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Joseph Hebert
03/04/13 05:49
Read: 1084 times
Okemah, Ok
United States


 
#189542 - other roots
Responding to: Jim Granville's previous message
Here's a couple more you may not know.

They're called transistors because they were originally described as transfer resistors.

They're called op-amps, short for operational amplifiers, because in the days before digital computers they were designed to perform mathematical operations like integration and derivation and addition (e.g. PID control).

Joe

List of 5 messages in thread
TopicAuthorDate
What does CR indicates as reference designator for diode?      NEHA SAXENA      03/04/13 03:43      
   Where?      Andy Neil      03/04/13 04:00      
   Wiki gives a hint        Jim Granville      03/04/13 04:25      
      other roots      Joseph Hebert      03/04/13 05:49      
         re:op-amps      Jacob Boyce      03/04/13 07:16      

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