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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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In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[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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introduction
Oxygen is an important substance for human metabolism. Brain tissue has a high metabolic rate and consumes about 20% of the total oxygen in the body. In the clinical rescue and ...[Details]
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Human body information monitoring is an emerging field. People envision developing wireless electroencephalogram (EEG) monitoring equipment to diagnose epilepsy patients. Wearable wireless EEG can ...[Details]
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Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
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Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
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At present, the global medical electronics industry is gradually showing attractive development prospects, and the speed of product replacement is constantly increasing. At the same time, due to the p...[Details]
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Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[Details]
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0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
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0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
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Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
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introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[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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summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]