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    A Linear Regulator

    The LT3042 is a high performance low dropout linear regulator with LTC's ultralow noise and ultrahigh PSRR architecture, designed to power noise sensitive RF applications. The LT3042, which is designed as a precision current reference followed by a high performance voltage buffer, can be easily...
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    Mobile Phone Earphone Troubles

    Nice to here , I have two questions about earphones. first: Do you know how sound of mobile vibration travels through wire of earphones? This may sound dumb, but I have been observing that, If my mobile phone is placed on the wire of my hands free (earphones) and if my mobile vibrates, I could...
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    Nice to be here. I am a seller that engaging in consumer electronics and electronic...

    Nice to be here. I am a seller that engaging in consumer electronics and electronic components. You can see the products in 3celectrons Mall ( https://3celectrons.com/ ). Best regards~
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    DIY rechargeable drill battery

    Dismantled a portable charger. Four 18650 batteries. Look at the battery label. Cut the original nickel belt, two parallel, composed of a 7.2V battery pack. Welding. Slotted in the box. Just to put the welding point. The wire should also be slotted and placed inside...
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