broad tuning

broad tuning

[¦brȯd ¦tün·iŋ]
(electronics)
Poor selectivity in a radio receiver, causing reception of two or more stations at a single setting of the tuning dial.
References in periodicals archive ?
This extraordinary, new laser system features ultrashort pulses over a very broad tuning range of 680 to 1300 nm for deepest imaging, delivering continuous, fully-automated tuning from a single beam.
One benefit that is not immediately clear from this plot is that the filter has a narrow instantaneous passband to provide high frequency discrimination to nearby frequencies and has a broad tuning range so it can cover many more channels than broadband filters.