RX antenna - Bi-directional 2-wire beverage ONE coax output

KIT - all parts you need

The drill drawing

Paste the drawing on the box and fix it with some tape.

Drill 3 or 3,2mm holes for connector.

Drill 4mm holes for antenna screws.

Bend the screw heads into box

- use 6mm drill and do it slowly by hand

Insert the screws

Insert stainless screws 4mm with

Mount the RF connector

insert connector and use steinless M3x8 and one M3x10 with grounding eye.

Drill the hole for the PCB holder

- mark the hole center by the PCB

- drill the 3 to 3,2mm hole.

Feeder PCB assembling

- USE 4 X 100R/2W for 50 Ohm coax feeding OR 4 X 150R/2W for 75 Ohm coax feeding

KIT parts example

Assembling

TRANSFORMERS winding - very important thing!

Front side

Front side

Front side

Front side

Front side

Connect PCB to the screws

- check the lable on the box and connect wires. There must A, B and GND connected to right screws on the box.

Common-mode coax choke

Wind the coax

- Wind the coax as is on the picture, there should be 7 or 8 turns.

- fix it by one binder and use second one to fix choke to the PCB

Solder the coax

- use second binder to fix choke to the PCB

The Terminator

[https://www.remoteqth.com/img/ZAW-WIKI/Bi-Dir_1out/45.ong|noborder]

- Do right turns calculation or use table values.

Drill the hole for GND screw

Connect wires

Insert the PCB and fix it with the steinless M4 screw.

Connect the wires to the screws.

- Connect in the right order! A on PCB to A screw - check the lable on the box

Ready to use. Go to the field! :-)