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A new differential delay cell with a complementary current control to increase the control voltage range as well as the operation frequency is proposed for low-voltage operation. The new differential delay cell is employed in a four-stage voltage-controlled ring oscillator (VCRO). The VCRO is implemented using 0.18 m 1P6M CMOS process and 1.8 V supply voltage. Measured results show that a wide operation...
A new alternative to achieve fast transient response while inherently managing the in-rush current during DC/DC switching converter start-up is proposed. An AC coupled feedback (ACCF) is introduced using a capacitor multiplier from the output of the converter to the output of the error amplifier. With this additional feedback, the transient response, which used to be limited by the compensator mid-band...
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