QUADRATURE OSCILLATOR CIRCUITRY AND CIRCUITRY COMPRISING THE SAME

Quadrature oscillator circuitry, comprising: a first differential oscillator circuit having differential output nodes and configured to generate a first pair of differential oscillator signals at those output nodes, respectively; a second differential oscillator circuit having differential output no...

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Hauptverfasser: MIKHAEL, David Hany Gaied, GERMANN, Bernd Hans
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:Quadrature oscillator circuitry, comprising: a first differential oscillator circuit having differential output nodes and configured to generate a first pair of differential oscillator signals at those output nodes, respectively; a second differential oscillator circuit having differential output nodes and configured to generate a second pair of differential oscillator signals at those output nodes, respectively; and a cross-coupling circuit connected to cross-couple the first and second differential oscillator circuits. The cross-coupling circuit may comprise a pair of cross-coupled transistors.