c波段数字控制变增益放大器设计

2018 Ural Symposium on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT) Pub Date : 2018-05-01 DOI:10.1109/USBEREIT.2018.8384612

Ivan Kravchenko, I. Filippov, V. Vertegel

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引用次数: 3

摘要

本文给出了采用0.18 μm SiGe BiCMOS技术实现的c波段数字可变增益放大器(VGA)的仿真结果。VGA提供数字5位离散增益控制，范围从0到−31 dB，步进为1 dB。噪声系数小于18db。功耗为17.25 mW。VGA的仿真结果表明，在4 ~ 6ghz带宽范围内，绝对增益误差<0.6 dB，绝对相位误差<5.4°。

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C-band digitally controlled variable gain amplifier design

This paper presents the simulation results of the C-band digitally controlled variable gain amplifier (VGA) which is implemented in 0.18 μm SiGe BiCMOS technology. VGA provides digital 5-bit discrete gain control in the range from 0 to −31 dB with 1 dB step. Noise figure is less than 18 dB. Power consumption is 17.25 mW. The simulation of the VGA shows absolute gain error <0.6 dB in bandwidth 4–6 GHz with absolute phase error <5.4°.

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2018 Ural Symposium on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT)

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