КВ антенна «Длинный провод» (Long Wire) или «верёвка» для диапазона 1,6...50 МГц

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The 1:9 voltage balun has 5 turns wound evenly spaced around the L15 ferrite toroid core with the five individual windings wound close together. The toroidal core was wrapped in an overlapping layer pink heavy duty Teflon plumbers tape to protect the enamelled copper wire from insulation puncture from abrasion with the toroid core.

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The Salukis are 3-1 in MVC play. Southern Illinois is sixth in the MVC scoring 75.0 points per game and is shooting 47.5%. Valparaiso averages 6.9 made 3-pointers per game, 2.2 more made shots.

КВ антенна «Длинный провод» (Long Wire) или «верёвка» для диапазона 1,6...50 МГц

Bradley's average of 8.4 made 3-pointers per game this season is only 0.7 fewer made shots on average than the 9.1 per game Evansville allows. Evansville has shot at a 47.0% clip from the field.

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Балун 9:1 за дълга жица « -: 22 Май, 2023, 13:12:28 » Здравейте, искам да изработя балун 9:1 по подобите на снимката, но нямам сърцевини. Някой може ли да даде инфо от къде могат да се намерят, както и насоки за изработката. Нямам лабораторни уреди за измерване и всичко трябва да е едно към гьоторе или на око както му казваме

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Balun One Nine v1 - Tiny Low-Cost 1:9 HF Antenna Balun and Unun with Antenna Input Protection for Ham It Up, RTL-SDR, HackRF and Other HF-Capable Radios. Great for DIY Dipole and Longwire Antennas Visit the NooElec Store 4.5 648 ratings | 45 answered questions Amazon's Choice in Radio Antennas by NooElec $1495

Всё о расчёте балуна

A video balun will send video from a security camera that has a BNC connector back to the DVR, but will not provide power to the camera. You still need to run an additional 2-lead power cable or use an individual power adaptor at the site of the camera. The maximum length of video transmission varies depending on the signal type of the BNC camera.

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1:1 AIR CORE BALUN FOR HF ANTENNA DIPOLES 1.8 TO 30 MHZ 1KW 50 OHMS. $41.99. Free shipping.

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Downward impedance transformation by factor of 9. i.e. 450 ohms to 50 ohms. Winding Material: 14 gauge Superior Essex Heavy build polyamideimide Allex 240 Winding Wire. Windings are inserted into Teflon tubes increasing total breakdown to 10,000 volts. Power Rating: 1 to 35 MHz - 5kW, 35-54 MHz - 4kW: Useable Frequency : 1 to 54 MHz: Insertion Loss

Антенна (провод 16.2м, балун 91 )Antenna Long Wire con Balun 91 YouTube

So, the difference between 1:49 and 1:64 is 1*N turns, where N is the number of turns on the primary :-). Ah. That's true. It's the difference. Makes sense. The balun (actually UnUn here) is, generally speaking, not going to change the resonant frequencies of your wire.

КВ антенна «Длинный провод» (Long Wire) или «верёвка» для диапазона 1,6...50 МГц

Часто в составе симметричных антенны используется BalUn, или, по русски говоря, симметрирующий трансформатор.

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📻 Антенный BALUN 9:1 для SDR (балун - симметрирующий - трансформатор - сопротивлений) для Long Wire - YouTube BALUN 1:9 HF - Согласующий трансформатор для антенн "Длинный провод",.

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Characteristics Techniques v t e A balun / ˈbælʌn / (from "balanced to unbalanced", originally, but now derived from " balancing unit ") [1] is an electrical device that allows balanced and unbalanced lines to be interfaced without disturbing the impedance arrangement of either line. [2]

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Details Small, light baluns for 80m-10m, maximum 100W PEP (CW or SSB). The baluns are in a plastic case fitted with snap-on lid, with vents on the bottom. The covers are not glued, the baluns are therefore not permanently waterproof. If in doubt, helps a soapbox. Models with ratio 1:1 and 1:4 are 'normale'Baluns.

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An excellent way to attach a long wire antenna to the Ham It Up, this 1:9 balun has an SMA output port and high-quality spring-type terminal block input for your coax. Balun One Nine includes an AntennaGuard varistor on the input, protecting your SDR setup from spurious ESD. The ESD protection is excellent--it passes IEC61000-4-2, an 8kV.

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Two council members from the City of Oakland have mailed a letter to Oakland Athletics President Dave Kaval expressing their concerns with his club's decision to block a minor league game by the.

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Completed 9:1 UnUn. These are sometimes known as a Magnetic Longwire Balun. Its really an impedance transformer (9:1) to feed a high impedance, end fed (unbalanced) random wire which is likely to be a few hundred ohms, and transform it into something closer to a 50Ω (unbalanced) coaxial input, hence UnUn. It can however also be used as a balun.