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Investigation of Adjustable Current-Voltage Characteristics and Hysteresis Phenomena for Multiple-Peak Negative Differential Resistance Circuit

Kwang-Jow GAN, Dong-Shong LIANG

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Summary :

A multiple-peak negative differential resistance (NDR) circuit made of standard Si-based metal-oxide-semiconductor field-effect-transistor (MOS) and SiGe-based heterojunction bipolar transistor (HBT) is demonstrated. We can obtain a three-peak I-V curve by connecting three cascoded MOS-HBT-NDR circuits by suitably designing the MOS parameters. This novel three-peak NDR circuit possesses the adjustable current-voltage characteristics and high peak-to-valley current ratio (PVCR). We can adjust the PVCR values to be as high as 11.5, 6.5, and 10.3 for three peaks, respectively. Because the NDR circuit is a very strong nonlinear element, we discuss the extrinsic hysteresis phenomena in this multiple-peak NDR circuit. The effect of series resistance on hysteresis phenomena is also investigated. Our design and fabrication of the NDR circuit is based on the standard 0.35 µm SiGe BiCMOS process.

Publication
IEICE TRANSACTIONS on Electronics Vol.E93-C No.4 pp.514-520
Publication Date
2010/04/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E93.C.514
Type of Manuscript
PAPER
Category
Electronic Circuits

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