Ceramic
Low Pass Filter
DC to 1400 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input*
-55°C to 100°C
-55°C to 100°C
10W max. at 25°C
EW!
N
LFCN-1400
Features
•
•
•
•
•
excellent power handling, 10W
small size
7 sections
temperature stable
patent pending
CASE STYLE: FV1206
Model
LFCN-1400
LFCN-1400D
Price
$2.99
$3.49
Qty.
(10-49)
(10-49)
DC Current Input to Output 0.5A max. at 25°C
*Passband rating, derate linearly to 3.5W at 100°C ambient.
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Pin Connections
RF IN
RF OUT
GROUND
**RF IN & RF OUT can be interchanged
1**
3**
2,4
Low Pass Filter Electrical Specifications
1
(T
AMB
=25°C)
MODEL
NO.
PASSBAND
(MHz)
(loss < 1 dB)
Max.
LFCN-1400
DC-1400
Outline Drawing
fco, MHz
Nom.
(loss 3 dB)
Typ.
1700
STOP BAND (MHz)
(loss, dB)
f 20
Min.
2015
30
Typ.
2100-6600
fr 20
Typ.
6800
VSWR (:1)
Stopband
Typ.
20
Passband
Typ.
1.2
NO. OF
SECTIONS
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-1400D (DC Resistance to
ground is 100 Mohms min.)
typical frequency response
RF IN
ATTENUATION (dB)
40dB
20dB
schematic
RF OUT
3dB
1dB
f co f 20
FREQUENCY
fR 20 dB
Typical Performance Data at 25°C
Frequency
(MHz)
100.00
500.00
1000.00
1400.00
1700.00
1975.00
2000.00
2050.00
2500.00
3000.00
4000.00
5000.00
6600.00
6800.00
7000.00
Insertion Loss
(dB)
0.11
0.24
0.41
0.72
3.20
24.77
28.65
38.72
34.93
37.62
50.70
45.47
34.00
26.51
16.88
VSWR
(:1)
1.02
1.08
1.11
1.22
3.20
16.89
17.39
17.75
17.75
24.14
39.49
30.49
18.70
16.56
10.89
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
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
80
INSERTION LOSS (dB)
70
60
40
30
20
10
0
0
1000
50
LFCN-1400
INSERTION LOSS
1000
LFCN-1400
VSWR
100
VSWR
10
1
2000
3000
4000
5000
6000
7000
0
1000
2000
3000
4000
5000
6000
7000
FREQUENCY (MHz)
FREQUENCY (MHz)
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
ISO 9001 & ISO 14001
Certified
REV. B
M96263
LFCN-1400
ED-11690/4
AD/CP/AM
050113
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