Page 3
Power Conditioner
02 March 2017
Electronic Load Instructions
The Electronic Load kit is easy to make and you will end up with really useful addition to your
portable station.
Step by step instructions together with photographs will make it easy to build your Power
Conditioner. It will take around 30 minutes of work.
Spotted a mistake or need help?
Please let me know!
, tel44 (0) 7976 688359
Building tips
Use a soldering iron with a fine tip (e.g. 1.2mm) and a fine solder (e.g. 0.7mm).
All the components are installed on the top side of the board labelled “SOTAbeams”.
Use the list above to identify the components.
Only solder a component when you are sure that you have inserted the correct one.
Assembly
1.
Install and solder R1 (blue pot)
2.
Install and solder R2, R3 (47R=47 Ohms)
3.
Install and solder R4, R5 (33k)
4.
Install and solder Q1 and Q2 – note these must be installed the correct way round as
indicated on the pcb.
5.
Insert D2 (LED) into the PCB with the shorter leg in the square pad. Make sure that the LED is
flush to the board before soldering.
6.
Install and solder J1 – USB socket (the shorter connector.
J1 J2
7.
Install and solder J2 – USB plug (the longer connector) – make sure that it is straight before
soldering (tack-solder and adjust if necessary)
