| 41. | In principle, any filter structure could be applied to impedance matching, but some will result in more practical designs than others.
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| 42. | There are a variety of devices used between a source of energy and a load that perform " impedance matching ".
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| 43. | Also, a folded horn with an exponential taper was constructed inside the cabinet to provide better impedance matching to the air.
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| 44. | Valve amplifiers have a tuned network that serves as both the low pass harmonic filter and impedance matching to the output load.
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| 45. | The Guanella transmission line transformer ( Guanella 1944 ) is often combined with a balun to act as an impedance matching transformer.
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| 46. | For instance, the matching network may be designed as a Chebyshev filter but is optimised for impedance matching instead of passband transmission.
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| 47. | However they are perhaps the least efficient in terms of power-loss ( aside from having no impedance matching at all ! ).
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| 48. | The horn also improves impedance matching between the voice and the air, which produces more acoustic power for a given speaker power.
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| 49. | A bridge tap has no hybrid coil or other impedance matching components, just a T ( or branch ) in the cable.
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| 50. | This gain is a form of impedance matching to match the soundwave travelling through air to that travelling in the fluid membrane system.
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