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This article mainly discusses the impact of antenna crosstalk impairments, phase noise and timing errors on
MIMO
downlink system performance, as well as fault diagnosis techniques usin...[Details]
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With the continuous development of new energy and intelligent connected vehicles, the market demand for automotive electronics is also growing. As a global authorized distributor of semiconductors an...[Details]
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80C152 is a highly integrated 8-bit microcontroller based on MCS-51, and is also a general communication controller. It is suitable for intelligent management of peripheral systems or devices, as w...[Details]
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Commissioning is one of the first few steps in the life cycle of an IoT device; it is completed within the first few minutes you use your newly purchased smart home device. The first step is to unb...[Details]
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Multiple antenna techniques have been used in mobile wireless systems since the beginning. In the early days of base station transmission and vehicle-mounted mobile station reception, multipath pro...[Details]
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On July 8, Lenovo Legion gaming phone Pro appeared in the AnTuTu database. The Lenovo Legion gaming phone Pro is equipped with Qualcomm Snapdragon 865 Plus flagship platform, with a main freq...[Details]
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There are two concepts of priority in STM32 (Cortex-M3) - preemptive priority and response priority. Some people call response priority "sub-priority" or "sub-priority". Each interrupt source needs t...[Details]
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As the global automotive electrification is advancing rapidly, the new energy vehicle motor market is also expanding rapidly. According to research institutions, the annual sales growth rate of the g...[Details]
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LED
manufacturers recommend controlling the forward current to keep the LED rated
luminous flux
and a specific
color temperature
. Given that the LED’s
brightness
is p...[Details]
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1) Avoid exposing the insulating oil withstand voltage tester to rain or humid environment. (2) The oil cup and electrode must be kept clean. During the period of non-use, they should be filled wit...[Details]
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As shown in the s3c2440 data sheet: When the data bit width of the peripheral Flash is 8 bits, (the address line of the Memory Cotroller) A0——A0 (A0 of the peripheral Flash); When the data bit wi...[Details]
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Recently, China Telecom’s official Weibo account announced a good news, that is, the number of China Telecom’s Internet of Things users has exceeded 200 million, of which the scale of NB-IoT is nearl...[Details]
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This paper introduces the design of an intelligent medicine box based on STC90C516RD+ single-chip microcomputer. The main structures include main control unit, clock unit, alarm unit, display unit,...[Details]
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Apple shared a new video on its YouTube channel today featuring footage shot on the iPhone 12 Pro. Apple says the two-minute video, titled "Dark Universe," pushes the iPhone 12 Pro's new Dolby Vi...[Details]
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As the name implies, non-contact temperature sensors are sensors that can measure temperature without direct contact with the object being measured. This type of sensor is widely used in industry, ...[Details]
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