Ceramic
Low Pass Filter
DC to 120 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input*
DC Current Input to Output
-55°C to 100°C
-55°C to 100°C
8.5W max. at 25°C
0.5A max. at 25°C
EW!
N
LFCN-120
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-120
LFCN-120D
Price
$3.99
$4.49
Qty.
(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
Low Pass Filter Electrical Specifications
1
(T
AMB
=25°C)
MODEL
NO.
PASSBAND
(MHz)
(loss < 1 dB)
Max.
LFCN-120
DC-120
Outline Drawing
fco, MHz
Nom.
(loss 3 dB)
Typ.
195
STOP BAND (MHz)
(loss, dB)
f 20
Min.
270
40
Typ.
285-1850
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-120D (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
120.00
150.00
200.00
250.00
270.00
285.00
500.00
1050.00
2050.00
3050.00
4050.00
4750.00
Insertion Loss
(dB)
0.13
0.38
0.66
0.81
1.13
3.28
17.85
30.80
41.37
47.59
60.41
37.25
27.60
23.48
22.45
VSWR
(:1)
1.04
1.06
1.13
1.09
1.07
2.35
9.96
13.60
15.13
25.19
64.35
54.29
44.55
31.03
7.28
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)
80
INSERTION LOSS (dB)
70
60
40
30
20
10
0
0
1000
50
LFCN-120
INSERTION LOSS
1000
LFCN-120
VSWR
100
VSWR
10
1
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
FREQUENCY (MHz)
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-120
ED-11690
RVN/AD/CP
050113
嵌入式系统
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