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???
03/27/06 17:35
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 		 #113213 - Thanks very much Kai.
Responding to: ???'s previous message
Thanks very much Kai.
Let me try to analyse the circuit operation and would get back to you for needed clarifications.

Thanking you,
suresh.

List of 42 messages in thread
TopicAuthorDate
Measuring CR of Reed Switches.            01/01/70 00:00      
   Contact resistance?            01/01/70 00:00      
   Correction : Sorry its 10mV to 2500mV            01/01/70 00:00      
   Voltage or current, pick one            01/01/70 00:00      
      I can choose Test current as 10mA            01/01/70 00:00      
         typical constact resistance ?            01/01/70 00:00      
      yes, but            01/01/70 00:00      
         No CR when closed?            01/01/70 00:00      
            If this was possible, you would not need            01/01/70 00:00      
               current source with series resistor at            01/01/70 00:00      
                  Yes            01/01/70 00:00      
                  constant current source            01/01/70 00:00      
                  V=IR            01/01/70 00:00      
                     Specs & Description            01/01/70 00:00      
                  resistor ?            01/01/70 00:00      
                     Current source circuit for CR measuremen            01/01/70 00:00      
                        Why not using...            01/01/70 00:00      
                        Kind of            01/01/70 00:00      
                           And...            01/01/70 00:00      
                              7805 and get 10mA and 100mA            01/01/70 00:00      
                              reply - thermo-potentials            01/01/70 00:00      
                                 since you work for the manufacturer            01/01/70 00:00      
                                 Chopper            01/01/70 00:00      
                                    Chopper schematic            01/01/70 00:00      
                                       Thanks very much Kai.            01/01/70 00:00      
                                       Reply : Chopper Schematic            01/01/70 00:00      
                                          Answers            01/01/70 00:00      
                                             what about a chopper stabilized op-amp?            01/01/70 00:00      
                                                Yur.            01/01/70 00:00      
                                                Yes, but...            01/01/70 00:00      
                                             AC components , VCR, DCR            01/01/70 00:00      
                                                Answers            01/01/70 00:00      
                                                   Demodulation?            01/01/70 00:00      
                                                      This would be the Lock-in scheme            01/01/70 00:00      
                                                   Average Value, VCR & DCR Calculation            01/01/70 00:00      
                                                      Quite simple            01/01/70 00:00      
                                             Analysis for Usig o/p            01/01/70 00:00      
                                                Answers            01/01/70 00:00      
                                                   I thank you very much Kai            01/01/70 00:00      
                                                      Test Condition: 10mA, 50mV            01/01/70 00:00      
                                                         Switching condition            01/01/70 00:00      
   Remember Ohm's law?            01/01/70 00:00      

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