Richtek Technology Corporation

Yueh-Ming Chen

Isaac Y Chen

Shao-Hung Lu

A mix mode wide range divider is provided for dividing a first signal by a second signal to generate an output signal. A third signal is generated depending on the resistance of a first adjustable resistor, and a fourth signal is generated according to the third signal and a target value determined by the second signal, to adjust the resistance of the first adjustable resistor and the resistance of a second adjustable resistor. The resistance of the first adjustable resistor is so adjusted to make the third signal equal to the target value, and the resistance of the second adjustable resistor is so adjusted to maintain a ratio of the resistance of the second adjustable resistor to the resistance of the first adjustable resistor. The output signal is generated depending on the first signal and the resistance of the second adjustable resistor.

Mix mode wide range divider and method thereof

A mix mode wide range multiplier and method are provided for multiplying a first signal by a second signal to generate an output signal. A reference signal is generated according to a first gain and a reference value, the output signal is generated according to a second gain and the first signal, a target value is generated according to the second signal, the first gain is adjusted to make the reference signal equal to the target value, and the second gain is adjusted to maintain a ratio of the second gain to the first gain.

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Taipei, Taiwan

Yueh-Ming Chen