ULP-137 [MINI]
Low Pass Filter;
MINI-CIRCUITS 
top hat®
LSuorfawce MPounat ss Filter
ULP-137+
50Ω
DC to 137 MHz
The Big Deal
• Low Insertion loss, 1.5dB Typ.
• High rejection, > 40dB
• Sharp insertion loss roll-off
• Good VSWR
CASE STYLE: QA2224
• Ultra miniature surface mount package
Product Overview
The ULP-137+ is a lowpass filter in a top hat package (size of 0.25" x 0.25") fabricated using SMT technology. Cover-
ing DC to 137 MHz band width, these units offer good matching within the passband and high rejection. This model
uses a miniature high Q capacitors and chip inductors for high reliability. In addition it has repeatable performance
across production lots and consistent performance across temperature.
Key Features
Feature
Advantages
Low passband insertion loss
Passband insertion loss 1.5dB typical ensures low signal loss throughout the passband
Excellent stopband rejection
Excellent return loss at DC-137 MHz
Small size, 0.25" x 0.25"
Rejection of 40 dB ensures unwanted spurious are eliminated
This makes signal transmission with very less reflections and well-matched with the adjacent com-
ponent used in the system
The Ultra miniature surface mount package enables the ULP-137+ to be used in compact designs.
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document 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
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 1 of 3
top hat®
Surface Mount
ULP-137+
Low Pass Filter
50Ω
DC to 137 MHz
CASE STYLE: QA2224
Features
• High rejection
Electrical Specifications at 25°C
• Sharp insertion loss roll-off
• Good VSWR, 1.2:1 typ. at passband
• Ultra miniature surface mount package
Parameter
Insertion Loss
F#
Frequency (MHz)
Min.
Typ.
Max.
Unit
DC-F1
F2
DC-137
150
—
—
—
20
40
—
—
1.5
3.0
1.2
27
2.0
—
—
—
—
—
—
dB
dB
:1
Pass Band
Freq. Cut-Off
VSWR
DC-F1
F3-F4
F4-F5
F5-F6
F3-F5
DC-137
190-215
215-1000
1000-3000
190-1000
dB
dB
dB
:1
Applications
• Wireless communications
• Receivers / Transformers
• Lab use
Rejection Loss
VSWR
47
Stop Band
20
20
Maximum Ratings
-40°C to 85°C
-55°C to 100°C
Operating Temperature
Storage Temperature
RF Power Input
0.8W max.
Functional Schematic
Permanent damage may occur if any of these limits are exceeded.
RF OUT
RF IN
Typical Performance Data at 25°C
Frequency
(MHz)
Insertion Loss
VSWR
(:1)
Frequency
(MHz)
Group Delay
(nsec)
(dB)
1
10
75
0.21
0.23
0.55
1.39
3.10
1.04
1.06
1.08
1.08
2.16
1
5
10
20
30
40
50
60
70
4.90
4.60
4.60
4.60
4.64
4.73
4.85
5.01
5.21
5.46
5.79
6.26
6.55
6.90
7.31
7.79
8.39
9.18
10.28
10.83
137
150
160
170
175
176
180
188
190
200
215
250
300
500
1000
2000
3000
8.33
6.00
15.99
19.99
20.80
24.04
30.73
32.49
42.64
55.47
49.48
54.73
60.86
59.80
61.52
54.05
11.96
14.51
14.97
16.62
19.35
19.97
22.71
26.42
34.69
46.72
104.94
257.07
154.70
101.04
Typical Frequency Response
FREQUENCY (MHz)
80
90
DC
F1 F2 F3 F4 F5
F6
100
105
110
115
120
125
130
135
137
ULP-137+
INSERTION LOSS (Full band)
ULP-137+
INSERTION LOSS (Passband)
0
10
20
30
40
50
60
70
80
0
10
20
30
40
50
60
70
0.0
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
0.9
1.8
0.0
68.5
137.0
0
500
1000
1500
2000
2500
3000
0
200
400
600
800
FREQUENCY (MHz)
FREQUENCY (MHz)
ULP-137+
VSWR
ULP-137+
GROUP DELAY
1,000
100
10
10.5
8.5
6.5
4.5
1.4
1.2
1.0
0.0
68.5
137.0
1
0.0
27.4
54.8
82.2
109.6
137.0
0
500
1000
1500
2000
2500
3000
FREQUENCY (MHz)
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
REV.A
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
M161927
ULP-137+
EDU2386
URJ
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
170512
Page 2 of 3
ULP-137+
Low Pass Filter
Pad Connections
Outline Drawing
INPUT
1
3
OUTPUT
GROUND
2,4,5,6
Demo Board MCL P/N: TB-894+
Suggested PCB Layout (PL-484)
Outline Dimensions ( inch
)
mm
A
-
B
-
C
D
-
E
-
F
-
G
-
H
-
J
-
K
-
ꢄin ꢄaꢅ
ꢀꢁꢂꢃ
6.35
ꢀꢁꢂꢃ ꢀꢃꢆꢂ ꢀꢇꢃꢃ
6.35 1.91 2.54
ꢀꢃꢆꢂ
1.91
ꢀꢇꢁꢂ
3.18
ꢀꢃꢈꢁ
2.34
ꢀꢁꢃꢇ
5.11
ꢀꢃꢉꢇ
1.04
ꢀꢃꢂꢃ
1.27
ꢀꢃꢉꢊ
1.17
L
-
ꢀꢇꢊꢋ
4.27
M
-
ꢀꢇꢇꢆ
2.97
N
P
-
ꢀꢁꢊꢃ
6.60
Q
-
ꢀꢁꢌꢉ
5.94
Wt.
grams
0.25
-
ꢀꢃꢉꢁ
1.07
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document 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
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Page 3 of 3
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