Same Sky’s Audio Group has expanded its speaker portfolio with additional receiver models intended for over-the-ear applications. The CMR receiver family targets compact mechanical envelopes while providing a wide acoustic output range, with sound pressure levels specified from 103 to 135 dB when measured using an artificial ear. The new receivers are offered in package […]
Applications
Thermal system supports low-power devices under 10 W load
Ironwood Electronics has introduced the Imperium line of thermal control systems designed for temperature characterization of semiconductor devices across a range of −55 °C to +155 °C. The initial model supports devices with power dissipation below 10 W and achieves a temperature ramp rate of 80 °C per minute. The system is engineered to maintain […]
Common-mode chokes suppress noise for current up to 15 A
Bourns, Inc. announced its SRF7038A Series AEC-Q200 compliant, automotive-grade common-mode chokes. The new high current chokes feature an extended current capability up to 15 A and a broad impedance range of 70 to 3000 ohms. These features make the SRF7038A an excellent power line Electromagnetic Interference (EMI) suppression solution for use in consumer, industrial, and automotive systems. […]
Bidirectional 6-channel multiplexer operates from 1.08-3.63 V
Nexperia announced the latest addition to its portfolio of AEC-Q100 (grade 1) qualified devices that deliver the reliability required for demanding automotive applications. The NMUX27518-Q100 is a bidirectional 6-channel 2:1 multiplexer, making it ideal for enabling memory expansion via a qSPI port in safety-critical in-vehicle applications like the advanced driver assistance systems (ADAS) domain controller, […]
Ultra-compact op amp achieves 160 nA operating current
ROHM Semiconductor announced the development of the TLR1901GXZ, an ultra-compact CMOS operational amplifier (op amp) that achieves the industry’s lowest operating circuit current. Optimized for use as a sensing amplifier, this IC is ideally suited for space-constrained applications such as handheld measurement instruments, wearable devices, and indoor motion detectors. As the demand continues to grow for more sophisticated control […]
What are attention mechanisms, and how do they work in speech and audio processing?
Attention mechanisms are very useful innovations in the field of artificial intelligence (AI) for processing sequential data, especially in speech and audio applications. This FAQ talks about how attention mechanisms work at their core, how they are used in automatic speech recognition systems, and how transformer architectures can handle advanced audio processing. What are the […]
Automotive Class-D amplifier operates -40 °C to +105 °C
Nuvoton has released the NAU83U25YG, an automotive-grade Class-D audio amplifier designed for vehicle electronics applications. The stereo amplifier delivers 3W output power into 4Ω loads or 1.7W into 8Ω loads, operating with digital I2S input signals and featuring I²C-controlled gain adjustment from 22 dB to -62 dB. The NAU83U25YG meets AEC-Q100 automotive qualification standards and […]
How op amps work and why you should use them: part 3
Operational amplifiers (op amps) are almost the perfect amplifier. As long as you keep a few important details in mind, their imperfections will seem invisible. In part 1, Equations 2 and 3 used the term AV for the voltage gain of the simple noninverting amplifier shown in Figure 1. The equations use α for the […]
ADCs target mid-tier audio market
Cirrus Logic has announced the release of four new audio converters for its Pro Audio product family: two analog-to-digital converters (ADCs) and two digital-to-analog converters (DACs). The components are designed for HiFi playback systems, installed audio infrastructure, professional audio equipment, musical instruments, and USB audio interfaces. The devices expand the company’s existing converter portfolio to […]
Class-D amplifiers operate at 2 MHz switching frequency to reduce PCB space
STMicroelectronics has revealed new class-D automotive audio amplifiers for smart-cockpit applications, engineered for tiny overall dimensions and with a digital input that simplifies circuit design. The new HFDA80D and HFDA90D extend ST’s family of high-frequency automotive amplifiers, complementing the HFA80A analog-input IC. All the devices operate at a switching frequency of 2MHz to save PCB […]
