Chapter 6
PCB Calculators
6-2
ni.com
The
PCB Transmission Line Calculator
supports:
•
•
Embedded Microstrip Trace Calculations
•
Centered Stripline Trace Calculations
•
Asymmetric Stripline Trace Calculations
•
Dual Stripline Trace Calculations
Microstrip Trace Calculations
Complete the following steps to perform microstrip trace calculations:
1.
Select
Tools»PCB Transmission Line Calculator
.
2.
Select
Microstrip
in the
Type
drop-down list.
3.
In the
Input Data
area, edit the following fields as desired.
•
Input Length Unit
—Select mils or millimeters.
•
Dielectric Thickness (H)
—Refer to the figure below.
•
Trace Thickness (T)
—Refer to the figure below.
•
Trace Width (W)
—Refer to the figure below.
•
Relative Permittivity (epsilon r)
—Refer to the figure below.
4.
Click
Calculate
. Results of the calculation appear in the
Calculation
Results
area. They also appear in the
Results
tab of the
Spreadsheet
View
.
5.
Click
Close
to close the
PCB Transmission Line Calculator
.