Wideband analog lowpass filter
A low pass filter includes an RF input terminal, an RF output terminal, a plurality of inductors coupled in series between the RF input and output terminals, at least one electrically tunable capacitor coupled between ground and a node of one of the inductors. At least one of the inductors includes...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A low pass filter includes an RF input terminal, an RF output terminal, a plurality of inductors coupled in series between the RF input and output terminals, at least one electrically tunable capacitor coupled between ground and a node of one of the inductors. At least one of the inductors includes a winding, and a resistance and a capacitance coupled in series across a portion of the winding to enhance the out of band rejection of the low pass filter. |
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