Ceramic
Low Pass Filter
DC to 2250 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-2250
Features
•
•
•
•
•
excellent power handling, 10W
small size
7 sections
temperature stable
patent pending
CASE STYLE: FV1206
Model
LFCN-2250
LFCN-2250D
Price
$1.99
$2.49
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-2250
DC-2250
Outline Drawing
fco, MHz
Nom.
(loss 3 dB)
Typ.
2575
STOP BAND (MHz)
(loss, dB)
f 20
Min.
2850
30
Typ.
2950-5000
fr 20
Typ.
7200
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-2250D (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)
50.00
500.00
1000.00
1500.00
2000.00
2250.00
2575.00
2850.00
3800.00
4250.00
5000.00
6500.00
7200.00
8000.00
9000.00
LFCN-2250
INSERTION LOSS
50
40
30
20
10
0
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
FREQUENCY (MHz)
100
Insertion Loss
(dB)
0.06
0.11
0.15
0.33
0.51
0.82
2.84
24.55
48.40
37.39
33.16
37.38
30.64
7.60
14.79
VSWR
(:1)
1.01
1.02
1.05
1.07
1.06
1.20
2.10
7.08
32.18
34.07
36.97
30.49
39.49
9.69
30.49
Outline Dimensions (
inch
)
mm
A
.126
3.20
J
.024
0.61
B
.063
1.60
K
.122
3.10
C
.039
0.99
L
.024
0.61
D
.020
0.51
M
.087
2.21
E
.032
0.81
N
.012
0.30
F
.009
0.23
G
.169
4.29
H
.087
2.21
P
wt.
.071 grams
1.80
.020
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
LFCN-2250
VSWR
INSERTION LOSS (dB)
VSWR
10
1
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
FREQUENCY (MHz)
designers kit available
Kit
No.
K2-LFCN
No. of
Units in Kit
60
Description
5 of each: LFCN-800,-900,-1000,-1200,-1325,-1700,
-2000,-2250,-2400,-5000,-6000,-6700
Price $
per Kit
119.95
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. C
M99263
LFCN-2250
EDR-6469/5
RVN/AD/CP
050113
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