Part 1 of the FAQ began an exploration of the first Philips AED, a very innovative personal defibrillator which completely changed the way, place, operation, user role, and time-to-administer electric-shock resuscitation, as well as the popular thinking and expectations about it. Q: What other challenges did Philips face in delivering the desired BTE waveform? A: […]
How it Works — the Personal Defibrillator: Medical basics and principles
The personal defibrillator combines sophisticated electronics with precise, adaptive control of the high-energy pulses which can re-start the heart’s beating but do so without shocking the patient to death. You’ve seen those life-saving defibrillators in offices, malls, and even homes, quietly at the ready for immediate use. When the Philips Medical Systems division of Royal […]
DC-DC converter certified for use in critical medical applications and 2MOPP standards
Recom’s board-mounted REM2 series complements the REM1 series by offering a 2W medical grade DC/DC converter in a compact SIP8 package. The REM2 features reinforced 5.2kVDC/1 minute isolation and 2MOPP/250VAC working voltage at 5000m. It offers single and dual outputs with up to 85% efficiency. The operating temperature range is -40°C up to +80°C without […]
Current-sense resistors for use in high-sulfur environments
KOA Speer Electronics has expanded its SR73-RT Series of Low Resistance Anti-Sulfuration Current Sense Resistors with a new 0402 Package size. The SR731E-RT will be available in ±1%, ±2%, and ±5% tolerances with resistance values from 1Ω up to 10 Ω, a power rating of 1/8 Watt and an operating temperature of -55°C to +155°C. […]
PMIC keys on optical measurement sensitivity for wearable fitness/health apps
Designers of always-on wearable and IoT devices now have the ability to extend battery runtime while shrinking form factor with the latest tiny, highly integrated power-management IC (PMIC) from Maxim Integrated Products, Inc. The ultra-low-power MAX20345 integrates a lithium charger and debuts a unique architecture that optimizes the sensitivity of optical measurements for wearable fitness and […]
Expanded resistance values for high-voltage chip resistors
Stackpole Electronics, Inc. announces their HVC series of high voltage chip resistors have been expanded to resistance values up to 10 Gigohms. The series has now been characterized for absolute maximum voltage ratings that are significantly higher than the previous voltage ratings. These higher absolute maximum voltage ratings are key for those applications where the […]
Flexible 500-W peak-power ac-dc supply targets industrial, Body Floating-rated medical apps
XP Power has announced the launch of the CMP250 series of high peak power AC-DC power supply units, primarily targeting healthcare, industrial and IT applications. Offering a flexible combination of electrical and thermal characteristics, the power supplies deliver up to 500 Watts of peak power for up to 60 seconds, as well as providing 250 […]
Ultra-compact 15/30-W encapsulated PCB-mount supplies ok for BF-rated medical systems
TRACO POWER announced the release of their TPP 15-D and TPP 30-D series of 15 and 30 watt fully encapsulated PCB-mount power supplies. These ultra-compact models measure only 1.65 x 1.14 x 0.85” (15W) or 2.89 x 1.50 x 1.00” (30W). Compliance to the ErP directive for no-load power consumption and UL 62368-1 / EN […]
Injection molding, 3D printing take their places in digital manufacturing
In the context of all the buzz around 3D printing, the term “injection molding” may sound like a ho-hum and low-tech term. However, depending upon your design requirements, there is an important place for both processes and 3D printing (additive manufacturing) is not poised to take over injection molding any time soon. Although 3D printing […]
Key design considerations for sheet metal enclosures
Even the simplest of electronic products need to be enclosed somehow. Additionally, having a basic understanding of how electronics enclosures are fabricated can go a long way to a more successful overall design and positive end-user experience. While there are electronic products that are more suitable for plastic enclosures, sheet metal electronic enclosures have the […]
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