Musa, The output is too much for the RF386. As I said, it takes just 0.05v of input (-10dbm). You will have to reduce the output at least 100 times! - f Sent from BlackBerry® on Airtel -----Original Message----- From: Musa Çokan <musacokan@xxxxxxxxxxx> Sender: minima-bounce@xxxxxxxxxxxxx Date: Thu, 27 Feb 2014 09:58:23 To: <minima@xxxxxxxxxxxxx> Reply-To: minima@xxxxxxxxxxxxx Subject: [minima] Re: RF386 Farhan, I do not yet use the arduino. I feed it with a DDS signal but I'm using an amplifier at the output. I'm sending in additional riser drawing. thank you 73, Musa , From: farhanbox@xxxxxxxxx Sent: Thursday, February 27, 2014 9:27 AM To: minima@xxxxxxxxxxxxx Subject: [minima] Re: RF386 Musa, What signal are you feeding it with? The signal should be only around 50mv. Where is the signal coming from? - f Sent from BlackBerry® on Airtel -------------------------------------------------------------------------------- From: Musa Çokan <musacokan@xxxxxxxxxxx> Sender: minima-bounce@xxxxxxxxxxxxx Date: Thu, 27 Feb 2014 09:18:58 +0200 To: <minima@xxxxxxxxxxxxx> ReplyTo: minima@xxxxxxxxxxxxx Subject: [minima] RF386 Hello I did rf386 linear. q5 and q6 have a clear signal at the output. Modulation out. I am using a coaxial between RL-IN and RL-OUT I'm setting IRF510 150mA current. There are 7-8 watt output at 40m. But do not be output modulation. Waiting for your help. Musa ÇOKAN Ta3cm