LFCG-1700 [MINI]
Low Pass Filter;
MINI-CIRCUITS 
LCeoramwic Pass Filter
LFCG-1700+
50Ω
DC to 1700 MHz
The Big Deal
• Very good rejection, 50 dB typical
• Rugged, ceramic construction
• Tiny size, 0.079 x 0.049 x 0.037” (0805)
• Excellent power handling, 5W
CASE STYLE: GE0805C-2
Product Overview
Mini-Circuits’ LFCG-1700+ is an LTCC low pass filter with a passband from DC to 1700 MHz, supporting a variety of
applications. This model provides 0.9 dB passband insertion loss and provides a very good stopband rejection due
to strategically constructed layout with minimal interaction between components. It handles up to 5W RF input power
and provides a wide operating temperature range from -40°C to +85°C. Housed in a tiny 0805 ceramic form factor
with wraparound terminations, the filter is ideal for dense PCB layouts and with minimal performance variation due to
parasitics.
Key Features
Feature
Advantages
Very good stopband rejection, 50 dB
The LTCC lowpass filter provides a very good stopband rejection until 13 GHz suitable for high end
typical
applications.
Provides repeatable performance in a rugged, ceramic package well suited for tough environments
such as high humidity and temperature extremes.
LTCC Construction
Tiny size (0.079 x 0.049 x 0.037”)
High power handling, 5W
Wrap-around terminations
Saves space in dense circuit board layouts and minimizes the effects of parasitics.
Supports a wide range of system power requirements.
Provides excellent solderability and easy visual inspection
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
Ceramic
Low Pass Filter
LFCG-1700+
50Ω
DC to 1700 MHz
Features
CASE STYLE: GE0805C-2
• Low loss, 0.9 dB typical
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
• High rejection 50 dB typical
• Excellent power handling, 5W
• Extremely small size 0805 (2.0 x 1.25 mm)
• Temperature stable
Electrical Specifications1,2 at 25°C
• LTCC construction
Parameter
Insertion Loss
F#
Frequency (MHz)
Min.
Typ.
Max.
Unit
DC-F1
F2
DC-1700
2025
—
—
—
20
35
—
—
0.9
3.0
1.3
30
1.8
—
—
—
—
—
—
dB
dB
:1
Applications
• Harmonic Rejection
• VHF/UHF transmitters / receivers
• Lab use
Pass Band
Freq. Cut-Off
VSWR
DC-F1
F3-F4
F4-F5
F5-F6
F3-F6
DC-1700
2400-2800
2800-8000
8000-13000
2400-13000
dB
dB
dB
:1
Rejection Loss
50
Stop Band
35
VSWR
20
1 In Application where DC voltage is present at either input or output port, coupling capacitors are required.
2 Measured on Mini-Circuits Characterization Test Board TB-799+
Functional Schematic
Maximum Ratings
RF OUT
RF IN
-40°C to 85°C
-55°C to 100°C
Operating Temperature
Storage Temperature
RF Power Input*
5 W max.@25°C
*Passband rating, derate linearly to 2.5W at 85°C ambient
Permanent damage may occur if any of these limits are exceeded.
Typical Performance Data at 25°C
Frequency
(MHz)
Insertion Loss
VSWR
(:1)
(dB)
10
100
0.10
0.14
0.43
0.91
3.33
1.02
1.03
1.23
1.05
1.95
Typical Frequency Response
1000
1700
2025
2180
2245
2315
2400
2500
2750
2800
4000
5000
8000
10000
11000
12000
12500
13000
FREQUENCY (MHz)
13.23
20.38
30.42
43.51
39.17
50.67
55.91
53.07
52.51
41.89
35.78
33.88
31.05
30.53
30.38
6.70
9.73
F6
F1 F2 F3 F4 F5
DC
12.82
16.38
20.44
30.09
31.84
57.77
82.24
140.22
61.09
48.33
46.49
47.26
43.81
LFCG-1700+
INSERTION LOSS (Zoomed)
LFCG-1700+
INSERTION LOSS (Full band)
LFCG-1700+
VSWR
0
2
0
10
20
30
40
50
60
70
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
4
6
8
10
12
14
16
18
20
0
500
1000
1500
2000
2500
0
1500 3000 4500 6000 7500 9000 105001200013500
FREQUENCY (MHz)
0
250 500 750 1000 1250 1500 1750 2000 2250
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
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
M167765
LFCG-1700+
EDU2886
URJ
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
180731
Page 2 of 3
LFCG-1700+
Low Pass Filter
Pad Connections
Outline Drawing
PCB Land Pattern
INPUT
8
4
OUTPUT
GROUND
1,2,3,5,6,7
Demo Board MCL P/N: TB-799+
Suggested PCB Layout (PL-429)
Suggested Layout,
Tolerance to be within .002
Outline Dimensions ( imncmh
)
A
B
C
D
E
F
G
.026
0.65
.079 .049 .037 .014 .012 .012
2.00 1.25 0.95 0.35 0.30 0.30
H
J
K
L
M
Wt.
grams
.008
.025 .134 .110 .014 .039
0.63 3.40 2.80 0.35 1.00
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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