Polyakov MOSFET mixer

 This translated article fro 1983:  

http://zpostbox.ru/rf_mixer_for_direct_conversion_receivers.html

refers to this Polyakov article in April 1983 Radio, pages 19 & 20:

And an interesting footnote to the article is this US patent :

https://patents.google.com/patent/US3383601

from the famous radio designer, William K. Squires of Squires-Sanders.  Here is an interesting page on Squires-Sanders:

http://www.radiopharos.it/SQUIRES-SANDERS,%20INC._n.p._4.htm

I definitely have to try this circuit though.

Best Regards,
Chuck, WB9KZY
http://wb9kzy.com/ham.htm