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Farshid Jafari Harandi
02/15/06 08:26
Read: 522 times
Sweden
Gothenburg


 
#110067 - RE : Congrets!!
Responding to: Kai Klaas's previous message
AC or DC setting at scope?

The signal in the first message has been captured in DC coupling . 1:1 has been selected in the Pre-Gain_Division stage.
1:1 has been selected in the Gain_Select stage.

Hey, we are friends, aren't we? Nobody has to obey!

By that , I meant I agree. thanks for your kindness. (Using Obey is just a bad habbit of me)
Heaven, Farshid, that's looks really nice!!!

TO be hunest , When at first I was posting the pictures I was typing some excuses for breakig the ground planes ! Now I am happy that you say theboard is designed good.
I have to mention that I didn't saw any ground niose in the mV range so far !
I tried to do my best and use as much as I learnt about PCB desiging in this forum (mostly by your posts).

The one, that bitscope uses. But this one will show a huge temperature drift.

This would need to desolder the current parts(related to the offset section) and design a new circuit on a vero-board which
may not look nice anymore. I will try the idea of paralleling a higher density Capcitor.

Farshid

List of 21 messages in thread
TopicAuthorDate
DSO's Op-Amp adder probelm :(      Farshid Jafari Harandi      02/14/06 11:41      
   Looks ok but i am missing something      Jez Smith      02/14/06 15:14      
   By the way...      Jez Smith      02/14/06 15:26      
      Answers      Farshid Jafari Harandi      02/15/06 03:41      
   I just had a thought      Jez Smith      02/14/06 15:37      
   Include R8 in the feedback loop      Kai Klaas      02/14/06 19:21      
      C6 ?      Farshid Jafari Harandi      02/14/06 20:59      
         Good idea      Kai Klaas      02/15/06 05:59      
            Pictures      Farshid Jafari Harandi      02/15/06 07:07      
               Congrets!!      Kai Klaas      02/15/06 07:54      
                  RE : Congrets!!      Farshid Jafari Harandi      02/15/06 08:26      
                     Prototyping      Kai Klaas      02/15/06 08:50      
      Corrections      Farshid Jafari Harandi      02/15/06 04:54      
         Developing      Kai Klaas      02/15/06 05:58      
            Time matters !      Farshid Jafari Harandi      02/15/06 06:56      
               some "friend"      Erik Malund      02/15/06 07:02      
                  Imagine !      Farshid Jafari Harandi      02/15/06 07:18      
               AC setting?      Kai Klaas      02/15/06 07:50      
               Obey??      Kai Klaas      02/15/06 07:52      
               Tricky      Kai Klaas      02/15/06 07:57      
   What if...      Kai Klaas      02/15/06 08:57      

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