Other Parts Discussed in Thread: CC3100, CC3200
Hello,
I have a question about the track width of the track going from the chip to the antenna. As i searched, on this board the antenna track is done as GCPW (Grounded Coplaner Waveguide). I downloaded the gerber files of CC3200-LAUNCHXL board and measured these parametars:
Track width: 0.46 mm
Gap between track and copper: 0.38 mm
Tickness of board: 1 mm
Relative Dielectric Constant: 4 (i took that value as a refrence)
With these parametars i get a impedance of ~80 Ω instead of the desired 50 Ω. Am i missing something? What is wrong here if in the datasheet of CC3200/CC3100 it says it should be the impedance of 50 Ω.
Thank you for your answer in advance.
