The Method of Bandwidth Extension of SiGe BiCMOS Microwave Variable-Gain Amplifier Integrated Circuit
Journal Title: Вісник НТУУ КПІ. Серія Радіотехніка, Радіоапаратобудування - Year 2017, Vol 0, Issue 69
Abstract
The article proposes a method of bandwidth extension of the analog integrated circuit of the variable-gain amplifier (VGA) based on SiGe BiCMOS technology with the rules of 0.18 µm. The designed VGA has a linear (in dB) control characteristic. The authors consider the VGA architecture and present its design outputs. They describe the properties of two modifications of the VGA integrated circuit – with classical correction of the response and with the circuit of the parasitic capacitance cancellation in the high-impedance node. The article shows that the second circuit solution allows increasing the upper frequency limit of the VGA by a factor of 1.8-2.
Authors and Affiliations
E. Savchenko, A. Budiakov, P. Budiakov, N. Prokopenko
Keywords
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- EP ID EP308210
- DOI 10.20535/RADAP.2017.69.5-10
- Views 97
- Downloads 0
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