I want to process a 4cm*9cm 4-layer 1.6mm thick small board. How much does it cost to make 30 sets? Is there anyone who can make PCB proofs and give me some guidance?...
[font=微软雅黑]Special thanks to EEWORLD forum member Xinhai Baby for his suggestions: [/font] [A post destined to be extraordinary] [url=https://bbs.eeworld.com.cn/thread-338735-1-1.html]https://bbs.eewo...
[i=s]This post was last edited by sfcsdc on 2020-4-20 16:35[/i]Previously I asked you how a switching power supply can output a voltage lower than the reference voltage.
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PCB Design
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