Low Pass Filter
50Ω
DC
(1)
to 3900 MHz
-55°C to 100°C
-55°C to 100°C
8W max. at 25°C
0.5A max. at 25°C
Operating Temperature
Storage Temperature
RF Power Input*
DC Current Input to Output
Ceramic
LFCN-3800+
LFCN-3800
CASE STYLE: FV1206
PRICE: $2.99 ea. QTY (20)
Maximum Ratings
Features
* Passband rating, derate linearly to 3W at 100°C ambient.
Permanent damage may occur if any of these limits are exceeded.
Pin Connections
RF IN
RF OUT
GROUND
1
3
2,4
• LTCC construction
•
protected by U.S. Patent 6,943,646
•
excellent power handling, 8W
•
small size
•
7 sections
•
temperature stable
•
hermetically sealed
+RoHS Compliant
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
and Reel
Available Tape cost
extra
at no
Devices/Reel
20, 50, 100, 200, 500,1000, 3000
Applications
• lab use
•
harmonic rejection
•
VHF/UHF transmitters/receivers
Parameter
Pass Band
Insertion Loss
Freq. Cut-Off
VSWR
Rejection Loss
VSWR
F#
DC-F1
F2
DC-F1
F3
F4-F5
F5-F6
F3-F6
Frequency (MHz)
DC-3900
4850
DC-3900
6000
5700-8300
8300-13000
6000-13000
Reel Size
7”
Electrical Specifications
(1,2)
at 25°C
Min.
—
—
—
20
—
—
—
Typ.
—
3.0
1.3
—
30
20
17
Max.
1.5
—
—
—
—
—
—
Unit
dB
dB
:1
dB
dB
dB
:1
Outline Drawing
(ON TOP)
Stop Band
(ON TOP)
(
1)
In Application where DC voltage is present at either input or output ports, coupling capacitors are required.
(
2)
Measured on Mini-Circuits Characterization Test Board TB-270.
Typical Frequency Response
PCB Land Pattern
ATTENUATION (dB)
40
20
Electrical Schematic
R F IN
R F OUT
3
1
DC
F5
F1 F2 F3 F4
FREQUENCY
F6
Typical Performance Data at 25°C
Insertion Loss
(dB)
0.06
0.27
0.48
0.66
0.95
1.93
2.76
3.84
7.65
15.30
30.21
33.71
29.24
18.04
14.19
VSWR
(:1)
1.03
1.07
1.25
1.34
1.11
1.95
2.60
3.48
7.05
14.15
20.22
23.49
19.76
12.09
6.35
Frequency
(MHz)
Suggested Layout,
Tolerance to be within
±.002
Outline Dimensions (
inch
)
mm
A
.126
3.20
H
.087
2.21
B
.063
1.60
J
.024
0.61
C
.037
0.94
K
.122
3.10
D
.020
0.51
L
.024
0.61
E
.032
0.81
M
.087
2.21
F
.009
0.23
N
.012
0.30
G
.169
4.29
P
wt
.071 grams
1.80
.020
40
1550
3060
3900
4510
4760
4850
4930
5120
5380
5700
6000
8300
13000
20000
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
60
LFCN-3800
INSERTION LOSS
100
LFCN-3800
VSWR
INSERTION LOSS (dB)
50
40
VSWR
30
20
10
0
0
4000
8000
12000
16000
20000
10
1
0
4000
FREQUENCY (MHz)
8000
12000
FREQUENCY (MHz)
16000
20000
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
www.minicircuits.com
P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
Mini-Circuits
®
REV. C
M125148
LFCN-3800
EDR-7684/1A
RAV
130829
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