MF10 NSC [National Semiconductor], MF10 Datasheet - Page 12

• Manufacturer Part Number: MF10
• Description: Universal Monolithic Dual Switched Capacitor Filter
• Manufacturer: NSC [National Semiconductor]

2 0 Modes of Operation
MODE 5 Numerator Complex Zeros BP LP
(See Figure 13 )
f
f
Q
Q
H
H
H
H
O
z
0 z1
0 z2
OBP
OLP
Z
e
e
e
e
e
e
e b
e b
gain at C Z output (as f
b
gain at C Z output as f
1
1
R1(R2
R2(R4
1
1
a
b
R2
R1
R2
R2
b
a
R1 R4
R2 R4
R2
R4
R2
R4
a
a
a
a
b
1
R1
R4
c
c
R4)
R1)
f
c
f
c
100
100
CLK
CLK
c
c
R3
R1
R3
R2
R3
R2
R4
R1
or
or
1
1
b
a
R1
R4
R2
R4
f
0 Hz)
(Continued)
CLK
2
c
c
f
f
CLK
CLK
50
50
e
b
R1
R2
FIGURE 14 MODE 6a
FIGURE 15 MODE 6b
FIGURE 13 MODE 5
12
MODE 6a Single Pole HP LP Filter (See Figure 14 )
f
H
H
MODE 6b Single Pole LP Filter (Inverting and Non-In-
verting) (See Figure 15 )
f
H
H
c
c
OLP
OHP
OLP1
OLP2
e
e
e b
e b
e
j
e
e b
cutoff frequency of LP or HP output
R2
R3
R2
R3
cutoff frequency of LP outputs
1 (non-inverting)
R3
R1
R2
R1
R3
R2
f
100
CLK
f
100
CLK
or
or
R2
R3
R2
R3
TL H 10399 – 24
f
CLK
f
50
CLK
50
TL H 10399 – 23
TL H 10399 – 22