i am a beginner to filter ckts so i am confused with a queastion given to me by my teacher..anyone in forum could u plz help me to solve this queastion


"Design a filter ckt that provides 45 degree phase lead at cut off frequency of 1000rad/sec"


thank you in advance

 

Use RL filter and calculate phase lead at the cutt off frequecy with formula.

 

Have a look here:

http://www.play-hookey.com/ac_theory/ac_rc_series.html