A Broadband Analog Equalizer Integrated Circuit Based on Active Inductor
An active inductor, analog equalization technology, applied in the field of electronics, can solve problems such as difficult equalizer signal transmission, and achieve the effect of promoting high-frequency gain, increasing operating bandwidth, and enhancing high-frequency gain
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[0032] Such as figure 1Or shown in 2, the present invention discloses a kind of broadband analog equalizer integrated circuit based on active inductance, and it comprises main amplifier, auxiliary amplifier and low-pass filter amplifier, and main amplifier is the differential amplifier that adopts active inductance to do load, has The source inductance provides the zero point in the transmission equation, and the main amplifier is used as the main amplification channel to compensate the gain of the high-frequency signal; the auxiliary amplifier and the low-pass filter amplifier form a feedforward path, which is used to suppress high-frequency signals and amplify low frequency signal;
[0033] The main amplifier includes an active inductor, a current source and two transistors. The two input terminals of the analog signal are respectively connected to the two input terminals of the low-pass filter amplifier, and the two output terminals of the low-pass filter amplifier are conn...
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