Ceramic
Low Pass Filter
DC to 900 MHz
LFCN-900
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
RF Power Input*
10W max. at 25°C
• temperature stable
• rejection in stopband, 45-50 dB typ.
• patent pending
Model
Price
Qty.
(10-49)
(10-49)
LFCN-900
LFCN-900D
$1.99
$2.49
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
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 <1.3 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-900
DC-900
1075
1275
1350-5000
5300
20
1.2
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-900D (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
500.00
0.14
0.35
1.04
1.06
1000.00
1075.00
1280.00
1360.00
1500.00
1600.00
3000.00
4000.00
5000.00
5300.00
6000.00
7000.00
8000.00
1.43
2.52
1.18
1.48
28.98
33.79
43.23
50.48
46.30
43.04
41.28
23.36
18.72
19.93
18.92
16.14
21.44
29.64
34.26
52.05
64.96
64.28
47.10
44.99
41.97
36.91
inch
Outline Dimensions (
)
G
mm
A
.126
3.20
B
.063
1.60
C
.039
0.99
D
.020
0.51
E
.032
0.81
F
.009
0.23
H
.087
2.21
.169
4.29
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-900
INSERTION LOSS
LFCN-900
VSWR
60
55
50
45
40
35
30
25
20
15
10
5
1000
100
10
0
1
0
1000
2000
3000
4000
5000
6000
7000
8000
0
1000
2000
3000
4000
5000
6000
7000
8000
FREQUENCY (MHz)
FREQUENCY (MHz)
designers kit available
Kit
No.
K2-LFCN
No. of
Units in Kit
60
Price $
per Kit
119.95
Description
5 of each: LFCN-800,-900,-1000,-1200,-1325,-1700,
-2000,-2250,-2400,-5000,-6000,-6700
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV.
M96263
LFCN-900
EDR-6469/1
RVN/AD/CP
050113
E
Mini-Circuits
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