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US9209838B2
(en)
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Low-cost receiver using integrated inductors
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BE409768A
(https=)
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CN102055415B
(zh)
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高频放大器与无线电通信装置
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US2131193A
(en)
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Transformer coupling for television amplifiers
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BE362743A
(https=)
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BE414060A
(https=)
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BE495963A
(https=)
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US1717455A
(en)
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Selector and receiver for radio frequency energy
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US1973037A
(en)
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Amplification system
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US1866655A
(en)
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Filter for preventing distortion
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JPS6214926B2
(https=)
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US2055996A
(en)
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Band-pass amplifier
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BE407480A
(https=)
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CH96568A
(fr)
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Installation pour communications téléphoniques sur lignes, avec un dispositif amplificateur comportant des relais électroniques à trois électrodes.
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CH261513A
(fr)
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Transformateur à large bande, pour de très hautes fréquences.
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BE344522A
(https=)
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CH109995A
(fr)
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Variomètre.
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BE409674A
(https=)
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BE391963A
(https=)
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BE403645A
(https=)
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Baker
|
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The Design of High Frequency Transformers |
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BE396659A
(https=)
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GB190007777A
(en)
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Improvements in Apparatus for Wireless Telegraphy.
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BE354612A
(https=)
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JP2011018987A
(ja)
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フィルタ装置
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