Datasheet

12
LTC1060
1060fb
Figure 6. Mode 1b: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
Figure 7. Mode 1c: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
Figure 8. Mode 2: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
Figure 9. Mode 2a: 2nd Order Filter Providing Notch,
Bandpass, Lowpass
1/2 LTC1060
S
A/B
V
IN
1
+
–
–
–
+
R3
R6 R5
R2
R1
NLP
(20)
BP
(19)
S1A
(16)
V
–
(17)
15
4
3 5
2
Σ
6
f
0
=; f
n
= f
0
; Q =
f
CLK
100(50)
TLC1060 • MOO03
f
CLK
2
R6
R5 + R6
R6
R5 + R6
R3
R2
()
–R2/R1
R6/(R5 + R6)
R2
R1
H
0N1
(f 0) = H
0N2
= –
R3
R1
–; H
0LP
= ; R5 < 5kΩ; H
0BP
= f
← ←
∫∫
1/2 LTC1060
S
A/B
V
IN
1
+
–
–
–
+
R3
R6 R5
R2
R1
N
(18)
LP
(20)
BP
(19)
S1A
(16)
V
+
(17)
15
4
3
5 2
Σ
6
f
0
=1 +; f
n
= f
0
; Q = ;
f
CLK
100(50)
TLC1060 • MOO04
f
CLK
2
R6
R5 + R6
R3
R2
()
1 +
R6
R5 + R6
–R2/R1
1 + R6/(R5 + R6)
R2
R1
H
0N1
(f 0) = H
0N2
= –
R3
R1
; H
0BP
= – ; H
0LP
= ; R5 < 5kΩ f
← ←
∫∫
1/2 LTC1060
S
A/B
V
IN
1
+
–
–
–
+
R3
R4
R2
R1
N
(18)
LP
(20)
BP
(19)
S1A
(16)
V
+
(17)
15
4
3 5
2
Σ
6
f
0
=1 +; f
n
= ; Q = ; H
0LP
=
f
CLK
100(50)
TLC1060 • MOO05
f
CLK
100(50)
f
CLK
2
R3
R2
R2
R4
()
1 +
R2
R4
–R2/R1
1 + (R2 + R4)
–R2/R1
1 + (R2 + R4)
H
0BP
= – R3/R1 ; H
0N1
(f 0) == – R2/R1; H
0N2
= f
← ←
∫
∫
1/2 LTC1060
S
A/B
V
IN
1
+
–
–
–
+
R3
R6 R5
R4
R2
R1
N
(18)
LP
(20)
BP
(19)
S1A
(16)
V
+
(17)
15
4
3 5
2
Σ
6
f
0
=1 ++; f
n
= ; Q =
f
CLK
100(50)
TLC1060 • MOO06
f
CLK
100(50)
f
CLK
2
R3
R2
R2
R1
R2
R4
()
R6
R5 + R6
1 + +
R2
R4
R6
R5 + R6
1 +
R6
R5 + R6
1 + R6/(R5 + R6)
1 + (R2/R4) + [R6/(R5 + R6)]
–R2/R1
1 + (R2/R4) + [R6/(R5 + R6)]
H
0N1
(f 0) = – = – R2/R1; H
0N2
f
← ←
H
0BP
= – R3/R1 ; H
0LP
=
∫
∫
ODES OF OPERATIO
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