Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-09 Thread Eric Wachsmann - FlexRadio
PROTECTED] radio.biz] On Behalf Of Jeff Anderson Sent: Wednesday, December 07, 2005 7:47 PM To: flexradio@flex-radio.biz Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load Great! Many thanks for the reply, Bob. Could I ask a few more questions to try to get

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-09 Thread Jeff Anderson
Wachsmann - FlexRadio [mailto:[EMAIL PROTECTED] Sent: Friday, December 09, 2005 8:15 AM To: 'Jeff Anderson'; flexradio@flex-radio.biz Subject: RE: [Flexradio] Interesting behavior when connected to a dummy load Jeff, I believe the answer lies in the spur reduction algorithm. This line is the key

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-07 Thread Jeff Anderson
Of Robert McGwier Sent: Tuesday, December 06, 2005 10:23 AM To: Jiri Sanda Cc: flexradio@flex-radio.biz Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load There is a lot of confusion here. Let me attempt to straighten it out. 1) The extra noise occurs (as the original

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-07 Thread Eric Wachsmann - FlexRadio
: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] radio.biz] On Behalf Of Jeff Anderson Sent: Wednesday, December 07, 2005 1:07 PM To: flexradio@flex-radio.biz Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load I'm seeing something strange which has me puzzled... If, when

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-07 Thread Robert McGwier
Sent: Wednesday, December 07, 2005 1:07 PM To: flexradio@flex-radio.biz Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load I'm seeing something strange which has me puzzled... If, when on 6 meters, I turn Spur Reduction OFF (and set my Clock Offset

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-07 Thread Robert McGwier
Wachsmann FlexRadio Systems -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Tim Ellison Sent: Friday, December 02, 2005 11:23 PM To: flexRadio@flex-radio.biz Subject: [Flexradio] Interesting behavior when connected to a dummy load I was testing tonight

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-07 Thread Jeff Anderson
To: [EMAIL PROTECTED] Cc: 'Jeff Anderson'; flexradio@flex-radio.biz Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load Gents: Please bring up the message I put out a couple of days ago. I ended it with the AD9854 has leakage of clock and some modest DAC nonlinearities

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-06 Thread Robert McGwier
behavior when connected to a dummy load I do not understand ? If the transmitted noise get so much worse when spur. reduction is on why is it there at all ? What positive it does ? 73 ! Jiri OK1RI On Mon, 5 Dec 2005, Eric Wachsmann - FlexRadio wrote: Jeff nailed this one on the head

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-06 Thread Jiri Sanda
- From: Jiri Sanda [EMAIL PROTECTED] Cc: flexRadio@flex-radio.biz Sent: Monday, December 05, 2005 7:04 PM Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load I do not understand ? If the transmitted noise get so much worse when spur. reduction is on why

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-05 Thread Eric Wachsmann - FlexRadio
@flex-radio.biz Subject: [Flexradio] Interesting behavior when connected to a dummy load I was testing tonight into a dummy load and noticed some very peculiar behavior. When connected to the dummy load on 14.179 MHz (USB) I see the noise floor (signal) in the panadapter as a flat line from -10K

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-05 Thread Eric Wachsmann - FlexRadio
-radio.biz Sent: Monday, December 05, 2005 7:04 PM Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load I do not understand ? If the transmitted noise get so much worse when spur. reduction is on why is it there at all ? What positive it does ? 73 ! Jiri

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-05 Thread Jeff Anderson
] Interesting behavior when connected to a dummy load The radio will work with the spur reduction on or off. Basically, you can lighten the load on your parallel port and reduce the number of spurs seen by leaving Spur Reduction at it's default ON position. However, if you have an offending spur

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-05 Thread FlexRadio - Eric
To: flexradio@flex-radio.biz Subject: Re: [Flexradio] Interesting behavior when connected to a dummy load Interestingly, tuning across the band with spur-reduction Off does introduce audible artifacts that are not present when tuning with spur-reduction On. For example, if I'm tuning in 10 Hz steps

Re: [Flexradio] Interesting behavior when connected to a dummy load

2005-12-03 Thread Jeff Anderson
[EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]On Behalf Of Tim EllisonSent: Friday, December 02, 2005 9:23 PMTo: flexRadio@flex-radio.bizSubject: [Flexradio] Interesting behavior when connected to a dummy load I was testing tonight into a dummy load and noticed some very peculi

[Flexradio] Interesting behavior when connected to a dummy load

2005-12-02 Thread Tim Ellison
Title: Interesting behavior when connected to a dummy load I was testing tonight into a dummy load and noticed some very peculiar behavior. When connected to the dummy load on 14.179 MHz (USB) I see the noise floor (signal) in the panadapter as a flat line from -10K to +10K Hz at about