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K9AY simply loops switch

K9AY simply loops switch

This is simply K9AY feeder box with direction switch, variable and fixed Rload and protections. Coaxial output has got common-mode current filter.

Using

Lower noise RX antenna
RX antenna designed for FOUR directions
Small design
Ideal for portable operation
Noise source antenna for QRM eliminator

Main functions

Broadband - 0.2 to 30 MHz
4 directions about 110 deg.
Needs small room
Great for portable operations
50 or 75 Ohm feed line - jumper switch inside
Good for phasing more pics into the array
ONE version - Variable and Fixed load resistor - by the Jumper on PCB
Common-mode coax choke included
ONLY FEEDER! WITHOUT CONTROLLER - you can use this controller
High voltage electrostatic protection with neon lamps
High power IN/OUT protection with PTC
Controlled by DC voltage (external wires) or AC/DC voltage over the coax feed line - more info
Variable terminator resistance (Rload) also by external DC voltage
High quality connectors
Stainless screws
IP56 box - recommended to protect it against water
Feeder size 100x100 mm
ASSEMBLED and TESTED VERSION

Parameters

RX antenna - Gain depends on loop size
Four directions about 110 degrees
F/B depends on loop size and construction
Find more design hints (phased array)
Fixed or Variable termination resistor
Feed line impedance 50 or 75 Ohm
Common-mode choke isolation more than 30 dB
Current protection > 100 mA and Voltage protection > 65 V
Control AC/DC voltage 11 - 14 V
Control AC/DC current < 200 mA
Rload voltage DC about 1.5 to 6 V and 30 mA

Available as

ASSEMBLED: ready to use
Connectors: PL SO-239 or F

RECOMMENDATIONS TO BUY:

K9AY/4-way RX antenna switch controller

Included in package

K9AY assembled and tested

Manual

If you want to know more please check our wiki with K9AY simply manual.

version with PL SO-239 connectors

version with F connectors

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