#319: Measuring Crystals with NanoVNA and other tools

This video shows several methods for measuring crystal parameters using the NanoVNA and other tools. Timeline:
0:00 Introduction
0:10 The Basic Crystal circuit model
0:58 The measurement reference paper by K8ZOA
1:44 The Equipment Used
2:36 The Measurements & Methods used
3:00 Tips for using the NanoVNA for Crystal measurements
3:49 Defining C0 - the holder capacitance
4:43 Measure C0 with the AADE L/C Meter
5:11 Measure C0 with the DER EE DE-5000 LCR Meter
5:30 Measure C0 with the NanoVNA
6:19 Summary of C0 results
6:28 Custom 50 ohm "thru" fixture for the NanoVNA
7:29 Overview of NanoVNA traces used for crystal measurements
8:50 Measure Rm with NanoVNA
11:08 G3UUR Method for Cm & Lm
12:42 NanoVNA Phase Shift Method for Cm & Lm
15:07 NanoVNA -3dB Method for Cm & Lm
17:01 NanoVNA Series/Parallel Method for Cm & Lm
18:50 Summary of results

Link to the K8ZOA paper:
https://www.mikrocontroller.net/attachment/473317/Crystal_Motional_Parameters.pdf
Link to the G3UUR test oscillator build video:
https://www.youtube.com/watch?v=blalAktxFoI
Link to the video notes pages:
http://www.qsl.net/w2aew/youtube/crystal_measurements_nanovna.pdf

Видео #319: Measuring Crystals with NanoVNA and other tools канала w2aew