- Hi AllI have a UHFSDR transiver and USB2SDR sound card and run fine .... now itit would be nice to be able to change various transverter with the help of the PSDRbut it is impossible .... so my question is ... how do you change your transverterstill the old-fashioned mechanical switch ????OZ1CT Bent
Have a look at this implementation with transverter usage having UHFSDR and USB2SDR, it might be useful.
I have a 6 meter transverter becauce I never was happy with the performance of the orignal Flex1K
switches. I use 14.5MHZ as the IF along with a old-fashioned switch. On the old fashioned Flex the external
control leads where muxed on the LPT1 port which no longer exist.
- Hi Christiosthis page is very nice....but there is no construktions about building a "switch".... if we just could getPSDR to use the UBC code in the transverter setup.... realy nice just to clik on the PSDR cange band andthen run the DX ;-)OZ1CT Bent
- HI ChristosThis page is very nice...but there is no inf about any "switch-system"..... but on the USB2SDR card we have a I2C bus on DB15 pin 13+14 is possible to get some inf about this port ??? is this working whit PSDR ?? and is it possible to use a PCF8574 ic as http://k3tuf.com/FW.html is using on his small board...OZ1CT Bent
The I2C lines on DB15 are used to be control the Si570 so far.
I understand that you want some automated (via DB15) means of control for your normal to transverter and vice versa transition, yet that is not implemented currently.
You can quite easily use a simple manual switch for it though..