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impedance matching
(redirected from Impedance match)

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impedance matching
n.
The use of electric circuits, transmission lines, and other devices to make the impedance of a load equal to the internal impedance of the source of power, thereby making possible the most efficient transfer of power.
impedance matching
A technique of electric circuit design in which one component provides power to another, and the output circuit of the first component has the same impedance as the input circuit of the second component. Maximum power transfer is achieved when the impedances in both circuits are exactly the same. Impedance matching is important wherever power needs to be transmitted efficiently, as in the design of power lines, transformers, and signal-processing devices such as audio and computer circuits.
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The impedance match between the available input signal impedance and the particular guitar amp''s input signal impedance must be ensured.
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The return loss provides information about the impedance match of the interconnect to a 50[OMEGA] system, while the insertion loss provides information about the signal quality of the transmitted signal and the bandwidth of the interconnect.
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This is not a good impedance match and the pull up current changes with the termpwr voltage.
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