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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"Instrumentation amplifier"”.
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An automated bench testing system for direct current parameters of instrumentation amplifiers
… direct current parameters associated with analog instrumentation amplifiers: voltage offset, input bias currents, input offset current, output swing, common mode rejection, power supply rejection, quiescent current and gain error. The system is developed on the PXI platform and consists of …
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Fully Differential Programmable Gain Chiplet for Integrated Data Acquisition Systems
… There are currently programmable gain instrumentation amplifier chips on the market, which are widely used in industrial and instrumentation data acquisition systems. However, with built-in operational and fully differential amplifiers, these products cannot be easily upgraded as new …
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The development of instrumentation for the support of skin friction and heat flux measurements
Instrumentation has been designed to process the signals from two types of skin friction gages and a microfabricated heat flux gage. Design changes for the skin friction gages are presented which will improve the performance of the two transducers. The instrumentation is simple in design and use …
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Towards Single-Chip Nano-Systems
… from their environment and pass them to complex instrumentation interface circuits for signal detection and processing. The highlight of this research is to investigate fabrication technologies to integrate such precision equipment with nano-sensors on a single complementary metal oxide …
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Development of a digital signal processing measurement platform for biomedical magnetic induction tomography and spectroscopy
… drift for practical MIT measurements, a novel instrumentation amplifier was designed and it was incorporated into a new 5-channel annular array MIT prototype. The prototype was fully developed into a 14-channel Cardiff MIT-MKIIa system and both systems demonstrated sub-millidegree phase noise …
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A wearable heart monitor at the ear using ballistocardiogram (BCG) and electrocardiogram (ECG) with a nanowatt ECG heartbeat detection circuit
… the ECG circuit replaces the traditional instrumentation amplifier, analog-to-digital converter, and signal processor with a single chip solution. The circuit demonstrates a topology that takes advantage of the ECG's characteristics to extract R-wave timings at the chest and the ear in the …
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Amplifier and data converter techniques for low power sensor interfaces
… activity. Second, an ultra-low supply voltage amplifier stage is developed and used to create an energy-efficient low-noise instrumentation amplifier (LNIA). This chopper LNIA uses a 0.2V-supply inverter-based input stage followed by a 0.8V-supply folded-cascode common-source stage. The high …
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LOW POWER AND HIGH SIGNAL TO NOISE RATIO BIO-MEDICAL AFE DESIGN TECHNIQUES
… noise. These signals are even AFE composed of an Instrumentation Amplifier (IA), which will have a better Common Mode rejection ratio (CMRR). The main function of the AFE is to convert the weak electrical Signal into large signals whose amplitude is large enough for an Analog Digital Converter …
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Bioinspired Robust Underwater Behaviors Using Fluid Flow Sensing
… of micro and macro fabrication approaches. An instrumentation amplifier-based system was developed for signal conditioning. The hair array sensors along with the signal conditioning electronics weighed about 10 gms, which allows it to be easily carried on small scale fish robots. These sensors …
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Integrated Current Sensor using Giant Magneto Resistive (GMR) Field Detector for Planar Power Module
… circuit was designed using an instrumentation amplifier, and the circuit attenuated most of the noise that hindered accurate measurement. The over-current protection circuit along with the gate driver circuit was designed, and the concept was verified by experiments. The main …
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Zesilovač pro tenzometry
Tato práce popisuje způsoby zesílení signálu z tenzometrického mostu. Jsou zde uvedeny jednotlivé zapojení zesilovačů a popsány jejich vlastnosti. Dále je zde uveden výpočet chyby zesilovače pro různé teploty prostředí. V další části jsou navrženy jednotlivé varianty zapojení zesilovačů pro …
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Optimising Recording & Stimulation Performance of Neuronal Microelectrode Arrays through Macroporous Conducting Polymer Modification
… we hypothesise that the refinement of recording instrumentation (amplifier and digitiser) required to acquire signals from MEA devices will compliment reduced thermal noise of modified microelectrodes, yielding a low noise recording and stimulation set-up. This research aims to produce an …