 
 |
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|
 Q |
What
is the application of X'tal and oscillator?
|
|
A
|
| Crystal |
Digital camera,
wireless, computers, interface cards, telephones,
pagers, remote controllers, GPS, A/V products. |
| Oscillator |
Wireless, computers,
GPS, A/V products, etc. |
| VCXO |
Modems, ADSL, wireless
base stations, switching equipment, etc. |
| TCXO/VCTCXO |
Cell phones, wireless
base stations, precision apparatus, GPS, etc. |
| Saw Filter |
Wireless transceiver,
cell phones, etc. |
|
|
|
Q
|
What
is the "AT-CUT" ?
|
|
A
|
A
plate cut from a crystal of quartz in such a way that
the plate contains the X-axis and makes an angle of about
35 1/4°which the optic axis on the r side. |
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|
|
Q
|
What
is the "Spurious mode" ?
|
|
A
|
One
of the undesired modes of vibration of a piezoid. Usually
refers to one of the inharmonic overtone modes. (Spur-Contraction
of spurious mode)
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|
|
|
Q
|
What
is the "Jitter" and it's significance? |
|
A
|
Jitter
is short-term variations of the significant instants
of a digital signal from their ideal positions in time.
The expected edges in a digital datastream never occur
exactly where desired. Defining and measuring the timing
accuracy of those edges (jitter) is critical to the
performance of synchronous communication systems.
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