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Portable systems require an audio power amplifier to drive small speakers, with an output power of 1W~2W to drive speakers (RL=8/4ohm), and 50mW~100mW to drive headphones (RL=32/16ohm). In this cas...[Details]
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Basic concepts:
(According to China's metrology law, physical quantity units adopt the International System of Units, i.e. SI. For ease of understanding, here are some common quantity convers...[Details]
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Recently, a digital blogger on Weibo revealed that Xiaomi smart watches are currently being shipped from the factory and Xiaomi will officially release the product early next month. In fact,...[Details]
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1 Introduction
Hydraulic systems have always had problems with high failure rates and difficulty in fault detection and location. Commonly used hydraulic system vibration signal diagnosis ...[Details]
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Conducted emission is one of the important issues in electromagnetic compatibility design. In order to meet the requirements of conducted emission limits in the standard, EMI filters are usually used ...[Details]
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Based on actual conditions, this article proposes appropriate solutions for overvoltage protection needs in UPS applications.
1. Changes in the concept of overvoltage protection
W...[Details]
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In demanding applications, high-speed, real-time phase noise measurements require a source with high stability. The new FSPN from Rohde & Schwarz (hereinafter referred to as "R&S") has ultra-high sen...[Details]
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Abstract: A Boost, Buck-Boost four-terminal combination boost DC/DC conversion topology is proposed; theoretically, it is proved that its boost ratio (gain) is (1+D) times that of the Boost convert...[Details]
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An oscilloscope is an instrument used to measure the shape of alternating current or pulse current waves. It consists of a tube amplifier, a scanning oscillator, a cathode ray tube, etc. In addition t...[Details]
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Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
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With the development of electronic technology and computer technology, the automation level of substations is constantly improving. This requires the continuous use of reliable, technologically adv...[Details]
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In the pinout diagram of the STM32 data sheet, you can see that PC14 and OSC32_IN share a pin, and PC15 and OSC32_OUT share a pin. Their usage is as follows:
When LSE (low-speed external clock signal...[Details]
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On the morning of February 10, the Shelby County police in the United States recently cracked a wife-killing case, and the health data on the suspect's iPhone became one of the evidences. Fo...[Details]
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Fujifilm will invest 70 billion yen ($637 million) in its semiconductor materials business over the three years to March 2024 to cope with surging global demand for chips for 5G and artificial intell...[Details]
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To ensure that S3C6410 has been initialized, usually use UBOOT initialization //Serial port register //UART0 #defineULCON0 *((vu32*)0x7F005000) //UART channel 0 line control register #defineUCON0 *...[Details]
Microcontroller MCU
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