Lakihegy Hungary 873 kHz 4EN
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Lakihegy
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Csontvary
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Lakihegy 873 kHz, 20 kW
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photos: Ivo Hohlfeld and Bernd Waniewski
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Electrical design of antenna tuning unit with filters for 135.6 kHz, 530 kHz, and 810 kHz
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The arrangement of the antenna tuning elements
(Plot: Günther Schlosser)
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Antenna tuning unit with three rejecting filters
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Filter for fo = 135.6 kHz (rejection filter)
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- very right:
filter for fo = 540 kHz,
- in the center:
filter für fo = 810 kHz,
- left:
the elements for transforming to 50 ohms.
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Filter for fo = 810 kHz (rejection filter)
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left: Filter for fo = 810 kHz,
right: capacitor rack for filter for fo = 540 kHz
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Connection to power cable, spark gap
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Photo:
Koncz Miklós
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Condensor C4
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Photo:
Koncz Miklós
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Little inductivity in series to condensor C4 for fine tuning.
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