A Q-band low loss reduced-size filter-integrated SPDT switch using 0.15μm MHEMT technology

Jeffrey Lee,Huei Wang,Kun-You Lin Kun-You Lin,Ruei-Bin Lai Ruei-Bin Lai,Chau-Ching Chiong Chau-Ching Chiong

doi:10.1109/mwsym.2008.4633225

A Q-band low loss reduced-size filter-integrated SPDT switch using 0.15μm MHEMT technology

Jeffrey Lee, Huei Wang + Show 3 more

https://doi.org/10.1109/mwsym.2008.4633225

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Publication Date: Jun 1, 2008

Citations: 3

Affiliation: National Taiwan University, Institute of Astronomy and Astrophysics, Academia Sinica

#Single-pole-double-throw #Low Loss + Show 8 more

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Abstract

This paper proposes a circuit topology to reduce the size of a single-pole-double-throw (SPDT) quarter-wavelength band-pass filter-integrated switch (FIS). A low loss Q-band reduced-size MMIC SPDT FIS is developed in a 0.15-μm MHEMT process. This circuit demonstrates a measured insertion loss of lower than 1 dB, isolation of greater than 35 dB, and return losses of greater than 12 dB from 30 to 50 GHz, with a chip size of 2 mm x 1 mm. The low insertion loss, high return loss and isolation show that performance is improved when reducing the chip size of the circuit.

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