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Tuning-Boxes for Magnetic Antennas

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Published on Aug 11, 2016

Roger introduces 4 new tuning-boxes designed for tuning a magnetic antenna like a loopstick- (ferrite-rod), a frame-, loop- or spiderweb-antenna or any other (inductive) magnetic antenna.
2 models are for tuning with a variable capacitor of the plastic-film type. The other 2 models use varactor-diodes for tuning.
The tuning-boxes are designed for greatest versatility, highest Q-factor and sensitive frequency tuning.
The signal from the resulting resonant LC- or tank-circuit is buffered with a JFET so that the Q-factor of the LC-circuit is not diminished (only 10 Mohm load-resistance to the LC-circuit).
Input-connection is with high-quality binding-posts that also accept 4mm banana-plugs with 19mm spacing.
Output-connection is with 4mm banana jacks or with a BNC-connector.

Detailed Description, Datasheets, Schematics etc:
ANTENNA-TUNER1:
http://www.ak-modul-bus.de/stat/magne...
ANTENNA-TUNER2:
http://www.ak-modul-bus.de/stat/magne...

Shop: http://www.ak-modul-bus.de/stat/radio...

German Channel: https://www.youtube.com/channel/UCvYd...
Forum: https://forum.kainkalabs.com/forumdis...
Shop: http://www.ak-modul-bus.de/

twitter: http://twitter.com/kainkalabs
facebook: http://facebook.com/kainkalabs

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