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Introduction From a historical perspective, it was not that long ago, in the early 20th century, that RF engineering, which supports the RF signal chain, was a relatively new discipline. Today, RF...[Details]
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2.2.2.3 Principle of resistance measurement using the bridge method
The DC double-arm bridge is also called the Kelvin bridge, which is mainly used to measure low-value resistance. The circuit diag...[Details]
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int checkSystem2(void) { APP_INT32U i = 0x12345678; APP_INT32U *c = return ((c == 0x78) && (c == 0x56) && (c == 0x34) && (c == 0x12)); } if(checkSystem2()) printf("little endiann"); else p...[Details]
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The program in the YL-69 data sheet includes the test program for the 51 microcontroller and Arduino. I used the program for the 51. Let me talk about my module first. It is a four-wire system. If yo...[Details]
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With people's further understanding of MP3 products and higher-level demands, MP3 has undergone a series of changes. It is more compact and exquisite, more humanized and interesting, and the indivi...[Details]
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0 Introduction
The emergence of Doppler blood flowmeter marks a significant progress in microvascular perfusion. This design adopts a dual-channel device to pick up Doppler signals, effect...[Details]
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By 2026, Al laptops will be the only choice for large enterprise laptops
According to the latest forecast from Gartner,
global shipments of artificial intelligence personal co...[Details]
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The first domestic CMMB wireless RF receiver tuner chip successfully developed by SmartChip Integration is the only CMMB front-end RF tuner chip independently developed by a domestic chip design comp...[Details]
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Isoprobe II 10:1 ECO economical insulated oscilloscope probe suitable for handheld oscilloscopes, X10 attenuation, touch protection, Touch-protected Passive 10:1 Test Probes, this high frequency 10:1...[Details]
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The STM8S series microcontrollers of STMicroelectronics are very cheap and have rich peripheral resources. I decisively chose this microcontroller (STM8S103F3P) at the beginning. I didn't know until I...[Details]
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Recently, the State Administration for Market Regulation announced the results of a random inspection of the quality of photovoltaic grid-connected inverter products in 22 projects in seven provi...[Details]
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PWM signal output is often used in single-chip microcomputer application systems, such as motor speed control. Now many high-end single-chip microcomputers also integrate PWM function modules to faci...[Details]
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Recently, Vanadium Resources Limited, listed on the Australian Stock Exchange, and China Energy International Group Co., Ltd. (CEIG) signed a memorandum of understanding (MOU) to exclusively negotiate...[Details]
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In Keil, friends who have played with 51 know that when debugging, the compiler provides a register window (Register), an interrupt system window (Interrupt System), an I/O port viewing window ...[Details]
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Understand the basic principles of frequency converter
A frequency converter is a device that converts AC power into DC power with adjustable speed, and then converts DC power i...[Details]
RF/Wirelessly
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