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This paper presents a response-translation technique to realize an ultra-low-cutoff lowpass filter in small area for biopotential acquisition systems. It is by exploiting a chopper-stabilized instrumentation amplifier (IA) with bandpass characteristic to obtain a lowpass response after chopper stabilization, resulting in substantial area savings because of relaxed time constant in the implementation...
This paper describes a high-dynamic-range 2.4 Hz-to-10 kHz wide-range tunable 5th-order Butterworth lowpass filter for biomedical applications. A differential gm-C topology in conjunction with a subthreshold-biased wide-gm-range OTA realizes efficiently a wide frequency tuning capability. For capacitance savings with consequent silicon area reduction, a merged use of floating real capacitor and grounded...
Traditional/Current electronic circuits for Telemedicine have significant performance on certain bioelectric signal detection. However, it is rarely seen that can handle multiple signals without changing of hardware. This paper introduces a general front-end amplifier for various bioelectric signals based on Field Programmable Analogy Array (FPAA) Technology. Employing FPAA technology, the implemented...
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