公开(公告)号：US3611194A

公开(公告)日：1971-10-05

申请号：US3611194D

申请日：1969-12-29

Applicant: STROMBERG CARLSON CORP

Inventor： CODD W ALFRED ,  OZONE KOHO ,  RIMLINGER DONALD C

IPC: H03B1/00 ,  H03B5/24 ,  H03B5/26

CPC classification number: H03B5/24 ,  H03B2201/01

Abstract: A tunable oscillator circuit employing a resistor capacitor (RC) active notch filter in the feedback path. Two variable resistances are included in the oscillator circuit, one for independently setting the notch depth of the filter, and the other for independently adjusting the frequency of oscillation.