Uploaded July 2021 | Updated September 2026, 1 week ago

---

#126 #ltspice
In this video I look at how quartz crystals can be modeled using LTspice. Considering there are not a lot of available models out there, afterwards I look at how the necessary parameters can be measured on practical components.

More videos on crystals:
LTspice Crystal modeling: youtu.be/MWQCZGXpSSc
Oscillation frequency measurement: youtu.be/cygasKvdbP8
Drive level measurement: youtu.be/DQ1Gsfw5nk0
Negative resistance measurement: youtu.be/scc17Z8126c

Datasheets used:
abracon.com/Support/SPICE/Resonators/ABM8-Series%20ParameterTest%20Data_SPICE%20MODEL.pdf
https://www.tme.eu/Document/6527d4ac6cd20f858e4312ccc80ef7ce/YIC-49US_49SMT-quartz_crystal.pdf
ctscorp.com/wp-content/uploads/ATS-ATSSM.pdf

Further reading:
ecsxtal.com/news-resources/electronic-components-technical-guides/125-electronic-component-technical-guides/124-quartz-crystal-design-parameters
txccrystal.com/term.html

LTspice Tutorial series:
EP1-Getting started:
youtu.be/JRcyHuyb1V0
EP2-AC simulation and the Baxandall tone control circuit:
youtu.be/P_ENvucaZkI
EP3-.param and .step directives:
youtu.be/ARE5nwiHI0Q
EP4-How to import libraries and component models: youtu.be/8V5XabccFaE
Ep5- Stock example simulations to play with: youtu.be/MwfeMjcM4zY
Ep6- Basics of FFT analysis and .four statment: youtu.be/rVAvW1Jh2AE
EP7- Dependent voltage and current sources
youtu.be/Jn8mJG3qeoo
Ep8- Turning a datasheet into a component model
youtu.be/0smuo8bMRn4
EP9- Independent voltage and current sources
youtu.be/nPZ7vneN3v8
Ep10- .wave statement and audio file processing
youtu.be/mdJm-TzrBsA
Ep11 The effect of temperature on your circuit
youtu.be/VzxnNrOMcMo
EP12 Modeling a DC brushed motor
youtu.be/Wc4XzTrWSpo
Ep13- Worst Case, Monte Carlo and Gaussian statistics circuit analysis
youtu.be/NdGqboW2VcY
EP14 - Digital circuits and logic gates youtu.be/JttE2NObDPM
EP15- SMPS EMI and electrical noise and filters
youtu.be/QEAzcaiBrpY
EP16- Feedback loop simulation
youtu.be/X4yaBwaO1gk
Ep17 - Verifying Simulation Models
youtu.be/DSDiIkKQaAE
Ep18 - Simulating Capacitors
youtu.be/QpWPTolhfEo
Ep 19 - Simulating Inductors
youtu.be/65fNDRows90
EP 20 - Noise simulations
youtu.be/Dh5XmFXlljI
Ep21 - Models and Libraries
youtu.be/GUFMfSlD2AM
Ep22- Voltage and current limited source
youtu.be/DnKnuJd3-ec
Ep23- Measuring Power Factor
youtu.be/qZXOMPxbqh8
Ep24 - Modeling a vacuum tube triode
youtu.be/7v9dG1uteAQ
Ep25- Using standard symbols
youtu.be/BFMVujjH0lo
Ep26- Modeling transformers
youtu.be/muUwe8X51oY
Ep27 - Stepping sets of parameters
youtu.be/1iOzX91LJ8g
EP28 - Simulating Quartz crystals
youtu.be/MWQCZGXpSSc

Special Thanks to all my supporters on Patreon! Especially @afiskon and Ralf B.!

If you liked this video be sure to check out my other videos and you can also subscribe to be up to date with all the new ones!
If you want to support the creation of more and better videos please consider checking out: patreon.com/feszelectronics