What is an RF Choke and why would I use one?
by 
blrose1228
ANSWERS: 1
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"RF" of course means "Radio (high) Frequency" and "choke" refers to choking it off or blocking it. It would be used in series with a circuit that will be adversely affected in some way by the presence of RF, but must operate in the presence of it. It will be a coil or possibly a more sophisticated circuit, which does not present a significant impedance up to frequencies the protected circuit is intended to process.
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