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1. Fault phenomenon Phase lock error occurs after the instrument is turned on 2. Testing process There are many circuits in the phase-locked circuit design. According to the principle block diagram...[Details]
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When measuring resistance with a DT-830 digital multimeter, when the measured resistance value exceeds 20MΩ, the meter head displays "1", indicating that the limit is exceeded and the resistance value...[Details]
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There are three main dimming methods at present, namely: analog dimming, PWM dimming and thyristor dimming. When using thyristor dimming to dim LED replacement lamps, the existing dimmer circuit can ...[Details]
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Atomthreads, like many operating systems, calls idle when there is no task scheduling. static void atomIdleThread (uint32_t param) { /* Compiler warning */ param = param; /* Loop fore...[Details]
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According to Phoenix Technology News, security vendor Check Point has disclosed that a security vulnerability exists in the audio processing firmware of the system-on-chip designed by MediaTek, which...[Details]
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The appearance of Volkswagen's seventh-generation Golf GTI is not much different from the sixth-generation Golf GTI, except that the sixth-generation's rounded lines have become sharper, which ca...[Details]
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The InfiniiVision 3000 X-Series offers an entry-level price point with exceptional performance and optional features not available in its class. Agilent's breakthrough technology delivers more oscill...[Details]
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After being exposed many times, the OnePlus Nord 2 Pac-Man co-branded edition mobile phone was finally officially released, priced at 529 euros (about 3861.7 yuan). The OnePlus Nord 2 Pac-...[Details]
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While releasing the new iPhone, Apple naturally did not forget to push the new iOS system. According to the latest report from foreign media, Apple directly pushed the iOS 14.1 system (versi...[Details]
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As the supply of 8-inch wafers continued to be tight and many customers paid extra to obtain urgent orders, the power management IC market continued to flourish in the just-concluded third quarter. ...[Details]
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The usual method of reverse voltage protection is to use a diode to prevent damage to the circuit. One solution is to use a series diode to allow current to flow only in the correct polarity (Figure ...[Details]
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South Korean giants in the automotive and electrical appliance fields are going to "get together" in the field of Internet of Vehicles. Hyundai Kia announced a cooperation agreement with Samsung on W...[Details]
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Last week, the editor sorted out Wu Jianhong's reply. The enthusiasts all said that they were very touched. Wu Jianhong was also very moved by everyone's enthusiastic response. However, when the edi...[Details]
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Microscopic image of a new quantum simulator containing two coupled nanometer-sized metal-semiconductor components embedded within a piece of electronic circuitry. Image source: University College ...[Details]
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Servo motor encoder zeroing and alignment is one of the key steps to ensure precise control of the servo system. This article will introduce the methods of servo motor encoder zeroing and alignment...[Details]
DSP and ARM Processors
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