Talk:Active-filter tuned oscillator

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Forcing function

The roots of the characteristics equation can be found by solving the differential equation.

https://en.wikipedia.org/wiki/Forcing_function_(differential_equations)

The characteristic equation explanation:

https://en.wikipedia.org/wiki/Characteristic_equation_(calculus)

MansourJE (talk) 09:08, 23 July 2015 (UTC)[reply]

Phase Shift

Phase shift can happen in other frequencies and total loop phase shift = 180°. http://web.ics.purdue.edu/~ebaytok/projects/Oscillator.pdf

MansourJE (talk) 17:53, 24 July 2015 (UTC)[reply]

MansourJE (talk) 02:10, 18 September 2015 (UTC)[reply]

Unstable system

With sinusoidal excitation feedback from the controlled voltage feedback which is greater or equal to the reference input at any frequency, the system is unstable.

http://web.mit.edu/klund/www/weblatex/node4.html

MansourJE (talk) 06:30, 18 Sep 2015 (UTC)

MansourJE (talk) 14:18, 5 November 2015 (UTC)[reply]