Use of TPS2350
I use TPS2350 as hot-swap and gating management for two-way input power. Problem: To provide working energy for a communication system, each system is equipped with three power modules,...
[i=s] This post was last edited by paulhyde on 2014-9-15 04:04 [/i] #include "msp430x14x.h" #define keyin (P1IN & 0x0f) #define uchar unsigned char #define uint unsigned int void delay(void) { uint tm...
I drew a board myself and used 2214 emc to drive external memory. I would like to ask: 1. LPC2214.H file 2. How to set up LPC2214 EMC. I have been looking for these two for a long time but couldn't fi...
The cigarette lighter output voltage is 16V. I added a 44k resistor to the positive terminal. Will this burn the MP3 again? I don't care, I'm afraid it will burn another one....
ARM+linux system, after burning the target file into the board, the problem of Kernel panic - not syncing: No init found. Try passing init= option to kernel. appears. Not all target boards are like th...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:16 [/i] When the temperature reaches 40 degrees, the fan starts to rotate, and when it reaches 60 degrees, the fan reaches the highest speed...
How can we get the highest performance from an A/D converter? The obvious answer is to use good design and board layout, but there are other techniques that can be used to improve performance. We can ...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
In response to a series of problems caused by the backwardness of traditional water meters, the Ministry of Construction of China has proposed the requirement of "three meters per household" for ur...[Details]
Lithium-ion battery is a widely used rechargeable battery. It has the advantages of high single-cell operating voltage, small size, light weight, high energy density, long cycle life, rapid full ch...[Details]
E6601A is Agilent's new generation of comprehensive tester platform, designed to provide low-cost calibration solutions for mobile phone manufacturers. It uses an open Windows® XP platform, allowi...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
According to In-Stat/MDR, the number of mobile phones with Bluetooth capabilities will reach at least 300 million by 2005. One of the clear evidences of the increasing adoption of Bluetooth is that...[Details]
Most
embedded
systems are powered from a 48V backplane. This voltage is typically stepped down to a lower intermediate bus voltage of 24V, 12V, or 5V to power the circuit board racks withi...[Details]
The microwave multifunctional therapeutic device uses microwave radiation for heating treatment, which can achieve the effects of sterilization and blood circulation. Using microwaves to directly c...[Details]
Analogue and Mixed Signal
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