Because of the holidays, TI E2E™ design support forum responses will be delayed from Dec. 25 through Jan. 2. Thank you for your patience.

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

CD4046B: use CD4046 to design a prequency tracking circuit, but the frequency can't be locked, need help

Part Number: CD4046B

setting center frequency as f0= 10kHz,fmin=9kHz, fmax= 11kHz, R1=47k, R2=120k, C1=1nf