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Answer by Spehro Pefhany for Miller integrator ramp generator?
In the first circuit you can assume the voltage at the base is (roughly) fixed and ignore base current, so use KCL to sum the currents at the base, and we get (Vcc - Vbe)/Rb2 = C * d/dt (Vc).In reality...
View ArticleAnswer by Tony Stewart EE75 for Miller integrator ramp generator?
I can't think of any good reason to use any of those circuits.They have a very narrow design margin and are not scalable very far and work only at low frequencies. They integrate but do not dump...
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Miller integrator ramp generator?
In a page on Ramp Generators I found this peculiar circuit which is said to be superb in its linearity. But I can't make sense of it. It doesn't discuss any of the actual R and C values.I can see that...
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