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Samsung Electro-Mechanics' FC-BGA package substrates will reportedly be supplied to Amazon for the first time. Amazon, which is a joint investor with Intel in Samsung Electro-Mechanics' FC-BGA factor...[Details]
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This article will review the classic ultrasound signal chain, discuss different system partitioning strategies and their advantages and disadvantages, and show the significance of these system partiti...[Details]
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Introduction
In data acquisition systems, the zero drift of the preamplifier is the main source of detection errors, especially under harsh environmental conditions. For example, the infrared...[Details]
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1 Introduction Milk is becoming more and more common in people's daily life and diet. Real-time, fast and accurate detection of milk ingredients is of great significance to improving milk quality and...[Details]
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Recently, the team of Professor Qian He and Wu Huaqiang from the Institute of Microelectronics of Tsinghua University and the Advanced Innovation Center for Future Chip Technology and their collabora...[Details]
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The switching power supply controls the time ratio of the switch tube in the circuit to turn on and off, and maintains a stable circuit voltage output. It is a very common power supply design. Howeve...[Details]
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O Introduction
With the rapid development of infrared detection technology, the amount of data to be processed by today's infrared real-time image processing system is getting larger and la...[Details]
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The principle of the digital gear circuit is as follows: The gear circuit is shown in Figure 1. It is an expansion of the 200mv basic meter. The +2.8v internal reference voltage is drawn from the "v+...[Details]
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1. Stepper motor single and double eight-beat forward rotation A stepper motor is an electromechanical element that converts electrical pulse signals into angular or linear displacements. The input o...[Details]
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The circuit shown in Figure 1 provides programming voltage for an EEPROM under the control of an external DAC (not shown). You can replace the DAC with a potentiometer to create a universal power supp...[Details]
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Nand Flash is a type of flash memory that uses a nonlinear macrocell mode internally, providing a cheap and effective solution for the implementation of solid-state large-capacity memory. Nand Flas...[Details]
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The process of measuring resistance with a pointer is: 1. First select the gear (there are ×1, ×10, ×100, ×1k, etc.), then put the two test leads in direct contact, and adjust the zero-setting resist...[Details]
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Working principle of temperature transmitter
A temperature transmitter is a device that converts temperature signals into standard electrical signal outputs. Its working principle usually uses...[Details]
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When using ARM chips for bare metal development, memory management functions are often required. We can use our own memory management program or directly use the standard library. However, I gener...[Details]
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#include linux/module.h
#include linux/kernel.h
#include linux/errno.h
#include linux/string.h
#include linux/mm.h
#include linux/slab.h
#include linux/vmalloc.h...[Details]
RF/Wirelessly
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