
LTC1064
15
1064fb
TYPICAL APPLICATIO S
U
INPUT FREQUENCY (Hz)
10k
GAIN
(dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k
1M
1064 TA18
VS = ±8V
fCLK = 4.5MHz
fCLK = 50% DUTY CYCLE
f–3dB = 70kHz
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
R21
R31
R41
R22
R32
R42
R12
R44
R34
R24
5V TO 8V
0.1
F
TO V+
–5V TO –8V
TO R13
VOUT
VIN1
FROM
PIN 20
1064 TA17
R43
R33
R23
RESISTOR VALUES:
R11 = 34.8k
R21 = 34.8k
R31 = 14.3k
R41 = 40.2k
R12 = 10.5k
R22 = 45.3k
R32 = 22.1k
R42 = 39.2k
R13 = 12.7k
R23 = 34.8k
R33 = 24.3k
R43 = 20k
R14 = 20k
R24 = 34.8k
R34 = 13.3k
R44 = 20k
WIDEBAND NOISE = 70
VRMS
fCLK
≤7MHz
R14
R13
R11
0.1
F
INPUT FREQUENCY (Hz)
10k
GAIN
(dB)
15
0
–15
–30
–45
–60
–75
–90
–105
100k
1M
1064 TA16
VS = ±8V
fCLK = 7MHz
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
R42
R23
R33
R43
R13
R44
R34
R24
8V
0.1
F
8V
–8V
VOUT1
VOUT2
VIN1
VIN2
1064 TA15
R41
R31
R21
RESISTOR VALUES:
R11 = 14.3k
R21 = 13k
R31 = 7.5k
R41 = 10k
R12 = 15.4k
R22 = 15.4k
R32 = 7.5k
R42 = 10k
R13 = 3.92k
R23 = 20k
R33 = 27.4k
R43 = 40k
R14 = 3.92k
R24 = 20k
R34 = 6.8k
R44 = 10k
WIDEBAND NOISE = 64
VRMS
7MHz
CLOCK
R14
R11
R12
0.1
F
Amplitude Response
Dual 4th Order Bessel Filter with 140kHz Cutoff Frequency
Amplitude Response
8th Order Linear Phase (Bessel) Filter with
fCLK
=
65
f–3dB
1