Cecil, thanks for the pointers. They look as interesting devices. May be they are not blindly fast, especially the ADG824, but I think that, judging from the specs, the ADG859 could be used up to the 40 meter band. I will check tomorrow if AD offers samples of these two devices, and I will ask for some if they do. Not that I have in my immediate future the project of building a new QSD, but having in the drawer the components ready for doing it, can be of help. And in any case I am intending next year to experiment a quadrature mixer in the form of a double H-mixer which, according to some, can offer an IIP3 greater than the sampling detector.
73 Alberto I2PHD ------------------------------- KD5NWA wrote: > Alberto, have you looked or tried these two devices? > > Low resistance, 1.3 Ohms, faster switch; > > < http://www.analog.com/en/prod/0,2877,ADG859,00.html > > > Single switch with very low on resistance, 0.28 Ohm > < http://www.analog.com/en/prod/0,2877,ADG842,00.html > > ------------------------ Yahoo! Groups Sponsor --------------------~--> Get fast access to your favorite Yahoo! Groups. Make Yahoo! your home page http://us.click.yahoo.com/dpRU5A/wUILAA/yQLSAA/ELTolB/TM --------------------------------------------------------------------~-> Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/soft_radio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
