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Common-mode current choke

Common-mode current choke

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
Product details

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

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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

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cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

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f connectors with pcb qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

cmcc manual qro.cz hamparts.shop

CMCC Assembled

assembled 1-PORT version with PL SO-239 connector

assembled 1-PORT version with F 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.

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common-mode current choke cmcc qro.cz hamparts.shop

common-mode current choke cmcc qro.cz hamparts.shop

Article

ℹ Read article from Chuck Counselman, W1HIS and article How Common-mode chokes work by Würth Elektronik.

Product details

Included in package

CMCC assembled and tested or all parts for KIT version

Box dimensions (mm) - 1 PORT CMCC	100x100x50 -PU box IP56
Weight brutto (kg) - 1 PORT CMCC	0.31 to 0.37 kg
Box dimensions (mm) - 2 PORT CMCC	100x100x50 - PU box IP56
Weight brutto (kg) - 2 PORT CMCC	0.42 to 0.49 kg
Box dimensions (mm) - 3 PORT CMCC	150x110x70 - PU box IP56
Weight brutto (kg) - 3 PORT CMCC	0.6 to 0.73 kg

Manufacturer:

Ing. Jan Šustr
ID 05476356, VAT CZ8407024780
Palachova 1777/7, 591 01 Žďár nad Sázavou, Czech republic, Europe

General instructions:

Please also read general instructions before handling the product.

European Union Declaration of Conformity

Manufacturer Ing. Jan Šustr (QRO.cz):

ID 05476356, VAT CZ8407024780
Palachova 1777/7, 591 01 Žďár nad Sázavou, Czech republic, Europe

declares that the assembled product:

CMCC 1C/2C/3C

is compatible with the relevant Union harmonisation legislation directives:
EMC Directive 2014/30/EU
ČSN EN 61000-6-3 ed. 2
ČSN EN 61000-6-1 ed. 2 (333432)

On behalf of Ing. Jan Šustr (QRO.cz)
Ing. Jan Šustr, CEO
1st January 2023

Tag: manual, rx antenna, cmcc, common-mode, choke

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