common core choke
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Antennas : Feed Lines : Choke
- Chokes and Temperature changes
- The influence of temperature changes in Common Mode Chokes. To get an indication of the impedance behavior when the core temperature changes, the author tested a CMC by heating it with a hairdryer, and measuring its temperature with an infrared thermometer. When the CMC temperature rises from 30C to 90C, the frequency of maximal impedance shifts down from ca.10 MHz to ca.7.2 MHz, or by a factor 1.4.
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- Chokes and Isolation Transformers for Receiving Antennas
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- Chokes and isolation transformers are essential for receiving antennas to mitigate common mode current, which induces noise and interferes with signal quality. Common mode chokes, formed by winding feedline through ferrite cores, block unwanted current effectively. Proper selection of core material and winding turns ensures resonance near the operating frequency, reducing interference. Isolation transformers further minimize interference, crucial for multi-transmitter stations.
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- CET Technology
- Manufactures Flyback, Switching, Audio, Toroidal, Current Sense & Custom Trasformer, Drumcore & PFC Inductor, Common Mode Chokes.
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- Ferrite and common-mode choke
- Finding the the best ferrite material for a common-mode choke. How to create efficient ferrite cores and how to measure them
[ Hits: 185 | Votes: 1 | Rating: 10 ]
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