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A 10-Gb/s inductor-less variable gain amplifier with a linear-in-dB characteristic and DC-offset cancellation

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : A 10-Gb/s inductor-less variable gain amplifier with a linear-in-dB characteristic and DC-offset cancellation
นักวิจัย : Liu, Chang , Yan, Yuepeng , Goh, Wang Ling , Xiong, Yong-Zhong , Zhang, Lijun , Madihian, Mohammad
คำค้น : DRNTU::Engineering::Electrical and electronic engineering::Semiconductors.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2555
อ้างอิง : Liu, C., Yan, Y., Goh, W. L., Xiong, Y., Zhang, L., & Madihian, M. (2012). A 10-Gb/s inductor-less variable gain amplifier with a linear-in-dB characteristic and DC-offset cancellation. Journal of semiconductors, 33(8), 085003-. , 1674-4926 , http://hdl.handle.net/10220/17184 , http://dx.doi.org/10.1088/1674-4926/33/8/085003
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Journal of semiconductors
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

This paper presents a broadband inductor-less variable gain amplifier (VGA) with a linear-in-dB gain control characteristic and DC-offset cancellation. The proposed VGA is composed of a variable gain block, an exponential voltage generator, a DC-offset canceller with common-mode voltage correction, and a gain peaking block. To achieve the broad band and reduce the chip area, the gain peaking block employs an inductor-less gain peaking scheme to compensate the high frequency gain drop of the variable gain block and the DC-offset canceller. The VGA fabricated in 0.13 μm SiGe BiCMOS technology achieves a 3-dB bandwidth of 7.5 GHz and a variable gain range from −10 to 30 dB. Due to the inductor-less design, the die area is only 0.53 × 0.27 mm^2 which is the smallest among other similar reported works. At 10-Gb/s, the VGA consumes 50 mW power from a single 1.2 V supply and exhibits an output data jitter of less than 30 pspp.

บรรณานุกรม :
Liu, Chang , Yan, Yuepeng , Goh, Wang Ling , Xiong, Yong-Zhong , Zhang, Lijun , Madihian, Mohammad . (2555). A 10-Gb/s inductor-less variable gain amplifier with a linear-in-dB characteristic and DC-offset cancellation.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Chang , Yan, Yuepeng , Goh, Wang Ling , Xiong, Yong-Zhong , Zhang, Lijun , Madihian, Mohammad . 2555. "A 10-Gb/s inductor-less variable gain amplifier with a linear-in-dB characteristic and DC-offset cancellation".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Chang , Yan, Yuepeng , Goh, Wang Ling , Xiong, Yong-Zhong , Zhang, Lijun , Madihian, Mohammad . "A 10-Gb/s inductor-less variable gain amplifier with a linear-in-dB characteristic and DC-offset cancellation."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2555. Print.
Liu, Chang , Yan, Yuepeng , Goh, Wang Ling , Xiong, Yong-Zhong , Zhang, Lijun , Madihian, Mohammad . A 10-Gb/s inductor-less variable gain amplifier with a linear-in-dB characteristic and DC-offset cancellation. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2555.