BD783xxEFJ-M Monaural Series Speaker Amps for Automotive
https://www.electronics-lab.com/bd783xxefj-m-monaural-series-speaker-amps-for-automotive/
ROHM’s amps feature a power package HTSOP-J8 to achieve high output power ROHM’s BD783xxEFJ-M series includes 6 dB to 26 dB voltage gain products. These Class AB amps have no requirements for care about EMI noise. Adopting a power package HTSOP-J8 achieves high output power. The low quiescent current can reduce battery consumption. The shutdown […]
Operational Amplifier Building Blocks
https://www.electronics-lab.com/article/operational-amplifier-building-blocks/
Introduction In the introduction tutorial Operational Amplifier Basics, we have briefly seen that from the same op-amp, many configurations leading to different functions can be adopted, depending on how the feedback loop is designed. In this new tutorial, we propose to detail the most common configurations along with their function. We chose to group the […]
Photodiode Amplifier for Visible Light Using OPA381 – Arduino Nano Shield
https://www.electronics-lab.com/photodiode-amplifier-visible-light-using-opa381-arduino-nano-shield/
The project presented here is a photodiode amplifier for visible light. The output voltage of the circuit increases linearly with light intensity. Low-cost BPW34 photodiode is used as a light sensor and OPA381 op-amp as an amplifier. OPA381 is a transimpedance amplifier that converts photodiode current flow into voltage. The operating voltage of this circuit […]
Free Elektor Project: Q-Watt Audio Power Amplifier
https://www.electronics-lab.com/free-elektor-project-q-watt-audio-power-amplifier/
Good news for all audio enthusiasts: we are proud to present yet another all-analog circuit developed entirely in house. Despite the simple design of this audio power amp with just one pair of transistors in the output stage, Q-Watt can deliver over 200 quality watts into 4 ohms with exceptionally low distortion thanks to the […]
SC2012 – High voltage, precision, bidirectional current sense amplifier
https://www.electronics-lab.com/sc2012-high-voltage-precision-bidirectional-current-sense-amplifier/
The TSC2010, TSC2011 and TSC2012 are precision bidirectional current sense amplifiers. They can sense the current thanks to a shunt resistor over a wide range of common-mode voltages, from – 20 to + 70 V, whatever the supply voltage is. They are available with an amplifier gain of 20V/V for TSC2010, 60 V/V for TSC2011 […]
Single-Ended, 2-Channel GaN Class D Amplifier – Evaluation Board
https://www.electronics-lab.com/single-ended-2-channel-gan-class-d-amplifier-evaluation-board/
The EVAL_AUDAMP24 e-mode GaN HEMT-based evaluation board from Infineon Technologies is a 2-channel, 225W/ch (4Ω at ±43V) or 250 W/ch (8Ω at ±63V) half-bridge class D audio power amplifier for high-end Hi-Fi audio systems. This evaluation board demonstrates how to use the IGT40R070D1 E8220 CoolGaN™ gallium nitride transistor together with the MERUS™ IRS20957SPBF controller IC, […]
ROHM with new 2.8W High Power Speaker Amp ICs for Advanced Instrument Clusters
https://www.electronics-lab.com/rohm-new-2-8w-high-power-speaker-amp-ics-advanced-instrument-clusters/
ROHM recently announced the AEC-Q100 qualified 2.8W output Class AB monaural speaker amplifiers the BD783xxEFJ-M series (BD78306EFJ-M, BD78310EFJ-M and BD78326EFJ-M) ideal for instrument clusters – used in vehicles equipped with autonomous driving and ADAS. In recent years, technological innovations in the automotive field – such as autonomous driving and ADAS – require a greater variety […]
U-AMP – open source versatile audio amp
https://www.electronics-lab.com/u-amp-open-source-versatile-audio-amp/
An open source universal audio amplifier called ‘U-AMP‘ @ GmanModz, that is available on GitHub: Using what I learned getting digital audio working on each systems, I set out on a new project I would call “U-AMP” (Universal-Amp). This would be ONE pcb which has the features of seamlessly integrated speakers and headphones with a […]
USB Powered Audio Amplifier using MAX4298
https://www.electronics-lab.com/usb-powered-audio-amplifier-using-max4298/
USB powered mini speaker amplifier is conveniently powered by USB and it is simple to set up. USB powered speakers are convenient for listening to your media while at home or on the go. Conventional computer speakers that require an electrical outlet to work can be prohibitive because they force you to be close to […]
Mini Speaker Attached Audio Amplifier using TS4871
https://www.electronics-lab.com/mini-speaker-attached-audio-amplifier-using-ts4871/
This Mini Audio Power Amplifier is capable of delivering 1W of continuous RMS Output Power into 8 ohms load @ 5V. The Amplifier is built using TS4871 IC from ST. This Audio Amplifier is exhibiting 0.1% distortion level (THD) from a 5V supply for a Pout = 250mW RMS. An external standby mode control reduces […]