What are the advantages and disadvantages of traditional multi-layer PCB technology and LTCC technology? In addition to the fact that LTCC can embed filters, I can't think of any advantages of LTCC ov...
#include
typedef unsigned char u8; typedef unsigned int u16; void delay(u16 i) { while(i--); } u8 a[]={0x18,0x24,0x42,0x81,0x42,0x24,0x18}; What does this line mean? , mainly used to implement somethi...
I have been exposed to bandwidth for a long time, but it seems that I have never figured it out. Today, I checked Baidu Encyclopedia and found that it solved many of my doubts. Here are some excerpts:...
There are three groups of circuits as shown in the figure (the 6291 above has only one group). If the 1st PIN of CN1 is connected to DGND by mistake during the test, what may happen? There are also so...
When I used AD software to design a 6-layer board, I found a phenomenon. My fourth layer is the POWER layer, which divides the system power supply. When I need to drill vias for network connection, I ...
Introduction: Here I share with you a PIC16F1829 TIMER1 initialization program. Interested friends can take a look. //timer1 frequency division value #define TIMER1_DIV1 (0 4) #define TIMER1_DIV2 ...[Details]
In traditional designs, all computer operations (algorithms, logic, and storage processes) are executed synchronously with reference to a clock, which increases the number of sequential circuits in a...[Details]
Preface At present, the application of embedded systems is becoming more and more widespread. A general PC has 5 to 10 embedded microprocessors in its external devices, such as keyboards, flo...[Details]
1. Bandwidth requirements
The shaft voltage of the variable frequency motor is generated by the PWM output of the inverter. Its signal spectrum is similar to the spectrum of the PWM wa...[Details]
1. Create a new project and select the chip model. After selecting the chip, add the startup file .s file. 2. Add files to groups for classification: It includes ASM group, USR group, FWlib combi...[Details]
After the United States issued the strongest ban on Huawei on September 15, the industry has been paying attention to when TSMC will be able to manufacture chips for Huawei? According to foreign medi...[Details]
What programmers should do every day
1. Summarize the completion of your tasks for the day.
The best way is to write a work log. Record what you have completed today and what problems you have enc...[Details]
The oscilloscope is a very common instrument used in our work. Many people say that the oscilloscope is too complicated and they don’t know how to use it. Today I will ask you to learn how to use the...[Details]
1. PC programming PC is written in Toubr C. The program is as follows: #include #define port 0x3f8 /*Use serial port 1 for communication*/ int ch［15］; main （） { int a; int i，j; int b［6］={88，15，38，26，...[Details]
Many instruments, such as heat meters, electronic water meters, and electronic gas meters, need
to use low-power microcontrollers, such as MCS430, to achieve electronic metering. High-en...[Details]
As one of the most important core components of the RF front end of wireless communication systems, the market demand for filters and duplexers continues to grow. As one of the domestic suppliers o...[Details]
Recently, Ruili Scientific Instruments (Shanghai) Co., Ltd. (hereinafter referred to as "Rui Li") announced that it has obtained more than 120 million yuan in financing, with investors including Pudo...[Details]
1. Targeted measurement and judgment 1. Use the multimeter correctly To use the multimeter correctly, you must be familiar with the dial before use. Gently turn the two zero adjusters to adjust the z...[Details]
The current development of
the LED
industry is also focused on high
-power
, high-
brightness
, and small-size LED products. The above three factors will make the heat d...[Details]
With the continuous integration of many technological breakthroughs and new streaming services, and the growing prosperity of the smart home and smart speaker markets, consumers' demand for audio i...[Details]
PCB Design
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