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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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Часто в составе симметричных антенны используется BalUn, или, по русски говоря, симметрирующий трансформатор.
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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
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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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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.
КВ антенна «Длинный провод» (Long Wire) или «верёвка» для диапазона 1,6...50 МГц
Windings are inserted into Teflon tubes increasing total breakdown to 10,000 volts. Power Rating. 3 to 31 MHz - up to 1kW intermittent (50% duty cycle) Useable Frequency. 3 to 31 MHz. Insertion Loss. 0.3 to 1.65 db based on frequency. Connectors. SO-239 connectors are silver plated with Teflon insulation.
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Sharman V-2000 6m/2m/70cm Triple Band Base Antenna. Sharman Multicom. $92.13. IN STOCK. Sirio Performer 5000 3/8" LED - Trucker CB Antenna + LED. Sirio. $51.18. The Moonraker MU-9 is the perfect Unun for long wires. It has an impedance ratio of 9:1 and lets you connect unbalanced devices together.
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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.
"Шалунбалун" это необычная настольная игра от компании Bondibon, рассчитанная на детей от 8
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.
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О процессе изготовления симметрирующего трансформатора для подключения симметричных антенн диполь, inv-V к.
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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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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.
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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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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.
КВ антенна «Длинный провод» (Long Wire) или «верёвка» для диапазона 1,6...50 МГц
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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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.
