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Medical

How does a precision rectifier work?

May 4, 2022 By Jeff Shepard

A precision rectifier, sometimes called a super diode, is an op amp circuit designed to behave like an ideal diode and is used in high-precision signal processing applications. It’s not a synchronous rectifier. The op-amp-based precision rectifier should not be confused with power MOSFET-based synchronous rectification. Because there is no diode voltage drop between the […]

Filed Under: Applications, Audio, FAQ, Featured, Industrial, Medical Tagged With: FAQ

What is PSRR and why is it important in op amps and LDOs?

April 18, 2022 By Jeff Shepard

The power supply rejection ratio (PSRR) describes the ability of a circuit to suppress any power supply variations from passing to its output signal and is typically measured in dB. It’s most often used with operational amplifiers (op amps), dc/dc converters, linear regulators, and low drop out regulators (LDOs). For op amps, the PSRR describes […]

Filed Under: Amplifiers, Automotive, FAQ, Featured, Industrial, Medical, Products Tagged With: FAQ

Medical PCB assembly: Know these regulations and standards

March 15, 2022 By WTWH Editor

by Ken Ghadia, Sales Engineer, TechnoTronix The reliability and safety of Medical PCB assembly are of utmost importance as they directly impact human healthcare. It is one of the most critical applications that demand the best PCB performance. Setting stringent regulatory standards is compulsory in medical device manufacturing. The standards also apply to the printed circuit […]

Filed Under: Applications, FAQ, Featured, Medical, PCB design Tagged With: FAQ

Analog front end reduces, size, extends life of remote-patient monitoring devices

March 9, 2022 By Redding Traiger

Reduce the size and extend the life of bioimpedance (BioZ) remote-patient monitoring (RPM) devices with the MAX30009 low-power, high-performance BioZ analog front-end (AFE) from Analog Devices, Inc. (ADI). For developers of small, battery-powered, continuously wearable devices, this AFE on a chip offers clinical-grade vital sign measurements of bioimpedance analysis for patient health assessment for wellness wearables and […]

Filed Under: Medical, Products, Tools, Wearables Tagged With: analogdevicesinc

Subminiature snap switch supports ultra-low thru high-current apps

February 2, 2022 By Redding Traiger

C&K has expanded its snap switch product offering with the new sealed subminiature ZMT Series. The ZMT Series snap switch is offered with IP67-rated encapsulated wires, customized levers, and can be offered as part of the module. The ZMT is an updated and improved version of the popular ZMA switch. C&K developed the ZMT in direct response […]

Filed Under: Industrial, Medical, Products, Switches, Tools Tagged With: c&k

JFETs, diodes, voltage-controlled resistors now in DFN packages

December 4, 2021 By Redding Traiger

Linear Integrated Systems, Inc. announced it has expanded its product line to include the availability of key, high-performance discrete small-signal parts in Dual-Flat No-Leads packages (DFN). This package has a reduced circuit board footprint, enabling designers who had previously used SOT-23 packaged parts to meet the demands of space-sensitive applications. Because the DFN has no […]

Filed Under: Applications, Audio, Medical, Products, Resistors, Switches, Tools Tagged With: linearintegratedsystemsinc

Chip resistors are AEC qualified

November 5, 2021 By Redding Traiger

Electronics that require high reliability are no longer confined to military, aerospace, medical, or automotive market sectors. Many types of electronic end products now demand the higher reliability provided by automotive-grade resistors. Automotive-grade resistors offer increased reliability without the high cost of established reliability Mil-Standard products which allows engineers to increase the reliability of their […]

Filed Under: Aerospace & Defense, Applications, Automotive, Medical, Products, Resistors, Tools Tagged With: stackpole

Dual-band WiFi antennas optimized for 2.4GHz and 5GHz applications

September 24, 2021 By Redding Traiger

AVX Corporation released a new series of IP67-rated, external, dual-band Wi-Fi antennas optimized for 2.4GHz and 5GHz applications. The new X9001748 Series external, dual-band Wi-Fi antennas have a standardized, ready-to-use, RoHS-compliant design with IP67 sealing for reliable outdoor operation and provide high-gain, high-efficiency, and high-reliability performance in low- and high-band applications with a variety of device configurations and […]

Filed Under: antennas, Applications, Connectivity, Consumer, IoT, Medical, Products, Telecommunications, Tools Tagged With: AVX Corporation

Single-chip AFE integrates optical, ECG, and bio-impedance measurement systems

September 21, 2021 By Redding Traiger

Simplify the design of wearable remote patient monitoring (RPM) devices by measuring four vital signs with one MAX86178 triple-system vital signs analog front end (AFE) from Analog Devices, Inc. This single-chip AFE integrates three measurement systems (optical, ECG, and bio-impedance) to obtain four common vital signs: electrocardiogram (ECG or EKG), heart rate (ECG or optical […]

Filed Under: Medical, Products, Tools, Wearables, Wireless Tagged With: analogdevices

Small nichrome chip resistors handle 0.05 W

August 31, 2021 By Redding Traiger

As design engineers continue to push the miniaturization of electronic devices while maintaining or increasing functionality, there is a corresponding need for smaller and more precise electronic components, such as chip resistors. If a precision application requires both small size and high-power handling, finding suitable precision resistors may be challenging. Stackpole recently increased the power […]

Filed Under: Applications, Audio, Consumer, Medical, Products, Resistors, Telecommunications, Tools Tagged With: stackpole

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