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A high command-mode rejection ratio (CMRR) and low input referred noise instrumentation amplifier (IA) is presented for ECG applications. A high pass filter (HPF) with a small-Gm OTA using a current… (More)
This paper proposes a 20 MHz peak detector utilizing digital calibration for a FPW allergy biosensor. The traditional peak detector operates at the frequency from several KHz to 1 MHz. By using the… (More)
Loop delay degrades the accuracy of the traditional peak detectors and limits operational frequency to 1 MHz or less. This paper proposes a delay time compensation scheme boosting operational… (More)
This paper proposes a PVT (process, voltage, temperature)-independent dB-linear digital VGA (variable gain amplifier) using reconfigured local-feedback transconductance stages. By using the… (More)
This paper proposes a linear PGA (programmable gain amplifier) using reconfiguration local-feedback transconductors for a FPW (flexural plate-wave) allergy biosensor. By using the LFT (local-feedback… (More)
In this paper, we designed an integrated home environment sensing embedded system, a smart socket and an APP. We can use the APP to know the instantaneous temperature, humidity and PM2.5 values in… (More)