Timeline for Why is signal on XTAL1 and XTAL2 a sine wave (not square)?
Current License: CC BY-SA 3.0
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| Apr 27, 2018 at 23:01 | comment | added | supercat | @rackandboneman: That's part of what I meant by converting applied energy into mechanical degradation. EMI is another consideration as well, but may key point is that using a small transistor to drive the crystal weakly is both better and cheaper than trying to use a big one to force a square wave. | |
| Apr 27, 2018 at 22:59 | comment | added | rackandboneman | Not only that: Overdriving a crystal with a powerful squarewave is sometimes opined as being detrimental to long term crystal life/stability, and also is an EMI source... | |
| Apr 27, 2018 at 22:06 | history | answered | supercat | CC BY-SA 3.0 |