I don't seem to have a problem with the signal level going in to the sound card. On strong signals WinPSK tells me to reduce the input level. But with this setup I am able to receive PSK signals I cannot hear in the station speaker.
Bob Macklin K5MYJ/7 Seattle, Wa. "REAL RADIOS GLOW IN THE DARK" ----- Original Message ----- From: "Bob Roehrig" <[EMAIL PROTECTED]> To: "Bob Macklin" <[EMAIL PROTECTED]> Cc: "GlowBugs" <[EMAIL PROTECTED]>; "AM Radio" <[email protected]> Sent: Thursday, February 17, 2005 10:29 AM Subject: Re: [BULK] GB> HD-15 PSK Interface > On Thu, 17 Feb 2005, Bob Macklin wrote: > > > I commected the Rx transformer with the 8ohm winding to the speaker and > > the 500ohm winding going to the sound card LINE IN. > > > > I can copy PSK QSOs that I cannot even hear. I am very impressed with this > > technology. > > You are getting quite a voltage step-up with that arrangement. You will > get more than enough level into the sound card that way. I would be a bit > worried about overdoing it and maybe wiping out the sound card input > circuit. > > > > Bob Roehrig > Aurora University Telecom dept. > [EMAIL PROTECTED] 73 de K9EUI > 630-844-4898 fax 630-844-4222 > "Nostalgia is a thing of the past" >
