Bias-Tee Design for an RF Circuit

[EEuser]

Homework Statement

Design a Bias-Tee for a signal frequency of 10 GHz. Detail your solution by drawing a schematic and indicating Z0 and cable length.

Relevant Equations

see below

Am having a difficult time with Bias-Tees. I do not know how to get the characteristic impedance (although I assume it uses the equation below)

How would you use this if you are not given the R and the G? You could guess L and C. I know how Bias-Tees work and that a typical schematic would look like image below.

Any help would be greatly appreciated :)

 

[trurle]

Bias tee is high-pass filter. You should have its cutoff frequency (at which Z is roughly equal to 50 Ohm) well below your operating frequency.