A 0.43 g Wireless Battery-Less Neural Recorder With On-Chip Microelectrode Array and Integrated Flexible Antenna [0.03%]
具有片上微电极阵列和集成柔性天线的无线无电池神经记录仪（重0.43克）
Hengying Shan,John Peterson rd,Nathan J Conrad et al.
Hengying Shan et al.
This work presents a single-chip battery-less neural recorder with 12 on-die microelectrodes. It can be powered wirelessly up to 16 cm away from a horn antenna at 915 MHz and only consumes 104 μW dc power for accessing 10 enabled recording...
Auto-Tuning and Self-Calibration of High-Sensitivity Radio Frequency Interferometers [0.03%]
高灵敏度无线电干涉及频仪的自动调谐与自校准
Yan Cui,Pingshan Wang
Yan Cui
We demonstrate a technique that automatically tunes the sensitivity of a radio-frequency (RF) interferometer with a tunable liquid attenuator by accurately changing its liquid volume. The obtained effective quality factor (QEFF ) of the int...
Direct Machining of Low-Loss THz Waveguide Components With an RF Choke [0.03%]
具有RF choke的太赫兹低损耗波导元件的直接加工法
Samantha M Lewis,Emilio A Nanni,Richard J Temkin
Samantha M Lewis
We present results for the successful fabrication of low-loss THz metallic waveguide components using direct machining with a CNC end mill. The approach uses a split-block machining process with the addition of an RF choke running parallel ...
A Quadrature-Based Tunable Radio-Frequency Sensor for the Detection and Analysis of Aqueous Solutions [0.03%]
一种用于检测和分析水溶液的可调式射频传感器（基于四极法）
Yan Cui,Yuxi He,Pingshan Wang
Yan Cui
A highly tunable and sensitive radio-frequency (RF) sensor is presented for the measurement of aqueous-solution dielectric properties. Two quadrature hybrids are utilized to achieve destructive interference that eliminates the probing signa...
Soon-Cheol Kong,Jamesina J Simpson,Vadim Backman
Soon-Cheol Kong
This Letter presents a scattered-field formulation for modeling dispersive media using the finite-difference time-domain (FDTD) method. Specifically, the auxiliary differential equation method is applied to Drude and Lorentz media for a sca...