Medical

MEDICAL APPLICATION NOTES

  • Microwave Office® Software Improves Heart Condition Treatment
    Microwave Office® Software Improves Heart Condition Treatment

    Meridian Medical Systems develops products that use microwave energy to generate heat, measure radiation and motion, and monitor and maintain the temperature of blood and other fluids. This application note discusses how AWR Microwave Office’s design software was recently used to develop an accurate feedback mechanism for cardiac arrhythmia.

  • Modeling The Specific Absorption Rate Distribution Of A Smartphone
    Modeling The Specific Absorption Rate Distribution Of A Smartphone

    This application models the specific absorption rate (SAR) distribution in a human head, heart, and body exposed to an electromagnetic field emitted from a handheld cellular phone operating in GSM (900 MHz and 1,800 MHz) and GPS range in a partially closed environment. In the modeling, SAM Phantom IEEE model and a realistic human head and body are used to investigate both the local and average SAR of 1 g and 10 g tissue.

  • Medical Applications Guide
    Medical Applications Guide

    This download contains information on Texas Instruments’ ability work in applications involving the consumer medical, medical imaging, medical instrumentation, connectivity solutions, and diagnostic, patient monitoring, and therapy market segments within the medical field.

  • Signal Switching for Medical Device Testing App Note
    Signal Switching for Medical Device Testing App Note

    Maintaining signal integrity is critical in medical device testing and characterization. The signal's shape, as well as its frequency, amplitude and other electrical parameters must be preserved for accurate measurement and evaluation.

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MEDICAL CASE STUDIES AND WHITE PAPERS

  • Ultra-Low Power Wakeup Radios And The Internet Of Things
    Ultra-Low Power Wakeup Radios And The Internet Of Things

    The growth of the Internet of Things (IoT) is expected to accelerate in the coming years, propelled by the lower cost and increasing connectivity of the network. Many of the communication devices for the IoT will have power constraints, due to their small size and the requirement to operate off small batteries for long periods of time. This paper will examine some of the requirements of such low power communication systems, the need for low power wakeup radios with example applications, and a comparison of candidate technology.

  • Wearing A Wire

    Synapse uses ANSYS HFSS and the ANSYS human body model to evaluate performance of various antenna designs by modeling the complete system, including the wireless device and antenna and their interactions with the human body. By Bert Buxton, ANSYS

  • A Multiphysics Approach To Magnetron And Microwave Oven Design

    The magnetrons used in microwave ovens operate on the same frequency band as Wi-Fi equipment, and the radiation they release can interfere with the operation of wireless networks. This paper presents a multiphysics simulation of a magnetron using CST STUDIO SUITE®, with the aim of testing the electrical, magnetic, thermal and mechanical characteristics of a low-interference magnetron design. The simulation results are then compared to measurements made experimentally, and the two sets of results are shown to be in good agreement.

  • A Four-Element 'Clover' Transceiver Array For 3 Tesla Cardiac MRI

    The design of radio frequency (RF) coils is of paramount importance to the quality and safety of Magnetic Resonance Imaging (MRI). Being the signal generator and detector of MRI, RF coils are required to generate a uniform excitation in the target during transmission and high signal-to-noise ratio (SNR) during reception. In the meantime, RF coils must not cause subject overheating in in-vivo human studies. This requires that RF energy deposited inside the human body and coupled to receivers should be minimized. By Shumin Wang and Hai Lu

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MEDICAL PRODUCTS

LTE Tx/Rx Switches

LTE Tx/Rx Switches

Skyworks is pleased to unveil five LTE Tx/Rx switches for smartphones and tablets. The SKY13414-485LF, SKY13415-485LF, SKY13416-485LF, SKY13417-485LF and SKY13418-485LF main/diversity antenna switches cover SP4T through SP8T, and allow up to eight bands of WCDMA/LTE.

Medical RF & Microwave Semiconductors

Medical RF & Microwave Semiconductors

Skyworks offers a large variety of RF and microwave semiconductor products for use in medical devices. Common applications include glucose monitoring, defibrillators, hearing aids, heart monitors/pacemakers, MRI scanners, patient monitors, and others.

Explore the Technical Applications of EM Simulation

Explore the Technical Applications of EM Simulation

Explore how CST simulation software tools can address design challenges across the electromagnetic spectrum with our insightful range of webinars. Using the tools in CST STUDIO SUITE®, the webinars explore various applications and workflows and demonstrate the benefits of using simulation software to design devices such as antennas, waveguides, optical devices, MRI coils, and more.

 

Solid State Broadband High Power RF Amplifiers

Solid State Broadband High Power RF Amplifiers

Ophir RF offers Solid State Broadband High Power RF Amplifiers for EMC, Communications, and Military applications. Links to datasheets can be found below, along with information on typical users of Ophir RF’s amplifiers, and the applications in which they’re used.

Pulsed RF Microwave Frequency Counter/Analyzer: CNT-90XL

Pulsed RF Microwave Frequency Counter/Analyzer: CNT-90XL

This RF/Microwave frequency counter/analyzer can be used to measure, analyze, and calibrate microwave frequency, power, and pulsed RF time parameters like pulse width and PRI. This system features a graphical display and improved control over measurement.

Custom Hi-Voltage Filtered Medical Connectors

Custom Hi-Voltage Filtered Medical Connectors

By applying high-voltage resistive ink banding using a patented banding process, these medical connectors are able to withstand the 3,000 VDC hi-pot breakdown required for defibrillation monitoring and medical diagnostic equipment. 

Broadband Amplifier Systems: 7000 Series

Broadband Amplifier Systems: 7000 Series

Ophir RF’s 7000 series consists of ten different broadband amplifier systems covering a wide frequency range. Each model features variations in output power, harmonics, spurious signal parameters, and more. These amplifiers are ideal for both military and commercial applications.

14-Bit Analog-to-Digital Converter (ADC): AD9645

14-Bit Analog-to-Digital Converter (ADC): AD9645

The AD9645 Analog-to-Digital Converter is ideal for diversity radio systems, 3G and 4G cellular, radar/LIDAR, portable medical imaging and ultrasound, smart antenna systems, broadband data, and other applications where outstanding dynamic performance and low power in a small package is critical.

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MEDICAL NEWS

  • Researchers Design First Battery-Powered Invisibility Cloaking Device

    Researchers at The University of Texas at Austin have proposed the first design of a cloaking device that uses an external source of energy to significantly broaden its bandwidth of operation.

  • Graphene-Based Nano-Antennas May Enable Networks Of Tiny Machines

    Networks of nanometer-scale machines offer exciting potential applications in medicine, industry, environmental protection and defense, but until now there’s been one very small problem: the limited capability of nanoscale antennas fabricated from traditional metallic components.

  • A New Paradigm For Nanoscale Resolution MRI

    A team from the University of Illinois at Urbana-Champaign and Northwestern University has devised a novel nuclear magnetic resonance imaging (MRI) technique that delivers a roughly 10­ nanometer spatial resolution. This represents a significant advance in MRI sensitivity — modern MRI techniques commonly used in medical imaging yield spatial resolutions on the millimeter length scale.

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