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  • Your Valuable Advices are Highly Welcomed!-For FU-R01 project


    Posted on:12-10 View:2481
  • How to return goods to us for repair?

    If there is problems with our product and you can't fix it at your end, you can send it back to us for repair following the instructions below: DO's 1. Please contact us before sending back the item. 2. Please declare goods as CAR AUDIO AMPLIFIER, value below 300usd. 3.

    Posted on:12-10 View:1116
  • Unusual Extension Highlights Scope of EAS Changes

    Why did the FCC extend the deadline for the public to comment about changes to the Emergency Alert System in the United States? Behind the scenes, equipment manufacturers and broadcast groups have been mulling over extensive changes that the Federal Communications Commission has propo

    Posted on:12-10 View:1016
  • MOSFETs and MOSFET drivers

    1. Introduction MOSFETs come in four different types. They may be enhancement or depletion mode, and they may be n-channel or p-channel. We are only interested in n-channel enhancement mode MOSFETs, and these will be the only ones talked about from now on. There are also logic-level MOSFE

    Posted on:07-29 View:3263
  • What is a MOSFET, what does it look like, and how does it work?

    Pronounced MAWS-feht. Acronym for metal-oxide semiconductor field-effect transistor. These are used in many scenarios where you want to convert voltages. On your motherboard for example to generate CPU Voltage, Memory Voltage, AGP Voltage etc. Mosfets are usually used in pairs. If you see six mo

    Posted on:07-29 View:4043
  • What is DRM?

    The Digital Radio Mondiale is a digital radio standard that has been designed by broadcasters, for broadcasters, with the active assistance and participation of both transmitter and receiver manufacturers and other interested parties (such as regulatory bodies). It has been designed specificall

    Posted on:07-14 View:2545
  • How to DIY Bug Detector?

    Notes: This circuit can be used to "sweep" an area or room and will indicate if a surveillance device is operative. The problem in making a suitable detector is to get its sensitivity just right; too much and it will respond to radio broadcasts, too little sensitivity and nothing

    Posted on:06-24 View:1811
  • From the FCC, a Cautionary Note About Experimental Licenses

    A licensee of experimental AM booster stations in Puerto Rico was denied a request to set up another one because, according to the Federal Communications Commission, “nothing new or groundbreaking ” would be achieved. Though he concurred in this ruling, Commissioner Ajit Pai wrote that AM

    Posted on:06-22 View:1386
  • Microsoft Lops Off Mobile FM Radio App

    Microsoft has opted to remove the free FM Radio app from the latest version of its Windows 10 Mobile phone operating system. Some radio industry observers use words like “disappointing” and “short-sighted” in reacting to the development but cautioned against reading too much into it. Th

    Posted on:05-30 View:759
  • What to do if you lost DAB radio reception?

    If you're losing DAB reception when it was previously good, the causes can be different depending on exactly what you've lost and what you can still hear. DAB stations are grouped together in digital multiplexes. You may receive more than

    Posted on:05-27 View:898
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