how to design ka-band microwave mixer using FET?

hi..
my name hafiz and currently a master student at USM, Malaysia..
my research is about mixer at RF front end..the mixer must be designed by using FET which means conversion gain and operate at Ka-band frequency.however, i dont how to start my research..can anyone help me?and where can i get the ready made mixer (diode and FET) to buy and make comparison?

tq

read Microwave mixers by steve Maas , this book is great
it will give u a god start point about microwave fet mixers

khouly

do MMIC or MIC?

i think it can be done on both. but the basics are the basics

khouly