M mpbraj New Member Jul 23, 2003 #1 hi, Actually i have assembled a circuit "Hands free telephone" ..with this circuit one can connect to a telephone instead of the hand set... The circuit works, but it generates noise, the capacitor c3 i think is the culprit, iam using a polyester capacitor... anyone plz help Attachments cir_telephone_006.gif 7.4 KB · Views: 568 cir_telephone_006.gif 7.4 KB · Views: 547
hi, Actually i have assembled a circuit "Hands free telephone" ..with this circuit one can connect to a telephone instead of the hand set... The circuit works, but it generates noise, the capacitor c3 i think is the culprit, iam using a polyester capacitor... anyone plz help