Ceramic
Low Pass Filter
DC to 1450 MHz
LFCN-1450
Maximum Ratings
OperatingTemperature
StorageTemperature
Features
• excellent power handling, 10W
• small size
-55°C to 100°C
-55°C to 100°C
CASESTYLE:FV1206
• 7 sections
• temperature stable
• patent pending
RF Power Input*
10W max. at 25°C
Model
Price
Qty.
(10-49)
(10-49)
LFCN-1450
$2.99
DC Current Input to Output 0.5A max. at 25°C
LFCN-1450D $3.49
*Passband rating, derate linearly to 3.5W at 100°C ambient.
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Pin Connections
RF IN
1**
3**
2,4
RF OUT
Low Pass Filter Electrical Specifications1 (TAMB=25°C)
GROUND
**RF IN & RF OUT can be interchanged
PASSBAND
(MHz)
(loss < 1 dB)
fco, MHz
Nom.
(loss 3 dB)
STOP BAND (MHz)
(loss, dB)
VSWR (:1)
NO. OF
SECTIONS
MODEL
NO.
Outline Drawing
f 20
30
fr 20
Stopband Passband
Typ.
Min.
Typ.
Typ.
Typ.
Typ.
Max.
LFCN-1450
DC-1450
1825
2025
2050-6600
6700
20
1.2
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-1450D (DC Resistance to
ground is 100 Mohms min.)
typical frequency response
schematic
RF IN
RF OUT
40dB
20dB
3dB
1dB
f co
f 20
fR 20 dB
FREQUENCY
Typical Performance Data at 25°C
Frequency
(MHz)
InsertionLoss
(dB)
VSWR
(:1)
100.00
1000.00
1400.00
1600.00
1700.00
1800.00
2025.00
2050.00
2500.00
2700.00
3000.00
5000.00
6600.00
6800.00
7000.00
0.10
0.50
0.86
1.49
2.90
1.03
1.12
1.07
1.35
2.22
8.10
5.85
inch
Outline Dimensions (
)
G
mm
33.68
36.32
35.12
34.84
37.19
43.89
30.75
16.06
18.67
18.90
19.98
34.07
37.77
43.44
41.37
21.20
11.85
18.11
A
.126
3.20
B
.063
1.60
C
.037
0.94
D
.020
0.51
E
.032
0.81
F
.009
0.23
.169
4.29
H
.087
2.21
J
.024
0.61
K
.122
3.10
L
.024
0.61
M
.087
2.21
N
.012
0.30
P
wt
.071 grams
1.80 .020
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
LFCN-1450
VSWR
LFCN-1450
INSERTION LOSS
1000
100
10
50.0
40.0
30.0
20.0
10.0
0.0
1
0
1000 2000 3000 4000 5000 6000 7000
FREQUENCY (MHz)
0
1000 2000 3000 4000 5000 6000 7000
FREQUENCY (MHz)
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV.
M96263
LFCN-1450
ED-11960/2
AD/CP/AM
050113
B
Mini-Circuits
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