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The proposed driver circuit provides a new driver scheme for supply noise rejection and uniformity enhancement of AMOLED displays. We propose a new gamma circuit scheme for supply noise rejection improvement and provide a driver circuit with offset voltage zero-crossing detection (OZCD) technology to enhance the uniformity of larger displays. The simulation results show the supply noise rejection...
A low-voltage positive buck-boost converter using average-current-controlled techniques is proposed in this paper. The benefit of the average-current-controlled circuit is that it does not need to use slope compensation, furthermore, it can reduce some power management problems such as cost, design complexity, size, and EMI. The advantages of the low-voltage operational amplifier are that it has lower...
An unexpected POR (power-on reset) may lead to system unstable or hanging-up during the booting. This paper proposed a new reset IC structure to monitor system power during power ramp-up. For system design, this chip contains hysteresis input voltage, power delay control, output enable, power good signal, and LVRC (low voltage reset circuit). Finally, the proposed IC is designed with TSMC 0.35 mum...
A low-sensitivity, low-bounce, high-linearity current-controlled oscillator (CCO) suitable for a single-supply mixed-mode instrumentation system is designed and proposed in this paper. The designed CCO can be operated at low voltage (2 V). The power bounce and ground bounce generated by this CCO is less than 7 mVpp when the power-line parasitic inductance is increased to 100 nH to demonstrate the...
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