Ceramic
Low Pass Filter
DC to 105 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input*
-55°C to 100°C
-55°C to 100°C
8.5W max. at 25°C
EW!
N
LFCN-105
Features
•
•
•
•
•
•
•
•
•
excellent power handling, 8.5W
small size
7 sections
temperature stable
patent pending
harmonic rejection
VHF/UHF transmitters/receivers
RF suppression for DC lines on PCB
anti-aliasing for A/D converter
CASE STYLE: FV1206
Model
LFCN-105
LFCN-105D
Price
$3.99
$4.49
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
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-105
DC-105
Outline Drawing
fco, MHz
Nom.
(loss 3 dB)
Typ.
180
STOP BAND (MHz)
(loss, dB)
f 20
Min.
250
40
Typ.
265-1650
fr 20
Typ.
4750
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-105D (DC Resistance to
ground is 100 Mohms min.)
typical frequency response
ATTENUATION (dB)
40dB
20dB
schematic
RF IN
RF OUT
3dB
1dB
f co f 20
FREQUENCY
fR 20 dB
Typical Performance Data at 25°C
Frequency
(MHz)
1.00
51.00
100.00
150.00
180.00
200.00
250.00
260.00
300.00
1050.00
1750.00
2550.00
3550.00
4050.00
4750.00
LFCN-105
INSERTION LOSS
80
INSERTION LOSS (dB)
70
60
40
30
20
10
0
0
1000
2000
3000
4000
5000
FREQUENCY (MHz)
50
Insertion Loss
(dB)
0.17
0.42
0.70
1.18
1.94
3.47
18.52
24.46
44.49
62.21
42.50
28.22
25.32
22.87
22.07
VSWR
(:1)
1.04
1.06
1.12
1.11
1.44
1.93
4.06
4.16
4.95
96.51
57.91
26.74
29.46
35.46
18.11
LFCN-105
VSWR
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)
1000
100
VSWR
10
1
0
1000
2000
3000
4000
5000
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-105
ED-11690/3
RVN/AD/CP
050113
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