D64BP Series
Band Pass
Description:
The D64BP Series of small 2-pole-pair fixed-
frequency, precision band-pass active filter that
provides high performance in a compact 32-pin DIP
package, with a broad range of fixed center
frequencies (fo) from 1 Hz to 100 kHz. Each filter
type features a near theoretical amplitude/phase
response along with low output voltage noise
enabling these filters to achieve a 10,000:1 or better
dynamic signal range.
Pretuned to within ±2% of the fixed, user specified
center frequency, band-pass D64BP filters pass all
frequencies lying between the upper and lower -3dB
points of the amplitude response curve. Available
Q’s for D64BP models are 1, 2, 5, or 10.
Fixed Frequency
2-Pole Pair Filters
Features/Benefits:
• Compact 1.8"L x 0.8"W x 0.3"H minimizes board
space requirements.
• Plug-in ready-to-use, reducing engineering design
and manufacturing cycle time.
• Factory tuned, no external clocks or adjustments
needed.
• Broad range of center frequencies to meet a wide
range of applications.
Applications
• Power line interference rejection
• Transducer output filtering
• Production test instrumentation
• Medical electronics equipment and research
• Comb filtering and equalization
• Noise and harmonic analysis
• RMS measurements
• Frequency spectrum analysis
Available Band-Pass Models:
. . . . . . . . . . . . .Page
D64BP2
2 pole pair . . . . . . . . . . . . . . . . . . .2
General Specifications:
Ordering Information . . . . . . . . . . . . . . . . . . . . . . .3
Pin-Out/Package Data . . . . . . . . . . . . . . . . . . . . . .3
1
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
D64BP Series
Specification
(25°C and Vs ±15Vdc)
Analog Input Characteristics
1
Impedance
Voltage Range
Max. Safe Voltage
Analog Output Characteristics
Impedance (Closed Loop)
Linear Operating Range
2
Maximum Current
3
Offset Voltage
Offset Temp. Coeff.
Power Supply (
±
V)
Rated Voltage
Operating Range
Maximum Safe Voltage
Quiescent Current
Temperature
Operating
Storage
10 k
Ω
min.
±
10 Vpeak
±
Vs
11
Ω
typ.
10
Ω
max.
±
10V
±
2 mA
22
mV typ.
20 mV max.
50
µV/°C
Pin-Out and Package Data
Ordering Information
Pin-Out & Package Data
0.80
Side View
0.025 dia.
All dimensions are in inches
All case dimensions
±
0.01"
1.80
Front View
0.30
0.15 (min)
±
15 Vdc
±
5 to
±
18 Vdc
±
18 Vdc
±
12.5 mA typ.
±
20 mA max.
-20
to +70°C
-25 to +85°C
0.80
0.70
OUT
+VS
-VS OS
4
Bottom View
GND
IN
0.10
0.00
0.00
0.15
0.45
0.55
1.55
1.65
e.g.,
849
DC Offset Adjustment
± Vs
Do not connect
if trim is not
required.
20 k
Ω
(Cermet)
OS
Ordering Information
D64BP2/10-849 Hz
“Q”
1, 2, 5, 10
(fo) Center Frequency
5
Hz
2.50 kHz
33.3 kHz
- Vs
Notes:
1. Input and output signal voltage referenced to supply common.
2. Output is short circuit protected to common. DO NOT CONNECT TO ±Vs.
3. Adjustable to zero.
4. Units operate with or with out offset pin connected.
5. How to Specify Center Frequency:
Center frequencies are specified by attaching a three digit frequency
designator to the basic model number. Center frequencies can range from
1 Hz to 100 kHz.
We hope the information given here will be helpful. The information is based on data and our best knowledge, and we consider the information to be true and accurate. Please read all statements,
recommendations or suggestions herein in conjunction with our conditions of sale which apply to all goods supplied by us. We assume no responsibility for the use of these statements,
recommendations or suggestions, nor do we intend them as a recommendation for any use which would infringe any patent or copyright.
