Software for impedance calculation and test coupon design:
ICD Stackup Planner from In-Circuit Design Pty Ltd. (www.icd.com.au)
Controlled impedance measuring device:
Zmetrix ST300 from ZMetrix, Inc. (www.zmetrix.com)
Measurement according IPC-2141A (www.ipc.org)
Example of impedance calculation and test coupon design
Zmetrix controlled impedance workstation
Controlled impedance measurement
Zmetrix controlled impedance software
Example of controlled impedance test protocol
PCB with the controlled impedance test coupon
