Elecraft BL1 (1:1) - Manual (Page 2)


Mount the completed transformer in the space indicated on the PCB. Starting with the end of the
board with the BNC connector pass each wire through the hole marked with its color and solder
these four wires to the board.

At the opposite end of the board, solder the longer RED wire to the h
ol e l a be l e d “ REDB 1: 1”
.

Solder the longer WHITE wire to the h
ol e l a be l ed “ WHTA 1: 1”
.

Solder the shorter RED
wi r e t o t he hol e l a be l e d “REDA” .

Solder the shorter WHITE
wi r e t o t he hol e l a be l ed “ WHTB” . See t he phot o.

Install the right angle output terminals in the 3 places indicated on the PCB.

Install a thumb screw and 2 flat washers into each right angle output terminal

Turn the PCB over and install mounting feet as shown in the photo.