YMF795 Datasheet, PDF (36/45 Pages) YAMAHA CORPORATION – APL-2 Automobile sound Player-2

Using a resister R3 can obtain the following frequency characteristic.
C1 R1
EQ1
FM
VOL
EQ2
C2
R2
-
+
YMF795
R3
EQ3
VREF
Gain1= (R2+R3) /R1. Gain2=R3/R1.
Filter cutoff frequency of f1 and f2 is:
f1=1/ (2π×R1×C1).
f2=1/ (2π×R2×C2).
Gain
Gain1
Gain1-3dB
Gain2
Freq
f1
f2
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