Yep, that was the problem with Rocky - how is the address changed in Winrad? I could not find the change with Winrad.
73 de Ken H> K9FV --- In [email protected], "Chris Stake" <[EMAIL PROTECTED]> wrote: > > Could it be the address 55 Hex, 85 Decimal? > > Chris > > > > > > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of sailingto > Sent: 24 November 2008 03:16 > To: [email protected] > Subject: [soft_radio] Si570 tests in Winrad > > > > hello everyone one - Please pardon this cross post to SoftRock40 > group also. > > I got the Si570 chip installed tonight (Sunday) to my V9.0 Lite RX > and it tests ok using the USB_Synth.exe program. I only have the > power supply and LO section installed - not to the divider yet. > > I can change freq - and they do change and the signal freq changes. > I am monitoring the signal on a 756Pro and on my scope. The signal > on pin 4 of J1 tests at about 5.6 p-p at 4 mhz. For some reason the > chip will NOT operate below 3.5 mhz - what gives???? It will go up > waaay high - to a gighz I think. I could see the signal increase on > the scope up to 200 mhz, with the signal present on my 2 meter FM > receiver at 146.82 mhz. > > Problem: When trying to change freq using Winrad (dll installed) the > Si570 option is present, and it seems like it's working - no error is > given, but the freq defaults to the 56 mhz range of freq and will not > change. I tried Rocky, but it does not change either. > > In Rocky, the Si570 is checked on the DSP tab, with address of 55 (I > think I had to change that), the freq is set at 3500000hz with a > divisor of 4 - that sure seems like that should be "Multi" rather > than "divisor" as it is in the USB_Synth.exe program. I was able to > calibrate the USB_Synth.exe program so the freq reads out exactly as > it should be on the 756Pro display. > > Any ideas why Winrad is not working to change freq? Winrad is my > favorite program to date for RX. > > Rocky for that matter - Rocky does not see a sound card, but still > should change freqs in the Si570 chip - shouldn't it? > > Thanks to all for any info. > > 73 de Ken H> K9FV >
