本研究使用台積電CMOS 90 nm 1P9M製程，設計並實作出一個適用於無線生物細胞感測及電刺激平台的多功能單刀四擲切換器。另外以Roger RO4003C 印刷電路板設計並實作出兩個天線，分別適用於無線生物細胞感測及電刺激平台和非侵入式血糖感測系統。
本研究提出的48.75-70 GHz 多功能單刀四擲切換器為一個阻抗匹配式切換器，其最大的優點為在此頻率上對比其他形式的切換器擁有最小的面積需求。此切換器的在發射機模式下饋入損失為4.48 dB、反射損失為16.65 dB、隔離度為19.24 dB和1dB壓縮點為4 dBm，在接收機模式下饋入損失為4.798 dB、反射損失為15.37 dB、隔離度為20.25 dB和1dB壓縮點為5 dBm，在電刺激模式下後模擬結果可允許 135 mA的直流電流通過。晶片面積為297 μm X 248 μm。
此外，本研究提出一個具有探針功能的偶極天線分別能幅射60 GHz信號及量測在40 Hz到10 MHz範圍下的阻抗。此偶極天線的量測工作頻率為59.35 – 65 GHz、模擬在空氣和去離子水中的最大增益為3.88 dBi與8.07 dBi和模擬幅射效率為69.8%與59.7%。其探針功能透過測量去離子水、0.9%生理食鹽水及180 mg/dl 葡萄糖水溶液所驗証。
最後，本研究提出一個適用於非侵入式血糖感測系統的28-30 GHz貼片天線，其天線面積為2.57 X 2.57 mm2，印刷電路板面積為12 X 12 mm2。此貼片天線的工作頻率範圍為27.3 – 32.2 GHz、模擬最大增益在28 GHz和30 GHz時分別為6.32 dBi 和6.33 dBi、模擬方向性比在28 GHz和30 GHz時分別為80.42和68.68及模擬幅射效率在28 GHz和30 GHz時分別為86.7%和87.6%。

A 48.6-64.9 GHz multifunctional single-pole-four-throw (SP4T) switch is fabricated in TSMC 90nm CMOS 1P9M process. According to the measurement results, the multifunctional switch achieve the insertion loss of 4.48 dB, return loss of 16.65 dB, isolation of 19.24 dB and P1dB of 4 dBm under transmitter mode at 60 GHz and achieve the insertion loss of 4.798 dB, return loss of 15.37 dB, isolation of 20.25 dB and P1dB of 5 dBm under receiver mode at 60 GHz. In the post-layout simulation, the switch can handle maximum DC current 135 mA for electric stimulation. The core area is 297 X 248 μm2.
A dipole antenna with probe function has been developed for cells impedance measurement. The dipole antenna is fabricated on Roger 4003C two-layer printed circuit board. The 60 GHz signal is radiated by the proposed dipole antenna and the impedance of the cells can be measured at 40 Hz-10 MHz by using the probe function. The proposed dipole antenna achieves the operation frequency range of 59.35 – 65 GHz, simulated radiation efficiency of 69.8% at air and 59.7% at the deionized water, and simulated gain of 3.88 dBi at air and 8.07 dBi at the deionized water. The probe function is verified by the deionized water, 0.9% saline and 180 mg/dl aqueous glucose solution measurement.
A 28-30 GHz patch antenna is developed for non-invasive glucose sensing system. The patch antenna is fabricated on Roger 4003C two-layer printed circuit board. The patch size is 2.57 X 2.57 mm2. The proposed 28-30 GHz patch antenna measured operation frequency range is 27.3 – 32.2 GHz, the simulated maximum gain is 6.32 dBi at 28 GHz and 6.33 dBi at 30 GHz, simulated front to back ratio is 80.42 at 28 GHz and 68.68 at 30 GHz, and the simulated radiation efficiency is 86.7% at 28 GHz and 87.6% at 30 GHz.

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