H-MODE HIGH LEVEL MIXER FOR HF WITH FST3125M IC 
IT CAN ACHIEVE AN OUTSTANDING IIP3 =~ +35dBm to   + 40 dBm

See my faster and wider site at http://xoomer.virgilio.it/sergiocartoceti/

 My article titled

  " A Doubly Balanced "H-mode" Mixer for HF   " 
By Sergio Cartoceti, IK4AUY

  is  in July/August 2004 QEX (ARRL ) Magazine, pages 23 - 32

(reproductions only with permission: copyright ARRL, QEX July/August 2004, all rights reserved). This material originally appeared  in QEX:Forum for Communications Experimenters
 www.arrl.org/qex
 

Best Regards de IK4AUY, Sergio 

Last update: 14 October 2004.