Measuring the Dielectric Coefficient of PCB Material (033)

If you are planning a project that requires controlled impedance traces on a PC board, then you need to know certain things about the PC board material you are using. In this video I will be showing you how to gather some of this information like: * dielectric coefficient of the substrate * thickness of the substrate * thickness of the copper It is not a hard process. It isn't even highly technical. The average experimenter can do this with an inexpensive VNA like the nanoVNA or miniVNA tiny. Time Markers for Your Convenience ---------------------------- 00:05 Introductory Comments 01:01 Step 1: Measuring Physical Dimensions 01:27 Length & Width 03:22 Material Thickness 04:20 Step 2: Calculating Physical Dimensions 04:27 Copper Area 05:28 Dielectric Thickness 07:17 The Results in One Place 07:36 Step 3: Measuring the Capacitance 09:18 PCB Material Preparation 10:09 Preparing the nanoVNA 13:49 Measuring the PCB Capacitance 14:46 Step 4: Calculating the Dielectric Coefficient of the PCB Material 16:46 Final Comments and Toodle-oots -----------------------------