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Current Mirror Circuits
Last Updated on: Thursday, April 07, 2016 01:00 PM
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Circuit drives mixed types and quantities of LEDs -  10/03/02  EDN Design Idea   Portable systems often use LEDs of different colors and in varying quantities of each color. Some examples are white for the display backlight, green for keypad illumination, and red for power. Typically, the LEDs derive power from . . .  [by Mark Pearson, Maxim Integrated Products, Sunnyvale, CA]

Circuit Forms Novel Floating Current Source -  05/01/03  EDN Design Idea   One-shot provides frequency discrimination - Figure 1 shows a polarization circuit applicable to ISFET (ion-sensitive field-effect-transistor] sensors. ISFETs are solid-state chemical sensors that measure the pH value of a solution i. . .  [by S Casans, AE Navarro, and D Ramirez, University of Valencia, Burjassot, Spain]

Drive mixed types and quantities of LEDs -  10/03/02  EDN Design Idea   Portable systems often use LEDs of different colors and in varying quantities of each color. Some examples are white for the display backlight, green for keypad illumination, and red for power. Typically, the LEDs derive power from . . .  [by Mark Pearson, Maxim Integrated Products, Sunnyvale, CA]

Get just enough boost voltage -  05/27/04  EDN Design Idea   Adding a current-mirror circuit to a typical boost circuit allows you to select the amount of boost voltage and to ensure a constant difference between the input and the output voltages (Figure 1). This circuit is useful for high-s. . .  [by Kieran O'Malley, On Semiconductor, East Greenwich, RI]

Novel Floating Current Source -  05/01/03  EDN Design Idea   One-shot provides frequency discrimination - Figure 1 shows a polarization circuit applicable to ISFET (ion-sensitive field-effect-transistor] sensors. ISFETs are solid-state chemical sensors that measure the pH value of a solution i. . .  [by S Casans, AE Navarro, and D Ramirez, University of Valencia, Burjassot, Spain]


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Current Mirror Circuits


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