How to design RF mixer

Hi,I'm student of electrical engineering. I need to design rf mixer on ads by using modelithics.
THE PCB IS FR4 (Er=4.6)
RF=2.45GHz.
IF=100MHz.
LO=2.35GH.
I searched a lot on the internet but unfortunately, I don't know how to start.
any help?

It is not enough specification. Collect how much are noise figure, input/output impedance, 1dB compression point, conversion gain, single or double balanced mixer.

What type of Mixer you would to design ?
-Integrated or Discrete ?
-Active or Passive ?
-Diode or Transistor ?
-Single Balanced or Double Balanced or Triple balanced ?
-Specs ?
Questions...

Welcome to the lazy student forum.