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Air-core transformer - All Countries

  •  Electric engineering, automation, process control engineering
    •  Transformer, converter, coil
      •  Output transformer  (6 Companies)
        •  Air-core transformer  (1 Company)

 

 

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BRANDT GmbH & Co. KG, Lage, 32791, Germany

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Air-core transformer
172 Tuned air-core transformer. Here a sinusoidal voltage E1 may be impressed on the primary circuit by a vacuum tube amplifier. - If the primary circuit is made to resonate at a different frequency from the secondary, audio response is much worse, and considerable distortion is likely. Moreover, the response at mean frequency is less than it would be if the circuits were properly tuned. Air-core transformers are usually made adjustable for tuning and coupling.
 
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Air-core transformer


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As far as the power supply knows, its powering a 15 625 R=E/I load at 125 volts, not a 62 5 load! The voltage and current figures for the primary winding are indicative of 15 625 load impedance, not the actual 62 5 of the load itself. In other words, not only has our step-up transformer transformed voltage and current, but it has transformed impedance as well. - Air core transformers Another kind of special transformer, seen often in radio-frequency circuits, is the air core transformer.
For air-core transformer, currently what is the maximum efficiency can be achieve ? Is it possible to change the input voltage supply to step input of. - Is it possible to change the input voltage supply to step input of 12 V? Any website have the information for air-core transformer? Thanks for your help. - The frequency has a lot to do with it. Iron core transformer are no good in the RF band because of all the losses. - Similar Threads Homebrew pulse transformer using a ferrite bead core.
CREATE MY air-core tra. - Iron-core transformers serve analogous functions in the audio-frequency range. - " Encyclopædia Britannica. 2010 Encyclopædia Britannica Online. 05 Oct. 2010 core-transformer>. - Assorted References description in transformer electronics Air-core transformers are designed to transfer radio-frequency currents i. E. The currents used for radio transmission;they consist of two or more coils wound around a solid insulating substance or on an insulating coil form.
Hutchinson encyclopedia article about Air-core transformer. - Information about Air-core transformer in the Hutchinson encyclopedia. Printer Friendly Dictionary, Encyclopedia and Thesaurus-The Free Dictionary2, 375, 162, 115 visitors served. - The same formula applies as for a step-up transformer, so if there are 2, 000 turnings on the primary coil and 200 turnings on the secondary coil, then the voltage induced in the secondary coil is ten times smaller than the primary coil voltage. How to thank TFD for its existence?
The degree of coupling mutual inductance between windings in such a transformer is many times less than that of an equivalent iron-core transformer, but the undesirable characteristics of a ferromagnetic core eddy current losses, hysteresis, saturation, etc. Are completely eliminated. - When isolation is required the over winding is added over one end of the main winding. Air core transformers are used at radio frequencies when iron core losses are too high.
While many transformers have ferromagnetic core materials, there are some that do not, their constituent inductors being magnetically linked together through the air. - Air core transformers may be wound on cylindrical a or toroidal b forms. Center tapped primary with secondary a. Bifilar winding on toroidal form b. The inside tapped solenoid winding, Figure a above, without the over winding, could match unequal impedances when DC isolation is not required.


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