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UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
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The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
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introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
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Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
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1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[Details]
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Abstract:
QT1101 is a QTouch charge transfer (QT) device, a complete digital controller that can detect signals when approaching or touching up to 10 independent keys. It can be widely used i...[Details]
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When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
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Abstract:
The signal flow of the external transceiver in the WCDMA/TD-SCDMA protocol is analyzed. The analysis results show that most of the functional modules in the WCDMA/TD-SCDMA external tr...[Details]
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With the development of LED technology, the application of LED has expanded from the traditional low-power portable product backlight to medium- and high-power indoor lighting, outdoor lighting, an...[Details]
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With the development of the electronics and data industries and the promotion of distributed power supply systems in recent years, the application of DC-DC converters has become more and more wides...[Details]
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From the perspective of current embedded consumer electronic products, media processing is gradually integrated with wireless communication and 3D games. Its powerful functions have brought about a...[Details]
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1 Introduction
The research is about a basic human parameter tester that can measure parameters such as body temperature, pulse and breathing interval. These parameters and records are the...[Details]
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1 Introduction
The DVB-S digital satellite live broadcast system standard is designed to meet the bandwidth of satellite transponders and the transmission characteristics of satellite sign...[Details]
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Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the fol...[Details]
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introduction:
With the development of power electronics, the application scope of inverter control technology and industrial field bus is becoming wider and wider. This system successfully...[Details]
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