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How to Generate 1MHz Output Using a 2-Pin Crystal Oscillator?

How to Generate 1MHz Output Using a 2-Pin Crystal Oscillator?

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#1 21671006 10 Feb 2014 12:01

Raghav Ranjit Raghav Ranjit

Anonymous

Post #1
21671006 10 Feb 2014 12:01

I have a 2 pin crystal oscillators.
How to get 1Mhz from that.
Please help me to do that.

Regards,
Raghav Ranjit
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#2 21671007 10 Feb 2014 17:18

DAVID CUTHBERT DAVID CUTHBERT

Anonymous

Post #2
21671007 10 Feb 2014 17:18

A very simple oscillator can be built using one CMOS inverter. This article shows how to do it (see Figure 3).

http://www.icbase.com/pdf/add/ti/AN-101-00039en.pdf

I've used this circuit many times and it works well. The disadvantage is high crystal drive that can age the crystal, causing the frequency to change more over time more than when a gentler circuit is used.
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