5ma and icopy1 is 005ma respecvely all coming from a

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Unformatted text preview: all 2013 Prof. Ming C. Wu Frac@onal Scaling §༊  A frac@on of IREF can be created in Q1 by scaling up the emiLer area of QREF. ⎛ྎ V I REF = 3I S exp⎜ྎ X ⎜ྎ V ⎝ྎ T ⎛ྎ V I copy = I S exp⎜ྎ X ⎜ྎ V ⎝ྎ T ⎞ྏ ⎟ྏ ⎟ྏ ⎠ྏ ⎞ྏ ⎟ྏ ⎟ྏ ⎠ྏ 1 I copy = I REF 3 EE105, Fall 2013 Lecture 11 – Slide 10 Prof. Ming C. Wu 5 Example: Different Mirroring Ra@o §༊  Using the idea of current scaling and frac@onal scaling, Icopy2 is 0.5mA and Icopy1 is 0.05mA respec@vely. All coming from a source of 0.2mA. Lecture 11...
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This note was uploaded on 01/22/2014 for the course EE 105 taught by Professor King-liu during the Fall '07 term at University of California, Berkeley.

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