2023年7月30日 星期日

Ethernet PHY Ethernet ESD EMI TVS diodes ESD EOS CMC BS Protection Transformer Lan Filter

 Ethernet PHY Ethernet ESD EMI TVS diodes  ESD EOS CMC BS Protection Transformer Lan Filter

Ethernet PHY
Ethernet ESD EMI TVS diodes
EOS ESD
CMC BS
common-mode choke (CMC)
Bob Smith (BS)

 Protection Transformer Lan Filter

Ethernet PHY  CMC BS Transformer Lan Filter

Electromagnetic interference EMI
Electrical Over Stress EOS
electrostatic discharge (ESD)
electrical fast transient (EFT)
cable discharge events (CDE)
transient voltage suppressor (TVS)

 IEEE 802.3 standard for Ethernet interfaces.

https://www.signalintegrityjournal.com/articles/1808-ethernet-connectors-and-routing-above-ground-planes
https://electronics.stackexchange.com/questions/426866/ground-planes-disposition-in-ethernet-connection
https://electronics.stackexchange.com/questions/191037/chassis-ground-on-ethernet-rj45-connector

Explanation of ethernet transformer signals RDCT, TDCT, RXCT, TXCT
https://adaptive.com.tw/knowledge/lan-xfmr-control/
https://electronics.stackexchange.com/questions/364054/explanation-of-ethernet-transformer-signals-rdct-tdct-rxct-txct

The transmit and receive terminals connect to a termination network, then to 1:1 magnetics (transformer), then to ESD protection diodes and an RJ-45 connector.

EMI, EMC, EFT, and ESD Circuit Design Consideration for ...microchip.com › ApplicationNotes
Ethernet PHY Ethernet ESD EMI Protection Transformer Lan Filter
A quick summary of EMI, EFT, and ESD protection strategies. 4. Capacitor filter selection and characteristics. 5. PCB Hardware design best practices and ...

 

Ethernet PHY Transformer Lan Filter circuit EMC-Compliant 10/100-Mbps Ethernet PHY  IEEE 802.3at 


 Reference Design Library > Power Management > POE - Power Over Ethernet https://www.digikey.tw/reference-designs/en/power-management/poe-power-over-ethernet

https://en.wikipedia.org/wiki/IEEE_802.3

https://en.wikipedia.org/wiki/Power_over_Ethernet


ieee 802.3 standard phy 100base circuit Transmissions Transformer

power supply Reverse Voltage Protection circuit inductive load surge-prevention

  How to protect circuits from reversed voltage polarity!