Attenuator and differential voltage probe
An attenuator and attenuation circuit technology, applied in the field of electronics, can solve the problems of distortion of differential voltage probe measurement results and poor stability of the attenuator.
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[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0049] The present invention provides an attenuator, comprising a positive attenuation circuit and a negative attenuation circuit that are symmetrical to each other, a first compensation unit and a third compensation unit that are symmetrical to each other, a second compensation unit and a fourth compensation unit that are symmetrical to each other, and a differential amplifier ; The first compensation unit, the second compensation unit, the third compensation unit and the fourth compensation unit are all adjustable capacitance units composed of fixed-value capacitors; the forward signal to be measu...
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