Luciano, I will put this in OrCAD/CADENCE PSPICE over the weekend and see what it looks like.
-George On 11/14/2014 02:53 AM, tim...@timeok.it wrote: > George, > > you can replace the input transformer with the mini-circuits model > T2-613-1-KK81 or T662-KK81 for under 2 Dollars. The inductors L1 and L3 are > standards value you can find smd or standard on ebay. About L4 you can put > in place a standard 4.7uH value increasing the series capacitor for the 5MHz > notching.The 3.18uH is critical because it has the double function of low > pass filter and impedance adapter, so I suggest to made it as described or > using a smaller core. > > Luciano > > > > > On Thu 13/11/14 3:30 PM , xaos <x...@darksmile.net> wrote: > >> Luciano, >> >> This looks very nice. However, the inductors are >> custom made. It would be nice to have a >> off the shelf parts solution so it can be made >> easily. >> >> Any ideas ? >> >> -George, N2FGX >> On 11/13/2014 08:39 AM, tim...@timeok.it wrote: >>> Hi all, >>> >>> I can suggest a different solution I have tested to have some important >> improvement. First, the lower phase shift sensitivity with the use of a low >> pass filter in conjunction with two notch filters instead the high Q band >> pass filter, second the unity gain to avoid a 13/20 dB amplifier to restore >> the original power level. You can find in the link all the test we have >> done. >>> http://www.timeok.it/files/high_performance_frequency_doublerv13.pdf [1] >>> >>> I hope this can hep. >>> >>> Luciano >>> www.timeok.it [2] >>> >>> >>> >>> >>> On Thu 13/11/14 10:15 AM , Bert Kehren via time-nuts wrote: >>> >>>> We are using Wenzel with two filters see attached if it will pass. 20 >> Mhz >>>> is down more than 60 db and 5 MHz 55. Distribution Amp takes care of >> the >>>> rest. >>>> Bert Kehren >>>> >>>> In a message dated 11/12/2014 8:13:33 P.M. Eastern Standard Time, >>>> dgmin...@mediacombb.net writes: >>>> >>>> Just a few days ago, I ordered parts to build a couple of the Wenzel >>>> 2-diode >>>> doublers, described in the same article as your full-wave diode >> doubler, >>>> just in time to discover them on Ebay (via slow boat from China), item# >>>> 171511157159. I inspected the components and layout in the picture in >> the >>>> listing, and it certainly looks like the Wenzel FWB doubler. At $9.99 >>>> USD, >>>> the price is cheap enough, especially since you get SMA connectors on >> both >>>> ends. Might have to do a bit of solder work on the SMA connectors if >> you >>>> want to put it into a little box. >>>> The listing on the doubler on Ebay says that the low end is 10MHz, but >>>> I'll >>>> bet that it will get down to 5MHz quite easily If there's any trouble >>>> handling a 5MHz input, you could easily use a lower frequency ferrite >> for >>>> the balun and make it work. >>>> As you suggest, a BPF on the output and maybe a bit of amplification to >>>> get >>>> the level up to a usable level should get you a fairly clean 10 MHz. >>>> >>>> Dave M >>>> >>>> _______________________________________________ >>>> time-nuts mailing list -- time-nuts@febo.com >>>> To unsubscribe, go to >>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts [3] [1] >>>> and follow the instructions there. >>>> >>>> _______________________________________________ >>>> time-nuts mailing list -- time-nuts@febo.com >>>> To unsubscribe, go to >>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts [4] [2] >>>> and follow the instructions there. >>>> >>>> >>>> >>>> Links: >>>> ------ >>>> [1] >>>> >> http://webmail.timeok.it/parse.php?redirect=https://www.febo.com/cgi-bin/ma >> [5] >>>> ilman/listinfo/time-nuts[2] >>>> >> http://webmail.timeok.it/parse.php?redirect=https://www.febo.com/cgi-bin/ma >> [6] >>>> ilman/listinfo/time-nuts >>>> >>> Message sent via Atmail Open - http://atmail.org/ [7] >>> _______________________________________________ >>> time-nuts mailing list -- time-nuts@febo.com >>> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts [8] >>> and follow the instructions there. >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts [9] >> and follow the instructions there. >> >> >> >> Links: >> ------ >> [1] >> http://webmail.timeok.it/parse.php?redirect=http://www.timeok.it/files/high >> _performance_frequency_doublerv13.pdf[2] >> http://webmail.timeok.it/parse.php?redirect=http://www.timeok.it >> [3] >> http://webmail.timeok.it/parse.php?redirect=https://www.febo.com/cgi-bin/ma >> ilman/listinfo/time-nuts[4] >> http://webmail.timeok.it/parse.php?redirect=https://www.febo.com/cgi-bin/ma >> ilman/listinfo/time-nuts[5] >> http://webmail.timeok.it/parse.php?redirect=http://webmail.timeok.it/parse. >> php%3Fredirect%3Dhttps://www.febo.com/cgi-bin/ma[6] >> http://webmail.timeok.it/parse.php?redirect=http://webmail.timeok.it/parse. >> php%3Fredirect%3Dhttps://www.febo.com/cgi-bin/ma[7] >> http://webmail.timeok.it/parse.php?redirect=http://atmail.org/ >> [8] >> http://webmail.timeok.it/parse.php?redirect=https://www.febo.com/cgi-bin/ma >> ilman/listinfo/time-nuts[9] >> http://webmail.timeok.it/parse.php?redirect=https://www.febo.com/cgi-bin/ma >> ilman/listinfo/time-nuts >> > Message sent via Atmail Open - http://atmail.org/ > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.