A self calibrating quadrature generator with wide frequency range

Durec, J.

doi:10.1109/rfic.1997.598763

Cited by 7 publications

(1 citation statement)

References 3 publications

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“…A delay locked loop (DLL) is used to adjust the phase error in a quadrature generator. 45 A phase detector controls the current in the phase shifter and adjusts the phase different between two split paths. The duty cycle of the clock signal is changed to compensate for the phase imbalance at the output of the divide-by-two circuit by adding a DC level component to the flip-flop clock.…”

Section: Quadrature Generationmentioning

confidence: 99%

Fully Integrated Frequency Synthesizers: A Tutorial

Moon

Valero-Lopez²,

Sánchez-Sinencio

2005

Int. J. Hi. Spe. Ele. Syst.

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Frequency synthesizer is a key building block of fully-integrated wireless communications systems. Design of a frequency synthesizer (FS) requires the understanding of not only the circuit-level but also of the transceiver system-level considerations. The FS design challenge involves strong trade-offs, and often conflicting requirements. In this tutorial, the general implementation issues and recent developments of frequency synthesizer design are discussed. Simplified design approach should provide readers with sufficient intuition for fast design and troubleshooting capability. Open problems in this FS field are briefly discussed.

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Section: Quadrature Generationmentioning

confidence: 99%