WM8985 Datasheet, PDF (115/118 Pages) Wolfson Microelectronics plc – Multimedia CODEC With Class D Headphone and Line Out

Pre-Production
WM8985
Figure 63 shows the result of having the gain set on more than one channel simultaneously. The
blue traces show each band (lowest cut-off/centre frequency) with ±12dB gain. The red traces show
the cumulative effect of all bands with +12dB gain and all bands -12dB gain, with EqxBW=0 for the
peak filters.
20
15
10
5
0
-5
-10
-15
10^-1
10⁰
10¹
10²
10³
10⁴
10⁵
Frequency (Hz)
Figure 63 Cumulative Frequency Boost/Cut
w
PP, Rev 3.4, October 2006
115