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Intelligent instrument and power supply circuit thereof
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Ripple rejection ratio testing device
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Voltage output circuit, switching power supply direct current converter and integrated circuit
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Automatic calibration method and system for offset error of analog-to-digital converter
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Calibration system for capacitance mismatch of CDAC and successive approximation ADC
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Temperature sensor with automatic calibration function and calibration method
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ESD protection device of positive and negative pressure interface
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Electrostatic discharge clamping protection element of positive and negative voltage interface
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Detection circuit for output voltage of charge pump and EEPROM
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Reference current generating circuit and memory chip
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Calibration circuit and system, electric energy metering chip and metering device
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Self-clamping IGBT device and manufacturing method thereof
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Trench MOS device and manufacturing method thereof
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Power standard source, metering chip and metering device
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Device for measurement of electrical energy and its current measurement mechanism
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Smoke detector and its control method
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The control method of multichannel ADC module and its signal interference, controller
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Bootstrap sampling switch circuit, sampling hold circuit and analog-digital converter
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