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Conventional microwave detector diode and beam lead diode video impedance (RV) test methods and instruments have the defect of being inconsistent with the national test standard (GB6570-86). It is ...[Details]
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1. Chip ID reading timing diagram Let's first look at the timing diagram for reading the ID in the NandFlash chip manual. Later we will write the code based on this timing diagram. 2. Enable chip F...[Details]
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Before porting, we also need to install and configure eldk for compiling u-boot. Below we will introduce the installation and configuration of eldk:
1. Download eldk
Select any version of...[Details]
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pre //****************************************************
/*
Function of the program: write data into AT24C02, then read it back
and assign it to port P2 to display the running ligh...[Details]
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From October 15 to 16, 2021, the "2021 China Automotive Supply Chain Conference" co-organized by the China Association of Automobile Manufacturers and the Chongqing Liangjiang New Area Management Com...[Details]
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Continue from the previous article to analyze the Nand Flash driver: the actions of the Nand Flash device detection function s3c24xx_nand_probe. The s3c24xx_nand_probe function first creates the da...[Details]
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Simulation of microprocessors, graphics chips, or complex designs usually requires slowing down the target system, because even a fast FPGA may not be able to keep up with the high-speed target sys...[Details]
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Power dividers and combiners are the most commonly used/common high-frequency devices, as are couplers such as directional couplers. These devices are used to divide, combine, and couple high-frequen...[Details]
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On November 10, Rivian, a new American car manufacturer, completed its IPO with an issue price of US$78 and a total fundraising amount of US$11.934 billion. Combined with the more than $10.5 billio...[Details]
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Samsung may see more growth in the coming months, possibly at the expense of rivals like Xiaomi, according to data from 91mobiles' 2020 Buyer Insights Survey. Image source: 91mobiles According to d...[Details]
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63-decimal counter constructed by cascading hexadecimal counters and then presetting numbers : If cascading hexadecimal counters is used first, the 63-decimal counter can still be realized. We can...[Details]
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The set-top box audio subsystem designed with PCM1740 is shown in Figure 1. The PCM1740 is a stereo audio D/A converter with VCXO and PLL.
The PCM1740 uses a multi-stage delta-sigma modulator and 8...[Details]
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The issue of resistor accuracy seems more complicated than imagined. There are three basic types of resistors: Bulk Metal Foil, Thin Film, and Thick Film, which may look similar on the surface and may...[Details]
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Maxim's power management, USB charging, next-generation GMSL SerDes, remote tuner, and SDR technologies are widely used in Qualcomm Snapdragon 820 automotive platform Maxim announced that se...[Details]
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Humans survive because their hearts keep beating; the same is true for vacuum cleaners. Only when the "heart" is in good condition can they vacuum better. In order to ensure the continuous and normal ...[Details]