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By: Sungho Beck Texas Instruments Pulse skipping mode (PSM) is a widely used method to improve light load efficiency. We will take the TPS65290 device with PSM mode as an example to introduce ho...[Details]
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1. Fault phenomenon: 10db and above attenuation power is inaccurate; startup error Error finding operating system, operating system not found 2. Testing process After receiving the instrument, we f...[Details]
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The peripheral circuit of the MAX829 charge pump is shown in Figure 1. The capacitor C1 in the figure switches between the output voltage UOUT and UIN at a frequency f. The amount of charge transferre...[Details]
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The first thing to do when choosing the right operational amplifier (op amp) is to determine the bandwidth of the signal that the system will pass through the amplifier. Once this is determined, the...[Details]
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Not original, just share with you A capacitance measurement circuit is designed based on the multivibrator circuit composed of AT89C51 microcontroller and 555 chip. This measurement method mainly us...[Details]
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A recent report released by market research and survey organization Gartner shows that global chip procurement spending reached US$449.8 billion in 2020, an increase of 7.3% from 2019. Among the top ...[Details]
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Beijing, China – Analog Devices, Inc. (ADI) today introduced the first product in the new iCoupler® digital isolator family, the ADN4624, which provides an aggregate bandwidth of 10Gbps. The ADN462...[Details]
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Apple is warning iPhone users not to answer calls from Apple customer service unless they use the official Apple online support page to request a call, Forbes reports. This is because there ...[Details]
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IM2603 power management chip for Type-C docking station with integrated Buck converter
IM2603 Overview
Power Management IC for Type-C Peripheral Applications with Integrated Buck Convert...[Details]
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1 Principle The 51 series microcontroller has more than two 16-bit dual-channel timers (TIME0 and TIME1), and each channel can be selected as an input capture mode to measure the pulse width. We use ...[Details]
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According to the principle of shielding, there are three types of shielding:
1. Electrostatic Shielding
When a positively charged conductor is surrounded by a complete metal shield, a negativ...[Details]
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Intel, the world's largest non-memory semiconductor company, has launched a new generation of memory semiconductors in South Korea. The outside world interprets that Intel chose to launch its new pro...[Details]
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Recently, Judge Jeffrey S. White of the Northern District Court of California dismissed a class-action lawsuit filed by consumers against Apple, which accused Apple's voice-activated smart assistant ...[Details]
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1. Experimental objectives and requirements Understand the working principle of stepper motors, learn the hardware design method of stepper motor control system using single-chip microcomputers, m...[Details]
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Abstract: The necessity of DC system transformation of earlier substations and the effects of the transformation are analyzed. The performance characteristics of the intelligent high-frequency swit...[Details]