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Common-mode current choke 3-PORT

Common-mode current choke 3-PORT

Common mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).

Using

Common-mode filter for coax cable
RX antennas, active antennas etc.

Main functions

Common-mode current insulator
- High current insulation
- Impedance 50 or 75 Ohm
High quality PTFE coax cable
High quality connectors
Low insertion loss
IP56 box - recommended to protect it against water
Feeder size 150x110 mm
ASSEMBLED AND TESTED VERSION

Parameters

Insertion loss lower than 0.2 dB (at 50 MHz)
Common-mode isolation better than 30 dB (7 MHz and lower)
RF power up to 100 W

Available as

ASSEMBLED: ready to use
KIT: all parts + PCB and IP56 box - KIT VERSION
Connectors: PL SO-239 or F or N

Included in package

CMCC assembled and tested

Manual

If you want to know more please check our wiki with common-mode current choke manual.

3-PORT version with PL SO-239 connectors

3-PORT version with F connectors

3-PORT version with N connectors

effect of CMCC

example of installation

example of right configuration with Single wire beverage BOG

1 to 50 MHz

0.1 to 2.5 MHz

Insertion LOSS of CMCC - for 50Ohm RG-316 coax cable 10 turns

measure cmcc 3-port qro.cz hamparts.shop

available also Common-mode Current Choke Control Cable

Common-mode current choke 2-PORT

95.59 € (tax incl.)

Common mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).

Common-mode current choke for coax & controller cable UNIVERSAL

Common-mode current choke for coax & controller cable UNIVERSAL

96.80 € (tax incl.)

Common-mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).

Common-mode current choke for coax & controller cable K9AY++ ANT

Common-mode current choke for coax & controller cable K9AY++ ANT

93.17 € (tax incl.)

Common-mode choke coils work as a simple wire against differential mode current (signal), while they work as an inductor against common mode current (noise).