IPC-2581 SPECs in PCB Editor: RAK
Learn more at Cadence Support Portal - https://support.cadence.com
© 2019 Cadence Design Systems, Inc. All rights reserved w orldw ide. Page 14
4. Define the SPEC Values:
a. In the Spec Property Definition form, set the data type to Number.
b. Enter the value as 50.
c. Using the dropdown menu, set the unit to OHMS.
d. Set the Tol. By to Percentage.
e. Enter the Tol. Plus value of 3 (will be 3%).
f. Enter the Tol. Minus value of 3 (will be 3%).
g. Select OK.
5. The SPEC type property is now defined for the IMPDENCE_50 SPEC.
6. SPEC definition is complete. Select OK to close the form.