Difference between revisions of "Crystals"
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Jump to navigationJump to search (Created page with "A rock that vibrates. Piezos. You can have your piezo and eat it too (if it's salt). Computers are a calculating rock. LEDs are a rock that emits light. The magic rock! ==...") |
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LEDs are a rock that emits light. | LEDs are a rock that emits light. | ||
| − | + | Magic rock. | |
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| + | ==Theory== | ||
| + | Digikey has crystals from 16KHz to 150MHz. They have oscillators from <1Hz to 150GHz. | ||
===List=== | ===List=== | ||
| − | * https://youtu.be/MbPeYd1N1Xg - How to characterize crystal parameters. This video walks through turning a crystal into a strict electrical circuit, so you can adjust the frequency, or calculate what capacitance is needed. | + | * https://youtu.be/MbPeYd1N1Xg - How to characterize crystal parameters. This video walks through turning a crystal into a strict electrical circuit, so you can adjust the frequency, or calculate what capacitance is needed. This subject matter is also covered in AoE, 3rd edition, section 7.1.6. |
| − | + | * https://www.statek.com/technical-papers/ - Some simple and good data sheets on quartz crystals. Recommended. | |
| + | * https://www.youtube.com/watch?v=yYGwfVnGAdg - The Signal Path youtube channel. Comparing Crystals with Ring Oscillators. The ring oscillators (based on 74 type logic) are much less accurate. | ||
| + | * https://en.wikipedia.org/wiki/Crystal_oscillator_frequencies - These are general oscillator frequencies, not really crystal frequencies. Nonetheless, this is a good resource of common frequencies in use with electronic devices. | ||
[[Category: online notes]] | [[Category: online notes]] | ||
Latest revision as of 14:00, 20 June 2026
A rock that vibrates. Piezos. You can have your piezo and eat it too (if it's salt).
Computers are a calculating rock.
LEDs are a rock that emits light.
Magic rock.
Theory
Digikey has crystals from 16KHz to 150MHz. They have oscillators from <1Hz to 150GHz.
List
- https://youtu.be/MbPeYd1N1Xg - How to characterize crystal parameters. This video walks through turning a crystal into a strict electrical circuit, so you can adjust the frequency, or calculate what capacitance is needed. This subject matter is also covered in AoE, 3rd edition, section 7.1.6.
- https://www.statek.com/technical-papers/ - Some simple and good data sheets on quartz crystals. Recommended.
- https://www.youtube.com/watch?v=yYGwfVnGAdg - The Signal Path youtube channel. Comparing Crystals with Ring Oscillators. The ring oscillators (based on 74 type logic) are much less accurate.
- https://en.wikipedia.org/wiki/Crystal_oscillator_frequencies - These are general oscillator frequencies, not really crystal frequencies. Nonetheless, this is a good resource of common frequencies in use with electronic devices.
