Broadband compact InGaAs pin 5-bit digital attenuator using π-type resistive network

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A broadband compact InGaAs pin 5-bit digital attenuator using a pi-type resistive network is demonstrated. The proposed 5-bit digital attenuator is composed of pi-type resistive networks for good input/output matching and accurate attenuation characteristics. The fabricated attenuator MMIC has good performance characteristics, such as an insertion loss less than 11.5 dB and a small RMS amplitude error of 2.3 dB at the broadband frequency range of 7-40 GHz. In addition, the overall chip size, which is significantly reduced by using the developed multilayer structure, is only 1.59 x 0.84 mm(2).
Publisher
INST ENGINEERING TECHNOLOGY-IET
Issue Date
2012-06
Language
English
Article Type
Article
Citation

ELECTRONICS LETTERS, v.48, no.12, pp.702 - 704

ISSN
0013-5194
DOI
10.1049/el.2012.0172
URI
http://hdl.handle.net/10203/103102
Appears in Collection
EE-Journal Papers(저널논문)
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