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What is purpose of "Sweep" on a function generator

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lyzrdstomp

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I just bought my first function generator–a used Tektronix cfg250. Unfortunately, there was no manual of any kind.

I'm primarily using it to feed a signal into parts of a circuit, then use a scope to see how the signal changes.

But another part of the fg is Sweep (internal/external), Sweep rate and Sweep Width. What is the purpose of "sweep" on a function generator and, if I were a real technician, why would I want that?

It also has DC offset and Duty... how are those important?

I guess I'm not asking for dictionary definitions of these features, but why or how they are used in the "real world"...

Thanks.
 

Re: What is purpose of "Sweep" on a function gener

DC offset is used to see how your DTE (device under test - maybe amplifier or whatever) acts when receiving the signal superimposed over a DC component
(it may be not "filtered" out, it could cause saturation and so on, especially critical for telephone equipment).
Sweeping is used to see how thw DTE reacts when inputing a rapid changing signal
(following up) or to test half automatically its bandwidth.
I hope I helped partially, if you ll ask for, I can detail and give you more examples
 

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