that were previously relatively simple...

Non-Reciprocity In Ferrite-Less Devices: A Way To Full Duplex Mobile Communication

With full duplex realisation, a single antenna could be shared between the transmitter and the receiver. 5G standards are currently being laid out. It is...

Indoor Localisation Using Bluetooth Beacons

Location based services are rapidly emerging in the modern era where users are provided with various application softwares to comply their requirements. Applications such...

The Next-Level FPGA Architectures

This article discusses what to expect from next-level field programmable gate arrays (FPGA Architectures). Architectures of different field programmable gate arrays (FPGA) differ from vendor...

Controlling 3-Phase Induction Motors Using VFD And PLC

Three-phase induction motors are widely used in industrial automation processes, often requiring control through AC drives. Presented here is a robust system for switching...

Product Development: Flex and Rigid-Flex PCBs

Rigid-flex circuits combine the best of both—rigid boards and flexible circuits—integrated together into one circuit. Reliability is important for electronic devices. Hence, a substantial number...

Clock Gating for the Internet of Things

Power dissipation is a concern while designing high-performance systems. Clock gating technique can be used to reduce power. The Internet of Things (IoT) connects smartphones,...

Post-Silicon Validation Methodology in SoC (Part 2 of 2)

Read Part 1 Post-silicon validation is an essential step to verify the proper functioning and operation of an SoC, post manufacture. Part 2 discusses elaborately...

Post-Silicon Validation Methodology in SoC (Part 1 of 2)

Post-silicon validation includes a number of activities such as validation of both functional and timing behaviour as well as non-functional requirements. Each validation has...

Thermal and Humidity Effects on Electronic Equipment

In order to design highly reliable products, designers need to study the intended application environment and its impact on the electronic assembly. This article...

Smart, Wide-Bandwidth Internal Compensation Achieves Small-Size Power Solution

Introduction Shrinking the size of the power solution often sits among the top priorities on a system engineer’s list. This is not because it is...

Design: How to Improve Power Conversion Efficiency of Inverters

Inverters convert DC electricity from sources like solar panels, batteries and fuel cells into AC electricity. Their power-handling capacities like input voltage, output voltage...

High-Frequency Issues In Electronics

This article covers some important issues in design of high-frequency electronic circuits and commonly followed practices to mitigate them. Electronic circuits behave very differently at...
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