Signal processing circuit and electronic equipment
A signal processing circuit and signal technology, applied in the low-frequency analog field, can solve problems such as high cost, large common-mode noise in the circuit, and poor conversion effect, and achieve fast response speed, small influence of circuit impedance, and good output effect
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[0046] At present, in the process of realizing the intelligent function of the equipment, because the natural environment such as light, electricity, temperature, pressure, etc. cannot be directly processed by the computer, sensors (such as pressure sensors, photoelectric sensors, temperature sensors, etc.) are often used for this purpose. ) to detect information in nature such as light, electricity, temperature, pressure, etc. Generally, the sensor converts the detected light, electricity, pressure and other information into a charge signal output, but the charge signal output by the sensor is a weak signal, so the weak charge signal needs to be amplified and converted into an analog voltage signal (subsequent averaging After the voltage signal is referred to as the voltage signal), the voltage signal is then processed by filtering, analog-to-digital conversion, etc., so as to finally output a square wave signal for subsequent processing by the working module.
[0047] When u...
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