Tube Feed Line Chokes

3567247745 - Tube Feed Line Chokes
+2

FLEX PGXL Linear Amplifier RFI Kit - Single/Dual I/O Options

Store/RFI Solution Kits/Radio Communication RFI Solutions/Linear Amplifier RFI Kits
SKU RFI-LA-FLEX-1
$59.95
Input/Ouput RF Ports
1
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FLEX PGXL Linear Amplifier RFI Kit - Single/Dual I/O Options
Store/RFI Solution Kits/Radio Communication RFI Solutions/Linear Amplifier RFI Kits
Product Details
MPN: RFI-LA-FLEX-1 or RFI-LA-FLEX-2
RFI Suppression Range (MHz): 1-100 MHz

PURPOSE

These kits are designed to choke common mode currents going into or exiting from your amplifier cables.Filters are supplied for the RF In, RF Out, Relay Cable/control lines, and AC power line.Use of the filters often helps cure SWR problems between amp exciter and amp and between amp and antenna tuner or direct to antenna.The AC power line choke helps keep common mode current out of the power line which could cause interference to other devices connected to the same power line if not suppressed.

USE

Standard kit for amplifiers with single input, single output, relay keying and AC input

Deluxe Kit for amplifiers with dual inputs/outputs, frequency/keying control lines

KIT INCLUDES

Filter Type

Usage

Standard Kit

Deluxe kit

F240 Ring (1.4” ID)

RF Exciter input

1

2

Snap On (1/2” ID)

Ethernet, PTT control

2

2

Snap On (1” ID)

RF Output

1

2

Snap On (1” ID)

120/240 VAC Input

1

1

Total Filters

5

7

INSTALLATION GUIDELINES

Standard Kit - Part# RFI-LA-FLEX-1

RF Input:Ring Filter (1.4” ID) – 5-9 turns of RG-58/8X size through center

RF Output:Snap On Filter (1” ID) – 3 turns of coax cable through center

PTT Relay Cable:Snap On Filter (1/2” ID) – multiple turns through center

Ethernet Cable:Snap On Filter (1/2” ID) – multiple turns through center

AC Power:Snap On Filter (1” ID) – 3 turns of power cord through center

Deluxe Kit - Part# RFI-LA-FLEX-2

RF Input (2)Ring Filter (1.4” ID) – 5-9 turns of RG-58/8X size through center

RF Output: (2)Snap On Filter (1” ID) – 3 turns of coax cable through center

PTT Relay Cable:Snap On Filter (1/2” ID) – multiple turns through center

Ethernet Cable:Snap On Filter (1/2” ID) – multiple turns through center

AC Power:Snap On Filter (1” ID) – 3 turns of power cord through center

Also make sure you connect a good RF ground to the amplifier ground post.

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TUBE feed line chokes/Line Isolators are used to suppress common mode current carried on the outside of the  coax braid which is often responsible for receiver noise and RFI in the receiver/transmitter. These chokes are very useful for suppressing RFI common mode current at the antenna feed point, at 1/4 wavelength intervals along the coax feed line and also at the entrance to the radio station.  They are available with various input and output connectors so as to conveniently connect to standard output connectors already installed on your feed line.

Palomar Engineers TUBE feed line chokes are designed to have 2-5 times more choking impedance over a broader frequency range than competitor units in similar packaging.  Each choke has the choking impedance and effective frequency range on the product label so you can choose the product best suited for your application.