Sequence Generator Delays Bias Voltages To LCDs

by Kannan N, chief executive officer, Mediatronix Pvt. Ltd., Trivandrum, Kerala, India, Electronic Design, Jul 05 2007

Focus:
To ensure an LCD is powered up and down safely, a circuit using logic circuitry and resistor--diode-capacitor networks to sequence different delays to three bias voltages together with data and control signals.

What you’ll learn:

• How to build a circuit that sequences bias voltages for a passive or active LCD display

Notes:
ED's Ideas For Design

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