Such being the case,the author Introduces four novel circuits consisting of high accuracy,1st order SCF and innovations in double secondary circuit SC due to Laker et al is made.

• 在此基础上,作者提出了四种一阶高精度开关电容滤波器(SCF)的新电路,并对 Laker 等人提出的开关电容双二次电路进行了有益的修正。