Broadband MMIC Digital Step Attenuator Based on Silicon-Germanium Technology
The article describes circuit schematics, features and design methodology of microwave integrated digital step attenuators (DSAs) based on SiGe technology (SiGe BiCMOS). The measured characteristics of the designed 0.1–4.5 GHz microwave monolithic integrated circuit (MMIC) DSA with a parallel and serial control driver are presented. The DSA bitness is 6 bit, attenuation range is 30 dB with a 1-dB step, and input power at the 1 dB gain compression is no less than 14 dBm. In addition to the wide bandwidth, advantages of the MMIC DSA are a good input and output matching, as well as low consumption current. The MMIC DSA can be used in microwave transmitters and receivers for different applications, including ones that are based on the systemon-a-chip concept.
Keywordsdigital attenuator serial and parallel control microwaves monolithic integrated circuit SiGe technology
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- 1.I. J. Bahl, Control Components Using Si, GaAs, and GaN Technologies, Artech House, London (2014).Google Scholar
- 2.R. Tayrani, High Frequency Electronics, 2, 16 (2005).Google Scholar
- 3.A. A. Barov, A. V. Kontratenko, 22d International Crimean Conference “Microwave Equipment and Telecommunication Technologies” [in Russian], 1, Veber, Sebastopol (2012).Google Scholar
- 5.Y. Zhang, Y. Zhuang, Z. Li, et al., Microelectron. J., 43, 468, DOI https://doi.org/10.1016/j.mejo.2014.02.013 (2014).
- 6.V. Fusko, Microwave Circuits: Analysis and Computer-Aided Design, Prentice Hall (1987).Google Scholar
- 7.L-band MMIC Discrete Attenuator 1338ХК8У, http://www.mri-progress.ru/products/all-lists/1338XK8Y.pdf (2016).
- 8.I. I. Mukhin, V. V. Repin, Problems of Developing Advanced Micro- and Nanoelectronic Systems [in Russian] Part 3, Institute for Design Problems in Microelectronics, Moscow (2014).Google Scholar
- 9.MAX2066. 50MHz to 1000MHz High-Linearity, Serial/Parallel-Controlled Digital VGA, https://www.maximintegrated.com.