OSP surface treatment PCB poor welding cause analysis and improvement measuresSummaryOSP is the abbreviation of (Organic Solderability Preservatives), which is translated as Organic Solderability Pres
2020/12/18 fandoukeji
How to prevent static electricity during PCBA processing and PCBA processing in Shenzhen?PCBA processing flow1. The customer provides engineering information, including the review of BOM and Gerber do
2020/12/18 fandoukeji
Automatic Distributing Machine for Restaurant Special PlateThe user only needs to swipe the meal card, and the automatic plate dispenser will "spit out" a stainless steel plate. An automatic
2020/12/18 fandoukeji
1. General description1. Characteristic impedance Printed microstrip line (surface layer), Z=65Ω±10%; Printed strip line (inner layer), Z=50Ω±10%; differential clock single-ended impedance to ground i
2020/12/18 fandoukeji
The smart toilet has many special functions: for example, it has a massage function, which is convenient for patients with constipation and hemorrhoids. There are also many convenient places. There ar
2020/12/18 fandoukeji
Summarize the impedance calculation model encountered in PCB design1. The calculation model of outer single-ended impedanceH1: Dielectric thickness Er1: Dielectric constant W1: Bottom width of impedan
2020/12/18 fandoukeji
Maintenance and maintenance of electroplating production line for printed circuit boardsTypes of equipment In the production process of printed circuit boards, there are two main types of electroplati
2020/12/18 fandoukeji
What is 433Mhz RF remote controlIn the previous chapters, we talked about the transmit power and application range of the RF2.4G remote control. Today, what we want to share is how far is my remote co
2020/12/18 fandoukeji
