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Q Relationships in a Parallel-Resonant Circuit | Up
Neets Module 09-Introduction to Wave-Generators and Wave-Shaping Circuits | Next
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1-28
Table 1-2.—Major Characteristics of Parallel RLC Circuits at
Resonance
Summary of Q
The ratio that is called Q is a measure of the quality of resonant circuits and circuit components.
Basically, the value of Q is an inverse function of electrical power dissipated through circuit resistance. Q
is the ratio of the power stored in the reactive components to the power dissipated in the resistance. That
is, high power loss is low Q; low power loss is high Q.
Circuit designers provide the proper Q. As a technician, you should know what can change Q and
what quantities in a circuit are affected by such a change.
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