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  • How to make a simple and FREE TV antenna YouTube

    03.11.2016· Want more great tips on cord cutting? Go to https://cordcuttingreport/ for more tips!Join the newsletter: https://goo.gl/oWRqMNFollow me on Google News:

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  • Electronics Projects: How to Add an Antenna to a Crystal

    Electronics Projects: How to Add an Antenna to a Crystal Radio Circuit. By Doug Lowe . A good, long antenna is an electronic component vital to the successful operation of a crystal radio. In general, the longer the antenna, the better. If possible, try make your antenna at least 50′. Longer is better. You can make your antenna from just about any type of wire, insulated or not. RadioShack

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  • How to Design a PCB Antenna for 2.4GHz Circuit Digest

    27.05.2020· The matching circuit is well described in the ESP8266 Hardwear Design Guide. For a quarter wavelength Wi-Fi antenna, the theoretical length should be 31.25mm. Initially, I thought to make the PCB a little bit smaller to do so I was searching for some reference design that's why

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  • Lecture 32 Circuit Properties of Antennas

    Receiving Antennas: Thevenin Equivalent Circuit P out Z o x z d θ Make a Thevenin equivalent circuit for the receiving antenna • The Thevenin impedance Z th is the impedance looking into the antenna and is therefore the same as the antenna impedance Z A • V th is due to the the radiation power received by the antenna and is something that

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  • Simple Active antenna in SW/MW/FM bands ElecCircuit

    11.06.2012· To make a circuit can work well in the circuit wiring. And connect the antenna cable into the jack and the output should be as short as possible. Use the shorter coaxial cable of 50 ohms or 75 ohms from the antenna to this circuit and the radio receivers, too. It will not lose too many signals.

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  • How to Extract Gold from a Circuit Board Earth Lab

    24.08.2018· You can make gold appear from something that isn't gold And this is chemistry, not alchemy!ubscribe: bit.ly/SubscribeToEarthLab All the best Eart...

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  • Homemade metal detector

    diy how to make metal best metal detector for gold prospecting. In our time is a very popular search various artifacts, jewelry, More and more people want to reveal ancient secrets or find a real treasure. For centuries the most common noble precious metal was gold. The most appealing are the jewelry of gold as well as gold bars and coins. For

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  • Finish Makes a Difference in Final PCB Performance 2017

    29.05.2017· For a circuit that is plated with a material having less conductivity than copper, such as electroless nickel immersion gold (ENIG), the high current density at the edges of the transmission lines will use the plated finish more than the copper beneath, resulting in higher conductive loss than when using pure copper.

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  • Electronics Projects: How to Add an Antenna to a Crystal

    Screw the eye screw into the wood, and then simply tie the end of the antenna wire to it. If the wire is uninsulated, you’ll need to support it with something that doesn’t conduct electricity. A PVC pipe fitting makes a good insulator and can be found in the sprinkler parts department of a local hardware store. You can screw this fitting into wood or use duct tape or zip ties to secure it to metal, then loop your

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  • How to Design a PCB Antenna for 2.4GHz Circuit Digest

    The matching circuit is well described in the ESP8266 Hardwear Design Guide. For a quarter wavelength Wi-Fi antenna, the theoretical length should be 31.25mm. Initially, I thought to make the PCB a little bit smaller to do so I was searching for some reference design that's why its written 23mm.

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  • Medium Wave AM Broadcast Band Resonant Loop

    Medium Wave AM Broadcast Band Resonant Loop Antenna.: Medium Wave (MW) AM broadcast band loop antenna. Built using cheap 4 pair (8 wire) telephone 'ribbon' cable,& (optionally) housed in cheap garden 13mm (~half inch) irrigation plastic hose. The more rigid self supporting version better suits se

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  • Printed-Circuit-Board Antennas Electronic Design

    Printed-Circuit-Board Antennas Designing a wireless application today has boiled down to selecting the appropriate chips and integrating them into the product. Often the embedded controller and

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  • Build Your Own Cheap Antenna Analyser Electronics

    If you want to make the project portable, you can replace the PC with a LCD display to show the collected data. This project is open source, you can find and download schematics and code from here . You also can apply your ideas to enhance the project, such as amplifying power for accurate VSWR, adding bluetooth connection to use with tablet, increasing supported frequencies range, and more.

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  • DIY FM Antenna Circuit Diagram

    You can also use this antenna with any FM antenna amplifier or FM antenna booster circuit. The design of this do it yourself antenna is very. simple so any one can make it in few minutes if all required parts are available. This type of antennas are called half wave dipole antenna which is best for a single frequency. For example if you want to receive a FM radio station on 103 MHz so you have

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  • Homemade Coaxial Antenna Cable : 5 Steps Instructables

    Homemade Coaxial Antenna Cable: Hello yet again readers!today i'll be showing you how to make some really simple homemade coaxial cable, for FPV antennas n' stuff.but first, a bit of a disclaimer: i don't know anything about what makes antenna cable "good", but i see no reason why

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  • AN868 Designing Loop Antennas for the rfPIC12F675

    the antenna. Solving the circuit at reso nance for antenna impedance Zin results in: Algebraically manipulating this equation with the previous equations results in these solutions for C 1 and C2: The last term in the numerator for C1 is the inverse of C2, so the equation is rewritten as: Typically C2 will be much larger than C1. In this case, C1 tunes the resonant frequency while C2 indepen

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  • (PDF) Design of rectangular microstrip patch antenna

    07.10.2020· For optimization our antenna circuit, the intention is . to fit the value of reflection coefficient (S11 ) at the . bandwidth, the goal function is to make a value S11 at -10 dB for a bandwidth

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  • Antennas for Low Power Wireless Applications

    Printed Circuit Whip or “Stub” Antenna The whip can be made as a trace on a printed circuit board (PCB). This is very practical at frequencies over 800 MHz. At lower frequencies, a full size whip may be too long, even when wrapped around a few corners. The length of the whip should be 10 to 20% shorter than the calculation, depending on the dielec- tric and the thickness of the board. In

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