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Analysis of Relaxation Oscillation in a Resonant Tunneling Diode Integrated with a Bow-Tie Antenna
Naoto OKUMURA Kiyoto ASAKAWA Michihiko SUHARA
IEICE TRANSACTIONS on Electronics
Publication Date: 2017/05/01
Online ISSN: 1745-1353
Type of Manuscript: Special Section PAPER (Special Section on Fundamentals and Applications of Advanced Semiconductor Devices)
resonant tunneling diode, relaxation oscillation, integrated antenna, nonlinear analysis, Voigt function, Van der Pol equation, Liénard equation,
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In general, tunnel diodes exhibit various types of oscillation mode: the sinusoidal mode or the nonsinusoidal mode which is known as the relaxation oscillation (RO) mode. We derive a condition for generating the RO in resonant tunneling diodes (RTDs) with essential components for equivalent circuit model. A conditional equation to obtain sufficient nonlinearity towards the robust RO is clarified. Moreover, its condition also can be applied in case of a bow-tie antenna integrated RTD, thus a design policy to utilize the RO region for the antenna integrated RTD is established by numerical evaluations of time-domain large-signal nonlinear analysis towards a terahertz transmitter for broadband wireless communications.