Select material from Principles and applications of electrical engineering for Michigan Technological University /.
=-5 V 1.000 Ap1 0.7 V Figure 8.25 BE circuit for LED driver 42.5 a a 5\ Figure 8.26 Equivalent collector circuit of LED ... The reason for using a BJT (rather than driving the LED directly with the signal available from the computer) is that the LED ... The circuit has been designed so that the transistor will be either in cutoff, when the LED is to be turned off, or in saturation, when the LED is to be turned on .
| Title | : | Select material from Principles and applications of electrical engineering for Michigan Technological University /. |
| Author | : | Giorgio Rizzoni |
| Publisher | : | - 1996 |
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