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Pipilos S. Papananos Y. Naskas N. Zervakis M. Jakob Jongsma Gschier T. Wilson N. Gibbins J. Carter B. Dann G. 《Solid-State Circuits, IEEE Journal of》2005,40(3):707-718
A fully integrated linearized transmitter for the next generation TETRA systems for PMR and public safety applications in a CMOS-based SiGe technology is described. The presented single-chip transmitter employs a Cartesian feedback loop technique in order to improve the linearity of the externally connected power amplifier. The transmitter is usable in a frequency range from 300 MHz up to 800 MHz, providing a linearity improvement of more than 40 dB. 相似文献
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Pipilos S. Tsividis Y.P. Fenk J. Papananos Y. 《Solid-State Circuits, IEEE Journal of》1996,31(10):1517-1525
A second-order active bandpass filter using integrated inductors was implemented in Si bipolar technology. The filter uses special techniques to make the quality factor and the center frequency tunable. For a nominal center frequency of 1.8 GHz and a quality factor of 35, the filter has 1 dB compression dynamic range of 40 dB, and draws 8.7 mA from a 2.8 V supply 相似文献
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