Design of broadband, highly integrated, 20-30 GHz and 35-45 GHz MMIC up-converters
The design of broadband, highly integrated up-converters is described. Two up-converters have been designed to reduce the complexity and cost of broadband millimetre wave systems by integrating a number of functions into a compact MMIC. Broadband performance was achieved for 20-30 GHz and 35-45 GHz with OIP3 exceeding 24 and 15 dBm, respectively; 2xLO leakage better than 3 dBm and excellent gain control. To our knowledge, this is the highest level of integration achieved for an up-converter at these frequencies.
Broadband integrated millimeter-wave up- and down-converter GaAs MMICs
The architecture and design of broadband, highly integrated up- and down-converters in GaAs pHEMT technology is described. Two up-converters and two down-converters have been designed to reduce the complexity and cost of broadband millimeter-wave systems by integrating a number of functions into compact MMICs. Broadband performance was achieved for approximately 17-35GHz (low band) and 30-45 GHz (high band) with up-conversion input-referred,third-order intercept point exceeding 12 and 10 dBm, respectively, with good 2× local oscillator leakage and excellent gain control. To the best of the authors' knowledge,this is the highest level of integration achieved for up- and down-converters at these frequencies.
Old English Manuscripts in the Early Age of Print: Matthew Parker and his Scribes
Covering the first dedicated program in the study of and publication of Anglo-Saxon texts, my dissertation examines the sixteenth-century origins of medieval studies as an academic discipline. By placing recent scholarship on media, materiality, cognition, and intellectual history in conversation with traditional paleographical methods on medieval and renaissance manuscript culture, I argue for a new way of understanding how early modern scholars studied and presented the medieval past. I take as my focus a corpus of emulative Anglo-Saxon manuscript transcriptions produced under Elizabethan Archbishop Matthew Parker. Equal parts facsimile and edition, these transcriptions are a unique example of early modern scholars navigating the often competing demands of late sixteenth century manuscript and print culture. This dissertation is, in part, an attempt to catalogue and document the extent of Parkerian Anglo-Saxon manuscript transcriptions. Temporally displaced from their source texts, Parker and his scribes directly modified many of the medieval manuscripts they recovered by editing, rebinding, cropping, and annotating them according to their own interpretive desires and publication needs. These transcriptions place Parker’s early modern scribes into the textual community of early medieval scribal culture, but their printed manuscript editions are an attempt to bring medieval documents into contemporary discourse. They developed new typefaces modeled on manuscript exemplars and attempted to reframe the printed version of a medieval text as an authoritative surrogate