ZLSS-11G-S+ [MINI]
Low Pass Filter;
MINI-CIRCUITS 
Suspended Substrate Stripline Filters and Multiplexers
50Ω
DC to 26 GHz
The Big Deal
• Low insertion loss
• Ultra-wide passband width
• Fast roll-off with wide stopband
• Good power handling and temperature stability
• Passband up to 26 GHz
• Stopband up to 26.5 GHz can extend to 40 GHz
Product Overview
Mini-Circuits’ Suspended Substrate Stripline filters offer low insertion loss by implementing printed circuit board
suspended between two parallel ground planes, providing high Q. Low insertion loss combined with wide stop-
band makes them an excellent choice for wideband instruments and systems like ECM, ECCM, ELINT and ultra-
broadband receivers.
Low pass, high pass, band pass, band stop, diplexer and multiplexer designs can be realized with this technology.
Advanced filter design and construction can achieve stopband width greater than 6x the center frequency, and tem-
perature stability will be better than other printed circuit realizations because the fields are mainly in the air rather
than in a dielectric. The inside walls of the housing hold the circuit and prevent movement that could be caused by
vibration or mechanical shock, making these designs excellent candidates for harsh operating environments.
Suspended substrate stripline filters can be realized in small form factors with high-quality, precise machining for
applications where size is critical. Excellent repeatability across units is achieved through precise tuning and pro-
cess control.
Key Features
Feature
Advantages
Low signal loss results in better SNR in receiver front end and better power delivery to antenna in
transmitters
Low insertion loss
Fast roll-off
Higher selectivity results in better adjacent channel rejection and dynamic range
Wide, spur-free stop band results in better receiver sensitivity
Well suited for transmitter applications
Wide stopband
High power handling
Excellent temperature stability
Notes
Ensures minimal variation in electrical performance across temperature
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
Suspended substrate stripline
Low Pass Filter
ZLSS-11G+
50Ω
DC to 11000 MHz
CASE STYLE: RA2456
Connectors Model
Features
• Very sharp roll-off
• High rejection of 90 dB typ.
• Stop band up to 33 GHz
• Low passband IL
SMA-F
ZLSS-11G-S+
Electrical Specifications at 25°C
Parameter
Insertion Loss
F#
Frequency (MHz)
Min.
Typ.
Max.
Unit
• Connectorized package and small size
DC-F1
DC-F1
F2-F3
F3-F4
F4-F5
F2-F5
DC-11000
DC-11000
—
—
20
60
—
—
2.0
2.0
30
90
20
20
3.0
—
—
—
—
—
dB
:1
Pass Band
VSWR
12500-14500
14500-26500
26500-33000
12500-33000
dB
dB
dB
:1
Applications
• Harmonic rejection
• Transmitters / Receivers
• Lab use
Insertion Loss
VSWR
Stop Band
Maximum Ratings
-40°C to 85°C
-55°C to 100°C
Operating Temperature
Storage Temperature
RF Power Input
Functional Schematic
1W max. at 25°C
RF OUT
RF IN
Permanent damage may occur if any of these limits are exceeded.
Typical Performance Data at 25°C
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
Frequency
(MHz)
Group Delay
(nsec)
10
100
1000
0.01
0.03
0.14
0.45
1.37
1.00
1.01
1.10
1.34
1.35
10
100
0.27
0.27
0.27
0.27
0.27
0.27
0.27
0.27
0.28
0.28
0.28
0.29
0.30
0.30
0.31
0.32
0.33
0.37
0.43
0.59
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
7000
7500
8000
9000
10000
11000
5000
11000
11450
11600
11800
12100
12500
13000
14500
15000
17500
20000
25000
26500
30000
31500
33000
3.13
6.11
2.31
4.82
Typical Frequency Response
FREQUENCY (MHz)
11.73
20.41
30.86
42.54
71.91
80.48
103.93
99.68
114.63
105.28
95.97
87.12
108.78
11.07
22.88
38.08
45.43
32.30
35.27
76.97
123.97
66.62
24.47
19.59
21.39
20.96
F4
F5
F1
F2 F3
DC
ZLSS-11G+
INSERTION LOSS (Passband)
ZLSS-11G+
INSERTION LOSS (Full band)
0
20
0
5
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
10
15
20
25
30
35
40
0.0
0.9
1.8
40
60
0
5500
11000
80
100
120
0
2800
5600 8400
FREQUENCY (MHz)
11200
14000
0
5500
11000
16500
FREQUENCY (MHz)
22000
27500
33000
ZLSS-11G+
VSWR
ZLSS-11G+
GROUP DELAY
1,000
100
10
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
1.8
1.4
1.0
0
5500
11000
1
0
2200
4400
6600
8800
11000
0
5500
11000
16500
22000
FREQUENCY (MHz)
27500
33000
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
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
REV.OR
M162233
ZLSS-11G+
EDU2621/1
URJ
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
171104
Page 2 of 3
ZLSS-11G+
Low Pass Filter
Coaxial Connections
INPUT
PORT 1 (SMA FEMALE)
OUTPUT
PORT 2 (SMA FEMALE)
Outline Drawing
B
1
2
A
SMA
E
C
D
H
J
2 x Ø K THRU
F
G
Outline Dimensions ( inch
)
mm
A
.90
B
.70
C
.60
D
.30
E
.35
F
G
.400
H
J
.230
5.84
K
.100
2.54
Wt.
grams
55
.55
13.97
.34
22.86
17.78
15.24
7.62
8.89
10.16
8.51
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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