Owing to weak output signals integrated amplifier is designed , which is characteristics of shorter wires , higher input impedance , higher common mode rejection ratio and series mode rejection ratio , smaller zero shift and temperature shift 由于輸出信號微弱,采用短線路傳輸,高輸入阻抗,共模抑制比和串模抑制比高,溫漂和零漂小的集成運放電路。