Iranian Journal of Electrical and Electronic Engineering
Iran University of Science and Technology
Sun, Jul 27, 2025
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Volume 21, Issue 4 (December 2025)
IJEEE 2025, 21(4): 3641-3641 |
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Abdulwahid O S, Muttlak S G, Sexton J, Kelly M J, Missous M. 4-18 GHz Zero-Bias Asymmetrical Spacer Layer Tunnel Diode Detector. IJEEE 2025; 21 (4) :3641-3641
URL: http://ijeee.iust.ac.ir/article-1-3641-en.html
URL: http://ijeee.iust.ac.ir/article-1-3641-en.html
Abstract: (112 Views)
An analysis of 6×6 µm2 GaAs/AlAs Asymmetric Spacer Layer Tunnel diode has been conducted to evaluate the DC and RF characteristics at different bias conditions. At zero voltage operation, the diode exhibited a measured curvature coefficient of 22 V-1, corresponding to a junction resistance of 27 kΩ. The measured and simulated S11 reflection coefficient of the integrated detector including the diode, matching circuit, and output capacitance achieved to be less than -10 dB at the desired frequency. The extracted low series resistance and junction capacitance of the tunnel diode resulted a high voltage sensitivity of 3650 V/W and low noise equivalent power of 5.5 pW/
at 11 GHz resonant frequency and -27 dBm input power. The developed detector model can be extended to implement RF detectors operating at frequencies reaching mm-wave regime applications. This is with consideration of the requirements for sub-micrometer scale mesa devices, eliminating the effects of associated parasitic elements and improved matching network performance.
at 11 GHz resonant frequency and -27 dBm input power. The developed detector model can be extended to implement RF detectors operating at frequencies reaching mm-wave regime applications. This is with consideration of the requirements for sub-micrometer scale mesa devices, eliminating the effects of associated parasitic elements and improved matching network performance.
Type of Study: Research Paper |
Subject:
Semiconductor Devices
Received: 2024/12/25 | Revised: 2025/07/22 | Accepted: 2025/06/15
Received: 2024/12/25 | Revised: 2025/07/22 | Accepted: 2025/06/15
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© 2022 by the authors. Licensee IUST, Tehran, Iran. This is an open access journal distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license.