Hand-held dual synchronous DDS signal generator

Zhongwen Jin, Wuqiang Yang

    Research output: Contribution to journalArticlepeer-review

    Abstract

    A hand-held dual synchronous direct digital synthesis (DDS) signal generator has been developed that employs two DDS chips, capable of producing two wide-frequency-range signals with fully adjustable phase shift. DDS is a techniques of using digital data processing as a means to generate a frequency and amplitude-tunable output signal referenced to a fixed-frequency precision clock source and then performing a digital-to-analog conversion in the form of a single chip. The resulting instrument can be useful for applications where two signals of adjustable phase are required. The instrument can produce fully adjustable signals in terms of frequency, amplitude and phase. The generated signals were examined using Agilent 54622A oscilloscopes. The DDS generator can be popular in the market because of its low cost, convenient use and more accurate than conventional analog-based signal generators.
    Original languageEnglish
    Pages (from-to)20-25
    Number of pages5
    JournalElectronics World
    Volume112
    Issue number1843
    Publication statusPublished - Jul 2006

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