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[SOLVED] what does mean "frequency trimming " in oscillators

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hi
i need information about frequency trimming, i want to know what is frequency trimming and information about it's basics, please help me and if you know any reference in this subject introduce to me, thanks
 

well a analog oscillator never oscillate at the right frequency, and so some trimming bit are need to fit it.
 

rca said:
well a analog oscillator never oscillate at the right frequency, and so some trimming bit are need to fit it.
Click to expand...
Thank's for your answer, but I don't have any knowledge about trimming and I want to know how the trimming bits are applied to oscillator??
 

it is really dependant of your oscillator-architecture.
you could trim cap, to vary it from x to y fF with a step of..., and by this compensate and technology variation.
 
Re: what does mean "frequency trimming " in oscillators

thanks i read your worth answers, i think get the general point of frequency trimming. i guess frequency trimming is a optional or manual way for tune or trim the output frequency of an oscillator. for example with a variable resistor or capacitor or with a series of switch we can trim the output frequency.
if i'm wrong, please let me know, thanks again

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