[time-nuts] Quad Driven Mixer 5 to 10 MHz Doubler Article
EWKehren at aol.com
EWKehren at aol.com
Thu Nov 13 09:15:23 UTC 2014
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,
dgminala at 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
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