Technical Features

October 2017
A New Era in Audio Performance with Infineon’s MERUS™ Multilevel Class D Amplifiers

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Figure 1: MERUS™ amplifiers have a special power stage topology. In this design each half-bridge uses four MOSFETs (M1-M4) and the capacitor is “flying” between those to serve as an extra supply rail, resulting in a three-level output signal at the output switching node

Voices, noises, music – they are part of our lives. Sound has always been all around us. It connects us to our surroundings either we produce or just listen to them. Being an integral part of our everyday, conception and design of audio products and their environments have become more and more essential. In
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Date:
05/01/2019
Ultra-Low-Power Radio Technology Enables Medical Wireless Sensor Networks

Figure 1. Simplified RF circuit design with embedded loop antenna using chip-scale package (CSP)

Today’s sensor and monitoring solutions for wireless personal area networks (WPANs) and wireless body area networks (WBANs) can support continuous data streaming with extremely low power consumption. This is critical for wearable medical systems that are used in environments where frequent battery replacement
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Date:
10/31/2017
All Change for Powering Medical Devices

Figure 1. Artesyn uMP16 1800W

One of the areas that electronics has been making a significant impact in recent years is in the medical sector. This increase in health and medical services utilizing high tech equipment to monitor, diagnose and treat patients has seen a large increase in new suppliers to the sector. However, the medical sector
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Date:
10/31/2017
Can You Hear Me Now? (Wireless Charging Solutions)

Figure 1. Wireless Power Transfer System

A hearing aid is generally a small wearable electronic device that amplifies sounds to assist people with hearing loss. Hearing aid technology has continuously improved over the last 20-30 years. For example, compared to the relatively inexpensive older analog circuit type of hearing aid, a more sophisticated
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Date:
10/31/2017

Leakage Current Testing Requirements for Medical Grade Transformers

Figure 1. Patient entering CT or other diagnostic imaging

While all transformer applications must meet certain specifications, the industry safety standards for medical grade transformers are especially strict, as their performance plays a direct role in patient health and safety.  The same can be said in terms of occupational safety for the doctors, nurses and
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Date:
10/30/2017
 Be prepared for the 4th edition of the IEC 60601-1 medical standard
The motto of the worldwide Scout Movement, “Be Prepared”, is a good mantra for all aspects of life and, in business, is undeniably the key to success. In engineering and design, part of being prepared means keeping abreast of changing regulations and the requirements
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Date:
10/16/2017