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In this study, an extended base bipolar junction transistor (EBBJT) was proposed to fabricate disposable urea biosensor. The detection of the urea is based on the variation of pH value. The gels, fabricated by the poly vinyl alcohol with pendent styrylpyridinium groups, were used to immobilize the urease. The SnO2/ITO glass, fabricated by sputtering SnO2 on the conductive ITO glass, was used as a...
A CMOS delta-sigma (ΣΔ) pH-to-digital converter has been developed for continuous monitoring of H+-ion concentrations. The SnO2/ITO glass, fabricated sputtering SnO2 on the conductive ITO glass, was used as a pH-sensitive membrane of extended gate field effect transistor (EGFET) operational amplifier. The ΣΔ pH-to-digital converter, constructed by using EGFET-OP to realize switched-capacitor (SC)...
An extended gate ion sensitive field effect transistor with signal interface was presented for continuous monitoring of H+-ion concentrations. The SnO2/ITO glass, fabricated by sputtering SnO2 on the conductive ITO glass, was used as a pHsensitive membrane of extended gate field effect transistor (EGFET). The signal processing circuits, constructed by using differential sensing and noise shaping techniques,...
This paper presents the design for high speed flat-plane receiver circuit application. Due to the differential transmission technique and the low voltage swing, mini-LVDS (low-voltage differential signaling) allows high transmission speeds and low power consumption at the same time. High transmission speed with the minimum common-mode and differential voltage at the input for mini-LVDS application...
This paper presents the design of receiver circuits for flat-plane application. Due to the differential transmission technique and the low voltage swing, mini-LVDS (low-voltage differential signaling) allows high transmission speeds and low power consumption at the same time. In the proposed receiver, high transmission speed with the minimum common-mode and differential voltage at the input for mini-LVDS...
A CMOS automatic gain control (AGC) circuit for power line communication application is presented. In this work, the AGC can effectively lock the amplitude of the input signal within 0.2mus. Implemented in 0.35mum CMOS process, the dynamic range of the variable gain amplifier is more than 24dB and the bandwidth of its forward path is 85MHz. It is designed for a high speed power line networking application...
This paper presents the design of receiver circuits for flat-plane application. Due to the differential transmission technique and the low voltage swing, mini-LVDS (low-voltage differential signaling) allows high transmission speeds and low power consumption at the same time. In the proposed receiver, high transmission speed with the minimum common-mode and differential voltage at the input for mini-LVDS...
A CMOS automatic gain control (AGC) circuit for power line networking application is presented. In this work, the AGC can effectively lock the amplitude of the input signal within 0.2mus. Implemented in 0.35mum CMOS process, the dynamic range of the variable gain amplifier is more than 36dB and the bandwidth of its forward path is 85MHz. It is designed for power line communication application and...
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