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Old 16th January 2004, 03:22 PM   #1
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Join Date: Feb 2003
Default crystal with three pins..


I am tweaking i2S asynchronization reclock ELSO designed for DAC.
In my city the 100Mhz crystal is not available, so I used a 50Mhz one temporarily.
Finally, I bought a 97.5Mhz one today.
But it is not similar to conventional crystal with two pins, there are three pins under it!
I don't know how to connect it to PCB as two pins crystal.
Here's looking at you, kid.
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Old 16th January 2004, 03:29 PM   #2
lux0 is offline lux0  Canada
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Join Date: Nov 2003
Location: Canada
The thired poin is probably the package ground. Check it with an ohmeter.
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Old 16th January 2004, 03:29 PM   #3
azira is offline azira  United States
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Location: Near Seattle
Sorry for the obvious but....

is it a crystal or an oscillator? If it's an oscillator you would have 3 pins, pwr, gnd, and out.
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Old 16th January 2004, 03:43 PM   #4
Electrons are yellow and more is better!
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Location: Göteborg, Sweden
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Maybe a crystal filter for narrow IF amps
/Per-Anders (my first name) or P-A as my friends call me
PA03 LM4780 amplifier group buy, SIGN UP HERE for the group buy 0 boards left. 118 paid.
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Old 16th January 2004, 03:50 PM   #5
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I just tried.
Oh yes, the third pin is connected to ground.
Thank you.
Here's looking at you, kid.
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