Electronically adjustable balanced-to-unbalanced converters (bal

Details Electronically adjustable balanced-to-unbalanced converters (bal Electronically adjustable balanced-to-unbalanced converters (bal

1997-07-23

1999-12-28

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455323, H04B 126

Patent

active

060093188

ABSTRACT:
Electronically adjustable baluns and electronically adjustable balanced-to-unbalanced converting methods are provided. The electronically adjustable baluns are responsive to an electronic tuning signal to electronically vary the frequency range thereof. The baluns may include an electronically variable transformer, capacitor or inductor or switched transformers, inductors or capacitors, or combinations of these elements.

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patent: 4619001 (1986-10-01), Kane
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patent: 4921465 (1990-05-01), Hietala et al.
patent: 5115214 (1992-05-01), Gassmann et al.
patent: 5553319 (1996-09-01), Tanbakuchi

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