Common-mode current choke
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Noise suppression by CMCC
Example
CMCC isolation
Insertion LOSS of CMCC
KIT Assembling
CMCC assembled
CMCC construction
Article
Noise suppression by CMCC
Common-mode current choke (CMCC) coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).
example of installation
example of right configuration with Single wire beverage BOG
Example - measure by Nils DK8OK
CMCC isolation
- for 50 Ohm RG-316 coax cable 10 turns
1 to 50 MHz
0.1 to 2.5 MHz
Insertion LOSS of CMCC
- for 50 Ohm RG-316 coax cable 10 turns
KIT Assembling
1-PORT version with PL SO-239 connector
1-PORT version with F connector
2-PORT version with PL SO-239 connector
2-PORT version with F connector
3-PORT version with PL SO-239 connector
3-PORT version with F connector
CMCC Assembled
assembled 1-PORT version with PL SO-239 connector
assembled 1-PORT version with F connector
assembled 1-PORT version with BNC connector
assembled 2-PORT version with PL SO-239 connectors
assembled 2-PORT version with F connectors
assembled 3-PORT version with PL SO-239 connectors
assembled 3-PORT version with F connectors
assembled 3-PORT version with N connectors
CMCC construction
- common-mode current choke construction
- wind 5 to 5 turns on one side then cross to another side of the cores and wind rest turns.
Article
ℹ Read article from Chuck Counselman, W1HIS and article How Common-mode chokes work by Würth Elektronik.