14
14.3 Series Resonance (5)
Quality factor
,
•
The quality factor is the
ratio
of its
resonant frequency
to its
bandwidth
.
•
If the bandwidth is
narrow
,
the
quality factor of the resonant circuit
must be
high
.
•
If the band of frequencies is
wide
,
the quality factor must be
low
.
The relationship
between the B, Q
and ω
o
: