AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
AIDA
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Entry time:
Fri Mar 28 20:46:53 2025
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<p> <table width="98%" align="center" cellspacing="1" style="border:1px solid #486090;"> <tbody> <tr> <td cellpadding="3px" style="background-color:#486090; font-weidht:bold; color:white;">Quote:</td></tr> <tr> <td cellpadding="10px" style="background-color:#FFFFB0;"><p>The new pcb for the power supply filter arrived.</p> <p>I assembled the components ( after finding the whoops ) and connected it to the bench power supply for nnaida2.</p> <p>nnaida2 functions just about the same as before but the power supply filter results seem amazing.</p> <p>I have measured the signals on the power supply before and after the filter.</p> <p>The 'scope is referenced to earth on the filter board and this earth is connected to earth through the +5v@10A supply.</p> <p>Before the filter the average noise on the rail ( AC coupled ) is 33mV and after is ....... 5mV pretty exciting stuff.</p> <p> I have attached the two 'scope pictures.</p> <p>The same measurements on the +7v, -6v and 0v rails give similar improvements.</p> <p>The choke on the +5v rail measures 34 degrees C so care will need to be taken.</p> <p>Next I will measure the voltage drops across the filter and decide on the correct voltage settings for the AIDA switch mode power supply.</p> <p>Then install the filter into the supply and check ..... and check ......</p> <p> </p></td> </tr> </tbody> </table> </p><p> </p>
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