Maximum Ratings
Typical Performance Data
Frequency
(MHz)
Insertion Loss
(dB)
Low Pass Filter Electrical Specifi cations
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Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
Operating Temperature
-55C to 100C
Storage Temperature
-55C to 100C
RF Power Input
0.5W max.
Return Loss
(dB)
Frequency
(MHz)
Group Delay
(nsec)
_
x
Low Pass Filter
BLP-250+
BLP-250
REV. A
M98898
BLP-250
060531
Coaxial
50
DC to 225 MHz
PASSBAND
(MHz)
fco (MHz)
Nom.
STOPBAND
(MHz)
VSWR
(:1)
(loss < 1 dB)
(loss 3 dB)
(loss > 20 dB)
(loss > 40 dB)
Passband
Typ.
Stopband
Typ.
DC-225
250
320-400
400-1200
1.7
18
electrical schematic
RF IN
RF OUT
INSERTION LOSS
0
20
40
60
80
1
10
100
1000
10000
FREQUENCY(MHz)
I
N
SERTI
O
N
LO
SS (
d
B)
at RF level of 0 dBm
RETURN LOSS
0
6
12
18
24
30
1
10
100
1000
10000
FREQUENCY(MHz)
RETURN LO
SS (
d
B)
at RF level of 0 dBm
GROUP DELAY
0.0
3.0
6.0
9.0
12.0
15.0
0
138
276
414
552
690
FREQUENCY (MHz)
GROUP DELAY (ns
e
c
)
at RF level of 0 dBm
typical frequency response
40 dB
20 dB
3 dB
1 dB
FREQUENCY / Fco
A
TTENU
A
TION, dB
DC 0.9 1 1.35 1.75 3
10.00 0.03
0.1
28.7
10.00
3.54
20.00 0.03
0.1
24.7
20.00
3.66
80.00 0.20
0.1
16.1
80.00
3.78
100.00
0.28
0.1
14.8
100.00
3.80
165.00
0.27
0.1
24.4
165.00
4.63
217.50
0.60
0.1
16.4
217.50
6.37
225.00
0.64
0.1
20.4
225.00
7.25
240.00
1.59
0.3
8.3
230.00
8.00
250.00
3.87
0.6
3.6
240.00
9.42
260.00
7.27
0.9
1.6
245.00
9.37
280.00 14.62
1.0
0.5
250.00
8.91
300.00 21.27
1.1
0.3
260.00
6.90
310.00 24.28
1.2
0.3
270.00
5.18
315.00 25.71
1.2
0.3
280.00
3.91
320.00 27.12
1.3
0.3
290.00
3.02
330.00 29.77
1.3
0.3
300.00
2.66
350.00 34.87
1.6
0.2
310.00
2.33
370.00 39.35
1.9
0.2
315.00
2.14
380.00 41.63
2.0
0.2
320.00
1.98
390.00 43.91
2.3
0.2
330.00
2.13
400.00 46.09
2.7
0.2
340.00
1.53
580.00 69.80
3.0
0.1
350.00
1.30
682.50 69.02
1.5
0.1
360.00
1.37
785.00 69.27
2.4
0.1
370.00
1.15
890.00 69.72
4.5
0.1
380.00
1.78
992.50 70.16
5.1
0.1
390.00
0.46
1045.00
73.29
6.6
0.1
400.00
0.27
1097.50
70.40
5.6
0.0
580.00
0.25
1147.50
71.08
3.9
0.2
630.00
0.20
1200.00
71.31
2.1
0.2
682.50
0.20
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffi x identifi es RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifi cations.
Applications
test equipment
lab use
video equipment
Features
rugged shielded case
other standard and custom BLP models available with
wide selection of fco
CASE STYLE: FF55
Connectors Model
Price
Qty.
BNC BLP-250(+)
$32.95
ea.
(1-9)
Outline Dimensions ( )
Outline Drawing
inch
mm
B
D
wt
.54
2.59
grams
13.72
65.79
40.0
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