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???
10/12/03 15:49
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 		 #56544 - RE: OP-AMP, Porportional Voltage adjustm
Responding to: ???'s previous message
...so this is a darlington drive circuit ? What are you controlling ? Personally, I'd look at using a PWM output and an optocoupler to do a level shift.

Steve

List of 33 messages in thread
TopicAuthorDate
OP-AMP, Porportional Voltage adjustment            01/01/70 00:00      
   RE: OP-AMP, Porportional Voltage adjustment            01/01/70 00:00      
      RE: OP-AMP, Porportional Voltage adjustment            01/01/70 00:00      
         RE: OP-AMP, Porportional Voltage adjustm            01/01/70 00:00      
   RE: OP-AMP, Porportional Voltage adjustment            01/01/70 00:00      
      RE: OP-AMP, Porportional Voltage adjustment            01/01/70 00:00      
         RE: OP-AMP, Porportional Voltage adjustment            01/01/70 00:00      
   RE: OP-AMP, Porportional Voltage adjustm            01/01/70 00:00      
      RE: OP-AMP, Porportional Voltage adjustm            01/01/70 00:00      
         RE: OP-AMP, Porportional Voltage adjustm            01/01/70 00:00      
         RE: OP-AMP, Porportional Voltage adjustm            01/01/70 00:00      
            RE: OP-AMP, Porportional -Kai            01/01/70 00:00      
               RE: OP-AMP, Porportional -Kai            01/01/70 00:00      
            30V at 250mA , PDF drawing of circuit            01/01/70 00:00      
               RE: 30V at 250mA , PDF drawing of circuit            01/01/70 00:00      
                  RE: 30V at 250mA , PDF drawing of circuit            01/01/70 00:00      
                     RE: 30V at 250mA , PDF drawing of circuit            01/01/70 00:00      
               RE: 30V at 250mA , PDF drawing of circuit            01/01/70 00:00      
   RE: OP-AMP, Porportional Voltage adjustment            01/01/70 00:00      
   Digital Pot Idea            01/01/70 00:00      
      RE: Digital Pot Idea            01/01/70 00:00      
         Comparsion of the ideas            01/01/70 00:00      
            RE: Comparsion of the ideas            01/01/70 00:00      
      RE: Digital Pot Idea            01/01/70 00:00      
         PWM concerns            01/01/70 00:00      
            RE: PWM concerns            01/01/70 00:00      
               RE: PWM concerns (Steve)            01/01/70 00:00      
                  RE: PWM concerns (Steve)            01/01/70 00:00      
                  I            01/01/70 00:00      
                     RE: I            01/01/70 00:00      
                        RE: Steve            01/01/70 00:00      
                           RE: Steve            01/01/70 00:00      
                           RE: 5V MOSFET            01/01/70 00:00      

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