All Questions
4
questions
0
votes
1
answer
609
views
ESD protection for power input with several fused branches
I'm designing an industrial board that will be powered with a +24V DC. On the PCB there are several fuses to protect each branch against over-current/short-circuit. Example:
simulate this circuit &...
- 1,235
0
votes
1
answer
206
views
LCD 4x20 display malfunction after ESD, Recover?
I have a device with 4x20 generic LCD display controlled by arm STR750 processor which is working well.
According to IEC EN 61000-6-4 standart criteia B display of device should be recovered in a ...
6
votes
2
answers
506
views
ESD/EMI Design for CE, Recommendation seems wrong from test lab
I have designed a product for a customer, that now needs to pass UL/FCC/CE Testing, It passed UL & FCC but failed CE for both 8kv ESD and EMI. The Chinese test lab my client went through sent me ...
- 3,536
3
votes
1
answer
820
views
ESD - SMA connector
Suppose I have PCB in metal chassis with 2 SMA connectors mounted on it. Let's say they are used for GSM and GPS.
How to protect against ESD and successfully pas FCC/CE? I couldn't find any TVS ...
- 719