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Community Tip - Visit the PTCooler (the community lounge) to get to know your fellow community members and check out some of Dale's Friday Humor posts! X

My First Oscillator 45-years Ago

aallawi
8-Gravel

My First Oscillator 45-years Ago


This worksheet will give the design of in-line cavity resonator used in my oscillator 45-years ago. The tube was 5893-pencil type or 2C40-lighthouse type. At that time there was no Mathcad available and it shows the difficulties in calculations without Mathcad. Later designs were based on microwave semiconductors based on Y/S parameters or Bessel functions for low phase noise. Enjoy reading.

4 REPLIES 4
Derbigdog
15-Moonstone
(To:aallawi)

Thanks it brought back some memories for me.

Fine!

But why do you not use units. Now (45 years ego) we can do it! With Mathcad!

Thanks Sir

Yes Sir, For simplicity I did not use units, but I did with my previous worksheets. Thank you

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