Phase domain analog-digital converter
An analog-to-digital converter and phase technology, applied in the field of microelectronics and solid-state electronics, can solve the problems of large power consumption, circuit area, and high cost, and achieve the effect of reducing power consumption and cost, and simplifying the difficulty
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[0017] The implementation of the present invention will be described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0018] Such as figure 1 As shown, a phase-domain analog-to-digital converter includes a multiplexed combiner and comparator, where:
[0019] The combiner amplifies or reduces the analog signals of the in-phase input and the quadrature input with different weights;
[0020] The comparator compares the scaled in-phase signal with the quadrature signal to obtain one bit of quantized digital information;
[0021] The scaling operation of the combiner is equivalent to dividing the complex plane into different sectors; the comparison operation of the comparator is equivalent to positioning the phase of the input signal in a certain sector of the complex plane.
[0022] At different moments, the combiner generates di...
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