ABOUT microwave circuits construcition

Hi:

Any in this forum was used a LPKF machine to constuct microwave circuits on lab...

pls can u tell me u experience.. with this type of machine.. and diferents substrates.

Hints, troubles, etc.

sorry for English grammar...

i have used this machine with rf circuits , i implemented a filter the substarete is 1mm FR4

it gives a good agrement between simulatin and measurements


khouly

what about alumina?

i didnot use it

if u use it tell me the performance


khouly