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K9AY simply VAR/FIX

K9AY simply VAR/FIX

OLDER VERSION - new and fully functional device with THT components

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54.45 € (tax incl.)

54.45 €
45.00 € (without tax)

connector

construction

variable KIT
fix kit
fix assembled

in stock, shipped in 2-3 days

Price history

The lowest price in the 30 last days was 54.45 €

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Description

This K9AY is terminated loop. It consists of a wire loop of any convenient shape (diamond, delta etc.), hung from a single support and with a ground rod at the bottom. A 9:1 impedance-matching transformer is connected from one end for the loop to the ground and terminating resistor is connected the other end of the loop to the ground. This antenna is directional. Favoring signals are arriving from the feed point end. There, with the two loops, you can switch between four directions. You can also change the antenna far field by changing the RLOAD (RTERM) of the loop.

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
Variable or Fixed load resistor
Common-mode coax choke included
ONLY FEEDER! WITHOUT 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
High quality connectors
Stainless screws
IP56 box - recommended to protect it against water
Feeder size 100x100 mm

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

VARIABLE or FIXED version
ASSEMBLED or KIT

Included in package

K9AY kit or assembled

Manual

If you want to know more please check the manual.

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