Coaxial
Low Pass Filter
BLP-90+
50Ω
DC to 81 MHz
Features
Maximum Ratings
Operating Temperature
-55°C to 100°C
-55°C to 100°C
0.5W max.
• rugged shielded case
CASE STYLE: FF55
Storage Temperature
• other standard and custom BLP models available with
wide selection of fco
Connectors Model
BNC BLP-90+
Price
$32.95 ea. (1-9)
Qty.
RF Power Input
Permanent damage may occur if any of these limits are exceeded.
Applications
• test equipment
• lab use
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
• video equipment
Low Pass Filter Electrical Specifications
PASSBAND
(MHz)
fco (MHz)
Nom.
STOPBAND
(MHz)
VSWR
(:1)
Passband
Typ.
Stopband
Typ.
Outline Drawing
(loss < 1 dB)
DC-81
(loss 3 dB)
90
(loss > 20 dB)
121-157
(loss > 40 dB)
157-400
1.7
18
typical frequency response
electrical schematic
40 dB
R F IN
R F OUT
20 dB
3 dB
1 dB
DC
0.9
1
1.35
1.75
3
inch
FR E QUE NC Y / Fco
Outline Dimensions (
)
mm
Typical Performance Data
B
D
wt
Return Loss
(dB)
Frequency
(MHz)
Frequency
(MHz)
Insertion Loss
Group Delay
(nsec)
.54
2.59 grams
(dB)
13.72 65.79
40.0
_
σ
x
1.00
12.50
24.00
35.50
46.50
58.00
81.00
87.00
90.00
0.05
0.14
0.18
0.31
0.42
0.43
0.69
1.28
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.4
0.5
0.9
1.0
1.1
1.2
1.2
1.2
1.3
1.4
1.4
1.5
1.7
1.8
2.9
1.4
5.6
7.6
7.1
4.9
4.4
4.8
6.3
42.0
37.5
27.7
18.7
14.9
16.1
17.0
9.7
7.6
3.8
1.7
0.8
0.5
0.1
0.2
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.3
0.2
0.2
0.1
0.1
0.1
0.1
0.1
1.00
12.50
24.00
35.50
46.50
58.00
81.00
84.00
87.00
9.672
9.503
9.491
9.776
10.240
11.244
15.573
17.894
19.997
24.263
21.734
17.532
15.893
12.218
5.804
5.229
3.892
2.740
0.487
0.841
2.060
7.687
5.680
5.380
5.060
4.740
4.320
4.010
3.760
3.450
2.01
6.43
8.74
93.00
97.00
90.00
93.00
97.00
104.01
111.00
115.52
121.03
130.03
140.04
145.04
150.04
155.05
157.05
184.06
206.57
229.58
252.57
298.08
321.08
355.57
378.08
400.07
12.94
16.72
21.91
26.16
32.40
38.50
41.31
43.98
46.76
47.69
60.11
66.87
75.03
74.83
76.96
75.07
73.10
75.50
74.56
104.00
111.00
115.50
121.00
130.00
135.00
140.00
145.00
150.00
155.00
157.00
184.00
195.50
206.50
218.00
229.50
241.00
252.50
INSERTION LOSS
RETURN LOSS
at RF level of 0 dBm
GROUP DELAY
at RF level of 0 dBm
100
80
60
40
20
0
50
at RF level of 0 dBm
30
24
18
12
6
40
30
20
10
0
1
0
1
10
100
1000
10
100
1000
0
51
102
153
204
255
FREQUENCY(MHz)
FREQUENCY(MHz)
FREQUENCY (MHz)
®
For detailed performance specs
& shopping online see web site
Mini-Circuits
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®
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REV. A
IF/RF MICROWAVE COMPONENTS
M113397
BLP-90+
090818
Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to
Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”);Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard
Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp.