- 19 -
DXE-RFCC-1 - Receive Feedline Current Choke, 50 to 75 ohm 300 kHz to 30 MHz
If you wish to reduce feedline radiation and improve reception, a Feedline Current Choke is recommended if your SWR is already
low. Adding a DX Engineering Feedline Current Choke at the point where the feedline exits the area of the antenna will substantially
reduce unwanted feedline radiation or reception without the need for improved station grounding.
The advantages of using an FCC
:
Prevents unwanted RFI by eliminating feedline current and radiation
All power goes to the antenna, improving efficiency
Reduces noise or unwanted signals picked-up by the feedline
Overcome a less than optimal ground system
The DX Engineering
RFCC-1
receive feedline common-mode choke is the most effective solution
to common-mode noise or unwanted signal ingress available to date.
The DX Engineering
RFCC
provides thousands of ohms isolation between the input and output
coaxial shield connections while passing desired signals, including dc or low frequency ac control signals. The
RFCC
has extremely
high isolation impedance which effectively blocks common-mode noise or unwanted signals, even in the presence of very poor
grounding. Low noise receive antennas are traditionally located away from electrical wiring and other noise sources. Unfortunately,
noise and other unwanted signals have a direct path to your low-noise antenna through the feedline shield connections between the
station equipment and antenna. Unwanted signals can also energize the outside of the feedline shield, and this undesired signal
energy can be conducted directly to the receiving antenna. This can reduce antenna directivity. Unless you have a perfect zero-
resistance RF ground at the antenna, some of the common-mode noise or unwanted signals from the feedline shield will make it into
the antenna.The
RFCC
is effective from 300 kHz to 30 MHz. It comes with standard CATV type “F” female connectors, although it
can be used in any 50 to 75 ohm receiving system. The
RFCC
is a passive device, therefore requires no power to operate.
PTX-81343/81464 Never-Seez and DXE-NSBT8/NMBT8 Anti-Seize
An Anti-seize compound MUST be used on any Stainless Steel nuts, bolts, clamps or other hardware to prevent
galling and thread seizure. Any of these products can be used for this purpose.
*
PTX-81343
Anti-Seize, 1 oz. Squeeze Tube
*
PTX-81464
Anti-Seize, 8.5 oz. Aerosol Can
*
DXE-NSBT8
Never-Seez, 8 oz. Brush Top
*
DXE-NMBT8
Never-Seez, 8 oz. Brush Top, Marine Grade
* These products are classified hazardous and are limited to domestic UPS Ground shipping only
