GSI Forum
GSI Helmholtzzentrum für Schwerionenforschung

Home » Alice » Alice TRD chamber construction » Field cage resistor chain location
Field cage resistor chain location [message #1195] Mon, 29 November 2004 13:43 Go to next message
Clemens Adler is currently offline  Clemens Adler
Messages: 42
Registered: March 2004
continuous participant
From: *kip.uni-heidelberg.de
Hello everybody,
in the preparation of the test beam and in searching for noise, we realized, that the location where the ground connection of the field cage is sitting is not optimal.
The return current from the Drift HV (180 uA) has to be returned to the HV power supply. The connection of the HV is however at the side where the anode cables are comming out of the chamber.
The field cage (at least the last resistor and the cable coming out of the chamber) should therefore be moved to the side where the Anodes are coming out (but still the same side in z-direction).
We thought about it and did not find any reason why this could not be done, but if someone can think of any interference, please send a message to the forum.

cheers,
Clemens
Re: Field cage resistor chain location [message #1197 is a reply to message #1195] Mon, 29 November 2004 15:10 Go to previous messageGo to next message
Harald Appelshaeuser is currently offline  Harald Appelshaeuser
Messages: 39
Registered: March 2004
Location: GSI
continuous participant
From: *ikf.physik.uni-frankfurt.de
Dear Clemens,

I am not aware of a strong argument against your proposal. So it should be done as you proposed. Can you prepare a corresponding update of the conbstruction manual?

Regards, Harry
Re: Field cage resistor chain location [message #1201 is a reply to message #1195] Tue, 30 November 2004 11:50 Go to previous messageGo to next message
fateev is currently offline  fateev
Messages: 2
Registered: November 2004
occasional visitor
From: 159.93.123*
Hello,
we solder the resistors on anode side.
ground from last resistor comes out next to anode side.
look at a drawing

cheers,
Oleg
Re: Field cage resistor chain location [message #1202 is a reply to message #1201] Tue, 30 November 2004 11:58 Go to previous message
Clemens Adler is currently offline  Clemens Adler
Messages: 42
Registered: March 2004
continuous participant
From: *kip.uni-heidelberg.de
Hello,

thanks for the drawing Oleg, thats the right position.

cheers,
Clemens
Previous Topic: Wire tension problem
Next Topic: Anode Wire Quality
Goto Forum:
  


Current Time: Tue Oct 04 19:10:45 CEST 2022

Total time taken to generate the page: 0.00885 seconds