You hcave ground the clock enable pin. Sorry about the error in the circuit. I ma been terribly QRL. Can someone else update the circuit? It is on the wiki. - f Sent from BlackBerry® on Airtel -----Original Message----- From: Leonardo Ramirez <ea7kb@xxxxxxxxxxx> Sender: minima-bounce@xxxxxxxxxxxxx Date: Thu, 20 Mar 2014 13:54:36 To: minima@xxxxxxxxxxxxx<minima@xxxxxxxxxxxxx> Reply-To: minima@xxxxxxxxxxxxx Subject: [minima] The LPF no change Hi . I mounted the RF386 amp and works well but does not change the CD4017 the LPF What band selector line I need to use? I connected to PD5 but does not change. Best Regards. Leo / EA7KB