Low Pass Filter
50Ω
Operating Temperature
Storage Temperature
RF Power Input*
DC Current Input to Output
Ceramic
LFCN-120+
LFCN-120
DC to 120 MHz
Features
-55°C to 100°C
-55°C to 100°C
8.5W max. at 25°C
0.5A max. at 25°C
Maximum Ratings
• excellent power handling, 8.5W
• small size
• 7 sections
• temperature stable
• protected by U.S. Patent 6,943,646
CASE STYLE: FV1206
Model
LFCN-120+
LFCN-120
LFCN-120D+
LFCN-120D
Price
$3.99
$3.99
$4.49
$4.49
Qty.
(10-49)
(10-49)
(10-49)
(10-49)
* 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
• harmonic rejection
• VHF/UHF transmitters/receivers
• RF suppression for DC lines on PCB
• anti-aliasing for A/D converter
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications.
Electrical Specifications
1
(T
AMB
=25°C)
PASSBAND
(MHz)
(loss < 1 dB)
Max.
DC-120
Outline Drawing
fco, MHz
Nom.
(loss 3 dB)
Typ.
195
STOP BAND (MHz)
(loss, dB)
F 20
Min.
280
VSWR
(:1)
Stopband
Typ.
20
NO. OF
SECTIONS
Typ.
1.2
7
40
Typ.
300-1850
FR 20
Typ.
4750
Passband
1. For applications requiring DC voltage to be applied to the Input or output, use LFCN-120D (DC Resistance to ground is 100 Mohms min.)
typical frequency response
ATTENUATION (dB)
electrical schematic
RF IN
RF OUT
PCB Land Pattern
40dB
20dB
3dB
1dB
Fco F20
FREQUENCY
FR 20dB
Suggested Layout,
Tolerance to be within
±.002
Typical Performance Data at 25°C
Frequency
(MHz)
G
.169
4.29
P
wt
.071 grams
1.80
.020
Insertion Loss
(dB)
0.17
0.42
0.70
1.18
1.94
3.47
18.52
24.46
46.74
62.21
42.50
28.22
25.32
22.87
22.07
LFCN-120
VSWR
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
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
1.00
51.00
100.00
150.00
180.00
200.00
250.00
260.00
500.00
1050.00
1750.00
2550.00
3550.00
4050.00
4750.00
LFCN-120
INSERTION LOSS
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
1000
100
VSWR
10
1
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
FREQUENCY (MHz)
FREQUENCY (MHz)
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Mini-Circuits
ISO 9001 & ISO 14001
Certified
REV. D
M102904
LFCN-120
ED-11690
RVN/AD/CP/AM
060912
Embedded System
京公网安备 11010802033920号
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