PicATU20B - Base unit

I wanted to make something again :-)

The result is a symmetrical antenna tuner for KW up to max. 20W. Further details can be found at the inventors web-site, Andreas, DL4JAL:

 

Andreas' preparations are great - the whole circuit worked straight away. At the beginning I thought - uuuuh soldering this much chicken feed - with good solder, lots of light and a head magnifier I managed it quite well.

Now the tuner is ready for its first field use on a symmetrical dipole - I'll report back.

Parts list

Andreas has the individual parts lists of the respective circuit boards / assembly groups on his site. I have consolidated these into a single XLS file, in which you can easily filter by type, assembly etc..

Almost all parts can be found in this parts list. However, all connectors, the housing and other small mechanical parts are missing.

Base unit

IMG 9876  IMG 9878

 

RF detector head

IMG 9879  IMG 9880

 

Controller

IMG 9881  IMG 9883

 

LC-tuner

IMG 9889  IMG 9890

 

SymBa

Sperrglied  Symmetrierglied

 

Case

I purchased the Hammond 1455Q2201 housing from Reichelt.

Gehäuse 1

Gehäuse 2  Gehäuse 3