Feedforward equalizer circuit with adjustable tap frequency response

The invention relates to a feed-forward equalizer circuit with adjustable tap frequency response. The feed-forward equalizer circuit comprises N transconductance amplifiers with adjustable frequency response, N-1 input signal delay units, an input end resistor, an output end resistor and N-1 output signal delay units. An input signal VI enters the transconductance amplifiers from the first transconductance amplifier to the Nth transconductance amplifier through the multi-stage input signal delay unit, output signals of the transconductance amplifiers pass through the multi-stage output signal delay unit, N different delays exist from the input signal to the output signal, signal gains corresponding to the delays are adjustable, and the function of the feed-forward equalizer is achieved. By adjusting the form of the frequency response of the transconductance amplifier, the overall frequency response of the feed-forward equalizer is also changed until the required frequency response requirement is met. Accordin