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Aiming at the design of mobile phone radio frequency (RF) circuits, this article takes the test of SAW filters as an example to discuss the following three issues: how to use a single-ended vector ...[Details]
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#include hidef.h /* for EnableInterrupts macro */ #include "derivative.h" /* include peripheral declarations */ // Output comparison test //When the value in the timer counter register (TPMxCNTH:T...[Details]
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Huawei aims to surpass Ericsson in wireless base stations, Samsung and Apple in mobile phones, and Google and Amazon in smart homes. In the past few years, Huawei has tried to challenge the "industry...[Details]
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When the serial port works in mode 2 and mode 3, it is defined as a 9-bit asynchronous communication interface. Each frame of data is 11 bits, 1 start bit 0, 8 data bits (low bit first), 1 9th data...[Details]
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Apple officially released the new Mac mini equipped with M4 and M4 Pro chips through online updates. At the same time, Apple also announced that Mac mini became Apple’s first carbon-neutral Mac dev...[Details]
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Multi-protocol support is the first element of unified storage that has attracted people's attention. Experts have always believed that support for multiple protocols can bring great value to users. I...[Details]
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The following is a summary of some issues that should be paid attention to in the design, and the principles of single-chip hardware design. I hope everyone can read it.
(1) In terms of compon...[Details]
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Yu Chengdong said that the Xiaomi MIX Alpha concept phone has no practical value, which made Lu Weibing, vice president of Xiaomi Group and general manager of Redmi brand, very angry. He questioned Y...[Details]
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The function signal generator system is mainly composed of a master oscillator, a master oscillator output adjustment potentiometer, a voltage amplifier, an output attenuator, a power amplifier, an i...[Details]
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At this year's ISSCC, Imec announced a new impulse radio ultra-wideband (IR-UWB) transmitter chip that could change the future of UWB technology. UWB (Ultra-Wideband) is able to support a wide ran...[Details]
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According to Hunan Daily, the 8.6th generation ultra-high-definition new display device production line project of HKC Optoelectronics in Changsha has entered the equipment installation stage. Acco...[Details]
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Fraunhofer ISI has developed mioty wireless transmission technology for the robust transmission of sensor data for condition monitoring and smart metering. It can connect hundreds of thousands of sen...[Details]
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The buzzer pin of STM8L051 shares the same pin with the swin debugging port. Although the debugging function cannot be used when beep is used (after the program is downloaded, disconnect the debuggin...[Details]
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The frequency converter is a device that converts the industrial frequency power supply (50Hz or 60Hz) into AC power supply of various frequencies to achieve variable speed operation of the motor. ...[Details]
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Experimental purpose: Use 8*8 LED dot matrix to display a love heart. Experimental equipment: Puzhong development board (not advertising) Experimental background: For some reasons, I have been lo...[Details]
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