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In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
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TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
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This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
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Magnetic resonance imaging (MRI) systems can take high-resolution cross-sectional perspective images of the human body, providing very useful information for medical diagnosis. The radio frequency pro...[Details]
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The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
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Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
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Until now, designers have faced a trade-off in ADC selection. Pipeline converters offer high resolution and wide dynamic range, but their power consumption is quite high. The alternative, discrete ...[Details]
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No other sector is feeling the pressure for change more acutely than the healthcare industry. Healthcare organizations and services are desperate to reduce costs, but the challenge is to do so without...[Details]
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Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
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With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
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Many MEMS devices, such as accelerometers and mechanical resonance devices, require a vacuum environment to realize their designed functions. However, verifying whether the package cavity has reach...[Details]
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Preface
Phase-modulated pulse signals can achieve a large compression ratio. As a commonly used pulse compression signal, they are widely used in modern radar and communication systems. Wi...[Details]
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There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
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introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
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Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]