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dc.contributor.authorLiu, Changen
dc.contributor.authorYan, Yuepengen
dc.contributor.authorGoh, Wang Lingen
dc.contributor.authorXiong, Yong-Zhongen
dc.contributor.authorZhang, Lijunen
dc.contributor.authorMadihian, Mohammaden
dc.identifier.citationLiu, C., Yan, Y. P., Goh, W. L., Xiong, Y. Z., Zhang, L. J., & Madihian, M. (2012). A 5-Gb/s automatic gain control amplifier with temperature compensation. IEEE journal of solid-state circuits, 47(6), 1323-1333.en
dc.description.abstractThis paper presents an automatic gain control (AGC) amplifier with temperature compensation for high-speed applications. The proposed AGC consists of a folded Gilbert variable gain amplifier (VGA), a dc offset canceller, inductorless post amplifiers, a linear open-loop peak detector (PD), an integrator, a symmetrical exponential voltage generator, and a compensation block for temperature stability. The novel temperature compensation scheme ensures the AGC stability and accuracy over -20°C-200°C by predicting the integrator biasing voltage based on the crucial blocks duplication technique. The proposed linear open loop PD combined with the linear-in-dB VGA manages the dB-linear error of less than 0.3 dB for the received signal strength indication (RSSI). The AGC chip is fabricated using a 0.13-μm SiGe BiCMOS technology. Consuming a power of 72 mW from a 1.2-V supply voltage, the fabricated circuit exhibits a voltage gain of 40 dB and a 3-dB bandwidth of 7.5 GHz. With a 215 - 1 pseudo-random bit sequence at 5-Gb/s, the measured peak-to-peak jitter is less than 40pspp across the -20°C-200°C temperature range. The low linear-in-dB error and the wide operating temperature range achieving the high-speed data input signal indicate the suitability of the proposed techniques for high-speed AGC amplifiers.en
dc.relation.ispartofseriesIEEE journal of solid-state circuitsen
dc.subjectDRNTU::Engineering::Electrical and electronic engineeringen
dc.titleA 5-Gb/s automatic gain control amplifier with temperature compensationen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen
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