Hybrid Dynamic-Quasi-Static Finite-Difference Analysis of MMIC Components with Non-Ideal Conductivity

Kunze, M.; Heinrich, W.

doi:10.1078/1434-8411-54100152

Cited by 1 publication

(1 citation statement)

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“…However, MEMS components have a considerably short life cycle in addition to undefined power handling capability and an unstable ultimate dynamic range [ 8 ]. Alternatively, gallium arsenide and other advanced III–V materials allow MMICs to be applied in the millimeter wavelength region with increased functional capability, improved system reliability, and reduced weight, volume, and cost [ 9 ]. The major drawback of this technology is that the circuits can yield performance results for certain parameters that are worse than those observed from the same devices made with separate components [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

A High-Frequency-Compatible Miniaturized Bandpass Filter with Air-Bridge Structures Using GaAs-Based Integrated Passive Device Technology

et al. 2018

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This paper reports on the use of gallium arsenide-based integrated passive device technology for the implementation of a miniaturized bandpass filter that incorporates an intertwined circle-shaped spiral inductor and an integrated center-located capacitor. Air-bridge structures were introduced to the outer inductor and inner capacitor for the purpose of space-saving, thereby yielding a filter with an overall chip area of 1178 μm × 970 μm. Thus, not only is the chip area minimized, but the magnitude of return loss is also improved as a result of selective variation of bridge capacitance. The proposed device possesses a single passband with a central frequency of 1.71 GHz (return loss: 32.1 dB), and a wide fractional bandwidth (FBW) of 66.63% (insertion loss: 0.50 dB). One transmission zero with an amplitude of 43.42 dB was obtained on the right side of the passband at 4.48 GHz. Owing to its miniaturized chip size, wide FBW, good out-band suppression, and ability to yield high-quality signals, the fabricated bandpass filter can be implemented in various L-band applications such as mobile services, satellite navigation, telecommunications, and aircraft surveillance.

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Section: Introductionmentioning

confidence: 99%