| http://www.w3.org/ns/prov#value | - Secondly, varactor diodes are relatively lossy and so will exhibit a relatively low Q. The effect of a low Q on the tuned circuits of a typical TV tuneris to produce greater signal losses, to limit the sharpness, selectivity and narrow bandwidth capability of filters, and to increase the overall noise figure, and thereby increase the signal-to-noise ratio, of the tuner.Accordingly, there is a need
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