Datasheet

LTC1064
11
1064fb
TYPICAL APPLICATIO S
U
INPUT FREQUENCY (kHz)
0
GAIN (dB)
5
0
–5
–10
–15
–20
–25
–30
–35
–40
20
40
50
10 30
f
CLK
= 2MHz
1064 TA06
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
LTC1064
R22
R32
R23
R33
R43
R13
R14
R44
R34
R24
20k
R11
V
IN3
V
IN4
V
IN2
V
IN1
5V TO 8V
f
CLK
–5V TO –8V
V
OUT
1064 TA05
R12
R31
R21
17.4k
20k
20k
0.1µF
10.5k
RESISTOR VALUES:
R11 = 249k R21 = 10k R31 = 249k
R12 = 249k R22 = 10k R32 = 249k
R13 = 499k R23 = 10k R33 = 174k R43 = 17.8k
R14 = 453k R24 = 10k R34 = 249k R44 = 40.2k
0.1µF
–
+
LT1056
INPUT FREQUENCY (Hz)
10k
GAIN (dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k 1M
1064 TA04
V
S
= ±8V
f
CLK
= 7MHz
f
CLK
= 2MHz
INV B
HPB/NB
BPB
LPB
SB
AGND
V
+
SA
LPA
BPA
HPA/NA
INV A
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
INV C
HPC/NC
BPC
LPC
SC
V
–
CLK
50/100
LPD
BPD
HPD
INV D
LTC1064
R23
R33
R43
R24
R34
R44
R14
R13
R42
R32
R22
R12
R11
V
IN
5V TO 8V
f
CLK
≤ 7MHz
C1
C2
0.1µF
–5V TO –8V
V
OUT
1064 TA03
R41
R31
R21
0.1µF
RESISTOR VALUES:
R11 = 16k R21 = 16k R31 = 7.32k R41 = 10k
R12 = 10k R22 = 10k R32 = 22.6k R42 = 13.3k
R13 = 23.2k R23 = 13.3k R33 = 21.5k R43 = 10k
R14 = 6.8k R24 = 20k R34 = 15.4k R44 = 32.4k
NOTE: FOR f
CLK
≥ 3MHz, USE C1 = C2 = 22pF
Wideband Bandpass: Ratio of High to Low Corner Frequency Equal to 2
Amplitude Response
Quad Bandpass Filter with Center Frequency Equal to f
O
, 2f
O
, 3f
O
and 4f
O
Amplitude Response