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???
06/29/09 22:40
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 		 #166596 - Always a lot of work with radios
Responding to: ???'s previous message
Even soldering a wire between antenna input and ground on a Wavecom GSM module normally fails to kill the connection if you live in a region with good signal strength.

A previous radio-based product was tested in a shielded box with a computer-controlled door to enable/disable reception. With the door closed, the trimming, emissions etc was controlled with a RF test instrument. With the door open, serial numbers where exchanged for automatic bar-code printing etc.

Life gets interesting when working with receivers with sensitivities of -120 to -150dBm or better.

List of 29 messages in thread
TopicAuthorDate
How to (legally) factory test GPS products            01/01/70 00:00      
   Testing Strategy            01/01/70 00:00      
   lack of GPS reception indoors            01/01/70 00:00      
   Outside antenna?            01/01/70 00:00      
      Or perhaps ...            01/01/70 00:00      
         Antenna or repeater            01/01/70 00:00      
            Which is probably why ...            01/01/70 00:00      
               May depend on usage            01/01/70 00:00      
   You could use something like this            01/01/70 00:00      
      Problem with testing            01/01/70 00:00      
   build a wooden hut :)            01/01/70 00:00      
      ....or roof ???            01/01/70 00:00      
         or position the test station by a Window?            01/01/70 00:00      
   Opposite problem!            01/01/70 00:00      
      Always a lot of work with radios            01/01/70 00:00      
      Radiation pattern            01/01/70 00:00      
         Direction quite important            01/01/70 00:00      
            Phew            01/01/70 00:00      
         RE: Radiation Pattern            01/01/70 00:00      
   Thanks for suggestions            01/01/70 00:00      
   Outsourcing?            01/01/70 00:00      
      Outsourcing - onshore?            01/01/70 00:00      
         Outsourcing Options            01/01/70 00:00      
            That's what I meant            01/01/70 00:00      
               Options            01/01/70 00:00      
                  Solarium            01/01/70 00:00      
                     Conservatory            01/01/70 00:00      
            Ahhh - Cool Idea.            01/01/70 00:00      
            Outside the factory..            01/01/70 00:00      

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