Here also a relay is involved ! On Fri, Feb 28, 2014 at 7:39 PM, Sandeep Lohia <sandeeplohia12@xxxxxxxxx>wrote: > for quick reference > --------------------------- > > here using (see attachment) from past 6 years... > I cut traces on (first BITX, single BJT in IF chain) with hobby knife, > made it multibander. > > thought, won't be able to pull single XTAL (making it unstable) so > used 2 X Xtal. > > I heard diode also acts as mixers, but never experienced any problem. > > I would also like to RX 40 M USB sometimes ( if U guys understands ) > so manual switching, with SPST toggle switch. > > ------------------------------ > > when my young bro returns, I'll ask him to take a photo of old BITX > PCB ( both component side & copper side) with diode-switching. > & I'll update here. > > now taking the PCB out of cabinet/enclosure. > > > 73's Sandeep > > > > -- > http://www.lohiaelectronics.com/sandeep/mimima.htm > -- Regards Sarma