ML2111CCP View Datasheet(PDF) - Micro Linear Corporation
Part Name
Description
MFG CO.
'ML2111CCP' PDF : 26 Pages View PDF
FILTER FUNCTION DEFINITIONS (Continued)
2. Lowpass function: available at the LP output pins,
Figure 13.
G(s) = HOLP
s2 +
w02
s w0
Q
+
w
2
0
(2)
where:
HOLP = DC gain of the LP output
3. Highpass function: available only in mode 3 at
N/AP/HPA and N/AP/HPB, Figure 14.
G(s) = HOHP
s2 +
s2
s w0
Q
+
w
2
0
(3)
HOHP = Gain of the HP output for f ® fCLK/2.
ML2111
BANDPASS OUTPUT
HOBP
0.707 HOBP
fL f0 fH
f (LOG SCALE)
Q=
f0
fH -
fL
; f0
=
fL fH
fL = f0
-1 +
2Q
1
2Q
2
+
1
fH = f0
1+
2Q
1
2Q
2
+
1
LOWPASS OUTPUT
Figure 12.
HOP
HOLP
0.707 HOLP
fP
fC
f (LOG SCALE)
fC = f0
1-
1
2Q 2
+
2
1-
1
2Q 2
+1
fP = f0
1-
1
2Q 2
HOP = HOLP 1
Q
1
1-
1
4Q 2
Figure 13.
HIGHPASS OUTPUT
HOP
HOHP
0.707 HOHP
fC
fP
! "$### fC = f0
f (LOG SCALE)
1-
1
2Q 2
+
1-
1
2Q 2
-1
2
+1
! "$## fP = f0
-1
1-
1
2Q 2
HOP = HOHP 1
Q
1
1-
1
4Q 2
Figure 14.
13
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