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cothrun : nostalgia   36

555 timer teardown: inside the world's most popular IC
Current mirror circuit. The current on the right copies the current on the left.
A common use of a current mirror is to replace resistors. As explained earlier, resistors inside ICs are both inconveniently large and inaccurate. It saves space to use a cur
electronics  diy  circuit  nostalgia 
february 2016 by cothrun

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