IEEE Communications Magazine · 1999 · 111 citations · 6 references
EngineeringCommunicationElectrical EngineeringMicrowave EngineeringSystems ArchitectureWireless CommunicationsAntenna DesignMicrowave Integrated CircuitsMobile Device ArchitectureRadio-frequency Integrated CircuitsReceiver SystemsStage ArchitectureDirect Conversion ReceiversRadio Frequency Front EndsRadio Frequency TransceiversReceiver Front-endsSoftware Defined RadioSoftware-defined ReceiversTransceiver ArchitecturesTransmitter Front-ends
Broadband RF is a general-purpose common RF stage for every standard within a set of RF bands. The RF stage architecture presented in this article is suitable for software-defined radios. This article first defines the conceptual scheme of a handheld software defined radio (SDR) terminal, and then describes how the direct conversion principle is applied to the SDR. The discussion focuses on receiver hardware implementation and systematic control.
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A 1.9 GHz Si direct conversion receiver IC for QPSK modulation systems
C. Takahashi, Ryuichi Fujimoto, Satoshi Arai et al. · 2002 · 55 citations
Engineering, Electrical Engineering, Digital Communication +16