[Flexradio] Offering of a new solution to SDR-1000 users

2013-11-15 Thread Christos Nikolaou
Dear SDR-1000 users, Let me present a new solution for you. It is called USB2SDR, is ready-made and whereas so far it was used in homebrew rigs, now by including the top notch ADC AK5394A ADC having 123dB dynamic range and additionally a dedicated controller specifically for SDR-1000 DB25

[Flexradio] carrier on ssb

2009-01-06 Thread Christos Nikolaou
Hi, Just wanted to point out that the LO leakage has been handled from Tasa YU1LM a few years back succesfully in his designs. Specifically in his Avala-01 - http://yu1lm.qrpradio.com/AVALA-01%20AND%20ADTRX2-YU1LM.pdf you can suppress that 'carrier' by adjusting the bias voltages on I and Q of

Re: [Flexradio] SDR-1000 PowerSDR v1.12.1 with dedicated I/Q settings per each band

2008-08-04 Thread Christos Nikolaou
PROTECTED] To: [EMAIL PROTECTED]; FlexRadio biz flexradio@flex-radio.biz; Christos Nikolaou [EMAIL PROTECTED] Sent: Sunday, August 03, 2008 9:24 PM Subject: Re: [Flexradio] SDR-1000 PowerSDR v1.12.1 with dedicated I/Q settings per each band Gerald Youngblood wrote: Dear Chris, With respect, I

[Flexradio] SDR-1000 PowerSDR v1.12.1 with dedicated I/Q settings per each band

2008-07-28 Thread Christos Nikolaou
-- Forwarded message -- From: Christos Nikolaou [EMAIL PROTECTED] Date: Fri, Jul 25, 2008 at 10:36 PM Subject: Re: PowerSDR v1.12.0 with dedicated I/Q settings per band To: flexradio@flex-radio.biz Of course that is for the SDR-1000 models! forgot to mention this. On Fri, Jul 25, 2008 at 10:26

[Flexradio] PowerSDR v1.12.0 with dedicated I/Q settings per band

2008-07-25 Thread Christos Nikolaou
Hi, I have experimented with the 1.12.0 trunk and created a version that has dedicated phase/gain I/Q settings and image calibration specific for each band. Whenever you change band, the dials change too. Initialy all bands have 0 on all phase/gain dials and you have to adjust per each. On

Re: [Flexradio] PowerSDR v1.12.0 with dedicated I/Q settings per band

2008-07-25 Thread Christos Nikolaou
Of course that is for the SDR-1000 models! forgot to mention this. On Fri, Jul 25, 2008 at 10:26 PM, Christos Nikolaou [EMAIL PROTECTED] wrote: Hi, I have experimented with the 1.12.0 trunk and created a version that has dedicated phase/gain I/Q settings and image calibration specific