Technical Features

October 2017

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Figure 1: Power stage of the flyback converter (simplified)

Eleazar Falco, FAE, Würth Elektronik eiSos / Editor, Gerhard Stelzer

Isolated flyback converters often use optocouplers in the feedback loop to regulate the output voltage. As part of the compensation circuit, its parameters such as CTR influence the control loop and must be taken into account in the flyback converter design. The flyback converter is an isolated switching power

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Date:

04/01/2024

Figure 1. Wireless Power Transfer System

Can You Hear Me Now? (Wireless Charging Solutions)

Steve Knoth, Senior Product Marketing Engineer, Power Products, Linear Technology Corporation, Now Part of Analog Devices, Inc.

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 an

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Date:

10/31/2017

Figure 1. Artesyn uMP16 1800W

All Change for Powering Medical Devices

Philip Lechner, Product Marketing – Power, Avnet Abacus

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 di

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Date:

10/31/2017

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

Ultra-Low-Power Radio Technology Enables Medical Wireless Sensor Networks

Herman Morales, Business Development Manger, Ultra-Low-Power Wireless Microsemi Corporation

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 wo

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Date:

10/31/2017

Figure 1. Patient entering CT or other diagnostic imaging

Leakage Current Testing Requirements for Medical Grade Transformers

Lazaro Rodriguez, Standard Product Engineering Manager Triad Magnetics

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 te

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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 of international standards.

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Date:

10/16/2017