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

This revision is from 2016/06/16 22:19. You can Restore it.

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 stainless screws 4mm with

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

- mark the hole center by the PCB

- drill the 3 to 3,2mm hole.

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

- 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

- use second binder to fix choke to the PCB