Electronic circuit

The utility model relates to an electronic circuit includes: controllable booster element has differential input end and output to gain skew and voltage excursion compensation are realized in response to gain deviant and voltage excursion value to operatable being used for, difference parallel circuit, the coupling extremely the differential input end of controllable booster element, sensing circuit, the configuration is used for the sensing the current operation situation of circuit, and control circuit, in response to the sensing to current operation situation come operatable being used for: detect the circuit current operation situation is outside specified operation situation, to be based on the sensing to the value application selected of current operation situation do the gain deviant, the excitation difference parallel circuit is in order to incite somebody to action differential input end's terminal interconnect, the sensing is in the value of the output department of controllable booster element, and use the value conduct that the sensing arrived the voltage excursion value.