100 MHz third overtone crystal oscillator

Couple of years ago I purchased from a local store 100 MHz crystal resonator and tried several times to make a working schematic on breadboard using standard circuits I found on the internet. It never worked good enough, usually oscillating at 33.3 MHz instead of 100 MHz. Finally, I found that the crystal is third overtone type. Here some documents, that were useful for this project:

1. https://www.analog.com/media/en/technical-documentation/application-notes/EE-168.pdf

2. https://www.crystek.com/documents/appnotes/pierce-gateintroduction.pdf

3. http://www.conwin.com/pdfs/EP-3rd-Overtone_April-2013.pdf

I used as a base the schematic from first document and here what I design:

100MHz frequency counter with LCD display

Update November 26, 2015:
I made a full project with preamp/signal conditioning and power supply with soft on/of switch. It is published here.


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This is the same as the previous frequency counter but the output is on the 16x2 LCD display.
For more details about how it work look here: http://diyfan.blogspot.bg/2015/08/100mhz-frequency-counter.html