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Audio

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

Notch filters boast built-in ESD protection function

March 15, 2022 By Redding Traiger

TDK Corporation announces the release of its newly developed AVRF041A150MT242 and AVRF061D2R4ST532 notch filters with ESD protection function. Volume production of these devices will begin in March 2022. The new notch filters are compliant with the IEC61000-4-2 Level 4 immunity standard. They are well suited to ensuring EMC requirements are met in the audio circuits […]

Filed Under: 5G, Audio, filters, IoT, Products, Telecommunications, Tools, Wireless Tagged With: tdkcorporation

N-channel JFET switch replaces discontinued NXP/philips BF510 devices

March 8, 2022 By Redding Traiger

Linear Integrated Systems, Inc. announced it has released a direct, pin-for-pin replacement for the Philips/NXP BF510. Per an NXP discontinuation notice published in June 2020, this part is no longer manufactured or supplied by NXP. The new Linear Systems’ LSBF510 is an N-Channel Single JFET for applications up the VHF range. The part’s features are: […]

Filed Under: Audio, Products, Switches, Tools Tagged With: linearintegratedsystemsinc

Infineon’s latest class D audio module delivers higher output power, smaller footprint

February 22, 2022 By Redding Traiger

Class D audio power amplifiers offer a combination of small size, low heat dissipation, high integration, and excellent sound quality. Unlocking the potential of its best-in-class power MOSFET technology, Infineon Technologies AG introduces the MERUS 2-channel, analog input, class D audio amplifier multichip module (MCM) MA5332MS. It is a powerful upgrade to its predecessor, offering the same […]

Filed Under: Amplifiers, Audio, Consumer, Industrial, Products, Tools Tagged With: infineon

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

Evaluation board helps check out SMD oscillators, VCXOs, TCXO/VCTCXOs

November 3, 2021 By Redding Traiger

The desire to be able to test oscillators quickly and easily is more than achievable using the IOSC EVBoard. The evaluation board is suitable for measuring most surface mount standard oscillators, VCXOs, or TCXO/VCTCXOs. It is available from IQD, part of the Würth Elektronik eiSos Group, and a selection of distributors. The IOSC EVBoard comes […]

Filed Under: Applications, Audio, Clocks & Timing, PCB design, Products, Tools Tagged With: IQD

Compact micro buzzer features 2-mm profile, SPL of 65 dBA at 10 cm

October 28, 2021 By Redding Traiger

CUI Devices’ Audio Group announced the introduction of a 3.2 mm x 3.2 mm magnetic transducer buzzer, making it among the smallest micro buzzers in the industry. As the latest addition to CUI Devices’ micro buzzers line, the CMT-322-65-SMT-TR features a low profile of 2 mm, surface mount packaging, and a sound pressure level (SPL) of 65 dBA at 10 […]

Filed Under: Applications, audio, Audio, Products, Tools Tagged With: cuidevices

Class-D stereo amplifier drives 12 W and 4Ω speakers

October 13, 2021 By Redding Traiger

Diodes Incorporated introduces the PAM8965 Class-D stereo audio power amplifier with an integrated synchronous boost converter. This high-efficiency device is targeted for use in AI-enabled speaker systems and portable musical instruments – where elevated output power, extended battery life, and compact construction are all key requirements. Running off a 2.8V to 8.5V supply, the PAM8965 has […]

Filed Under: Amplifiers, Applications, Artificial Intelligence, Audio, PCB design, Products, Tools Tagged With: diodesinc

Automotive-grade polymer chip caps exhibit low DCL, benign failure mode

September 16, 2021 By Redding Traiger

AVX Corporation released the new TCO Series high-temperature, automotive-grade polymer chip capacitors, which are rated for operating temperatures up to 150°C at category voltage and meet AEC-Q200 Stress Test Qualification for Passive Components requirements, which ensure stable performance at 85°C, 85% relative humidity, and rated voltage for up to 1,000 hours. Based on AVX’s field-proven TCQ Series automotive […]

Filed Under: Applications, Audio, Automotive, Capacitors, Industrial, Products, Telecommunications, Tools Tagged With: AVX Corporation

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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