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In Reply to: RE: Don't the inductors act like chokes? posted by warmfires on August 31, 2010 at 06:52:04:
Just as capacitors have parasitic inductances, and resistors have parasitic inductances and capacitances.
All real-world components have some of the other component types mixed in because there are no ideal materials and real materials require these things to take up a lot of space to do their functions.
The parasitic capacitance of a crossover inductor would allow RF to get past it. The choke would block some of that sneaky RF.
In technical terms, the resonant frequency of the inductor plus its parasitic capacitance determines where it stops being an inductor and starts being a capacitor. The bigger the inductance, the lower the resonant frequency.
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Follow Ups
- Inductors have parasitic capacitances. - Al Sekela 15:55:05 09/01/10 (0)
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