Φίλε μου νιώθω ότι η δουλειά που κάνεις θα μας βοηθήσει όλους αλλους περισσότερο και άλλους λιγότερο. Σε κάθε περίπτωση έλειπε από το forum και επιτελείς θεάρεστο έργο για τους μη επαϊοντες. 
Μην και γνωρίζεις κάτι και για AC ;;; Εαν ναι θα με βοηθήσεις πολύ: Μετασχηματιστές, booster, αποκωδικοποιητές κλπ. Οτι γνωρίζεις είναι καλοδεχούμενο!

Δυστηχως δεν γνωριζω πολλα για νασε βοηθησω αλλα σε ερωτηση μου σε καποιο GROUP (MarklinBandG) στο YAHOO
καποιο μελος μου εστειλε αυτη την απαντηση για τους boosters:
Some more information about boosters.
As I wrote yesterday, a booster is nothing more than a power amplifier
for the digital voltage which powers your layout. It does not create
that signal but just amplifies what is being sent to it from the CS.
Just like a stereo amplifier amplifies the signal from a CD player
before it's sent to the speakers. Also note that a CS does have a
booster built in, but if you need more than the 3 amps it can supply,
you need additional external boosters.
Since most boosters are limited to 3 amperes of output, people with
larger layouts divide their trackwork into several electrical power
sections. Each will be powered by its own booster. For instance, if
you have a double track mainline, you may want to separate the
Eastbound track electrically from the Westbound track. Each will be
powered by its own booster and you can run maybe 4 trains on each
track making a total of 8 trains. Remember that the number of trains
you can run on each section depends on how much power the locomotive
uses and if there are other users of electricity on that track, like
wagons with interior lights.
Note also that you should only have one master controller, the CS, on
a layout. It creates the data packets needed to control all your
locomotives. The boosters then take these data packets and amplify
them before placing them on the appropriate segment of track.
BTW - the old boosters, 6017, can not be used with the MS or CS. Only
the new 60172 boosters will work here. And they can only be attached
to a CS, not the MS.
Here is a picture of the new system architecture:
<http://maerklin-info.de/systems/Systemarchitektur2.pdf>
The black boxes are components from the old system and can only be
used with appropriate adapters which do not exist yet.
What is not clearly shown is that the main track is split into 2
segments close to where the k83 decoder is. The left hand part is
powered by the CS. The right hand segment is powered by the 60172
booster. The short segment of track in the upper right is powered by
the old booster and is totally separated from the main track because
you can not mix the old and the new systems.
The main reason is that the new mfx system uses bi-directional data
flow. I.e.: locomotives can 'talk' back to the MS or CS. The old
system was one-way only: from the central unit to the locomotive.
There was no way for an old booster to send data back from a
locomotive to the central unit. (In the old system, the component that
created the data packets was called a central unit, 6021! Now it's the
CS or MS that does that.)