Text this: A compact design of a low frequency quadrature DDFS with low distortion using analog shapers

 _    _     _____     ____      ______  __    __  
| \  / ||  |  ___||  |  _ \\   /_   _// \ \\ / // 
|  \/  ||  | ||__    | |_| ||   -| ||-   \ \/ //  
| .  . ||  | ||__    | .  //    _| ||_    \  //   
|_|\/|_||  |_____||  |_|\_\\   /_____//    \//    
`-`  `-`   `-----`   `-` --`   `-----`      `