IN-D64BP-02
3
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com
1.80
Band-Pass
2-Pole Pair
Appendix A
Amplitude Response Curves
0
-10
-20
-30
-40
-50
-60
-70
-80
0.1
Q1
Q2
Q5
Q10
2
3 4 5 6 78
2
3 4 5 6 7 8
10.0
0
Amp (dB)
-1
-2
-3
-4
-5
0.6
0.7
Q1
Q2
Q5
Q10
0.8
Amp (dB)
1.0
Normalized Frequency (f/fo)
1.0
1.1 1.2 1.3 1.4 1.5 1.6
Normalized Frequency (f/fo)
0.9
Q=1
Amp
f
L
< f
O
< f
H
Q=2
f
L
< f
O
< f
H
Q=5
f
L
< f
O
< f
H
Q = 10
f
L
< f
O
< f
H
(dB)
-0.10
-0.25
-0.50
-1.00
-1.50
-2.00
-2.50
-3.00
-5.00
-10.00
-15.00
-20.00
-25.00
-30.00
-35.00
-40.00
-45.00
-50.00
-55.00
-60.00
-65.00
-70.00
-75.00
-80.00
f /fO
0.824
0.783
0.747
0.705
0.677
0.654
0.635
0.618
0.563
0.457
0.368
0.290
0.225
0.173
0.131
0.099
0.075
0.056
0.042
0.032
0.024
0.018
0.013
0.010
f /fO
1.214
1.277
1.338
1.418
1.478
1.529
1.574
1.617
1.776
2.189
2.720
3.445
4.439
5.795
7.630
10.09
13.41
17.83
23.75
31.65
42.19
56.25
75.00
100.0
f /fO
0.907
0.884
0.863
0.837
0.820
0.805
0.792
0.781
0.742
0.657
0.572
0.485
0.399
0.319
0.250
0.193
0.147
0.111
0.084
0.063
0.047
0.036
0.027
0.020
f /fO
1.102
1.131
1.159
1.194
1.220
1.242
1.262
1.280
1.348
1.523
1.748
2.062
2.506
3.130
3.999
5.192
6.814
9.002
11.94
15.87
21.13
28.15
37.52
50.01
f /fO
0.962
0.952
0.943
0.931
0.923
0.916
0.910
0.905
0.886
0.842
0.792
0.733
0.664
0.585
0.500
0.414
0.333
0.262
0.202
0.154
0.117
0.088
0.066
0.050
f /fO
1.040
1.051
1.061
1.074
1.083
1.091
1.098
1.105
1.129
1.188
1.263
1.364
1.507
1.709
2.000
2.414
3.001
3.819
4.945
6.479
8.552
11.33
15.06
20.05
f /fO
0.981
0.976
0.971
0.965
0.961
0.957
0.954
0.951
0.941
0.917
0.889
0.855
0.811
0.758
0.693
0.618
0.535
0.449
0.365
0.290
0.225
0.172
0.131
0.099
f /fO
1.020
1.025
1.030
1.036
1.041
1.045
1.048
1.051
1.062
1.090
1.125
1.170
1.233
1.320
1.443
1.618
1.869
2.228
2.737
3.453
4.443
5.798
7.632
10.10
39
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
Band-Pass
2-Pole Pair
Appendix A
Phase Response Curves
180
Phase (deg)
90
0
-90
-180
0.1
2
3 4 5 6 78
Q10
180
Phase (deg)
90
0
-90
-180
0.6
Q10
0.7
0.8
0.9
Q1
Q2
Q5
Q1
Q2
Q5
1.0
2 3 4 5 6 7 8
10.0
Normalized Frequency (f/fo)
1.0
1.1 1.2 1.3 1.4 1.5 1.6
Normalized Frequency (f/fo)
Normalized Theoretical Phase Data
Phase
Mag
(
deg)
1.0
2.5
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
60.0
70.0
80.0
90.0
105.0
120.0
135.0
150.0
165.0
180.0
Q=1
(+)
(-)
f /fO f /fO
0.994 1.006
0.985 1.016
0.970 1.031
0.940 1.063
0.913 1.096
0.886 1.128
0.861 1.161
0.838 1.194
0.815 1.227
0.794 1.259
0.774 1.292
0.755 1.324
0.719 1.391
0.685 1.460
0.652 1.535
0.618 1.618
0.564 1.772
0.502 1.991
0.424 2.356
0.320 3.126
0.177 5.639
0
inf
Q=2
(+)
(-)
f /fO f /fO
0.997 1.003
0.992 1.008
0.985 1.016
0.970 1.031
0.955 1.047
0.941 1.062
0.928 1.078
0.915 1.093
0.902 1.108
0.891 1.123
0.879 1.138
0.868 1.152
0.846 1.182
0.825 1.212
0.803 1.245
0.781 1.281
0.743 1.346
0.695 1.439
0.628 1.594
0.520 1.923
0.327 3.058
0
inf
Q=5
(+)
(-)
f /fO f /fO
0.999 1.001
0.997 1.003
0.994 1.006
0.988 1.012
0.982 1.018
0.976 1.025
0.970 1.030
0.965 1.036
0.960 1.042
0.955 1.048
0.950 1.053
0.945 1.059
0.935 1.069
0.925 1.081
0.916 1.092
0.905 1.105
0.887 1.128
0.862 1.160
0.825 1.212
0.758 1.319
0.593 1.686
0
inf
Q = 10
(+)
(-)
f /fO f /fO
0.999 1.001
0.998 1.002
0.997 1.003
0.994 1.006
0.991 1.009
0.988 1.012
0.985 1.015
0.982 1.018
0.980 1.021
0.977 1.024
0.974 1.026
0.972 1.029
0.967 1.034
0.962 1.040
0.957 1.045
0.951 1.051
0.941 1.062
0.928 1.077
0.908 1.101
0.869 1.150
0.764 1.310
0
inf
40
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com Web Address: http://www.freqdev.com
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