A fully digital multimode polar transmitter employing 17b RF DAC in 3G mode

A direct quadrature voltage modulator has been disclosed and current mode upconversion mixer with linearity boosting technique as preferred concepts for WCDMA transmitters (TX), enabling a solution for TX noise reduction at some duplex distances. Two problems remain unsolved: how to remove the TX SA...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Boos, Z, Menkhoff, A, Kuttner, F, Schimper, M, Moreira, J, Geltinger, H, Gossmann, T, Pfann, P, Belitzer, A, Bauernfeind, T
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Clocks Modulation Multiaccess communication Noise Radio frequency Spread spectrum communication Transmitters
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