Ceramic
Low Pass Filter
DC to 575 MHz
LFCN-575
Maximum Ratings
OperatingTemperature
StorageTemperature
RF Power Input*
Features
• excellent power handling, 8.5W
• small size
-55°C to 100°C
-55°C to 100°C
CASESTYLE:FV1206
• 7 sections
• temperature stable
• patent pending
8.5W max. at 25°C
Model
Price
Qty.
(10-49)
(10-49)
LFCN-575
LFCN-575D
$2.99
$3.49
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
• RF suppression for DC lines on PCB
• anti-aliasing for A/D converter
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 dB)
fco, MHz
Nom.
(loss 3 dB)
STOP BAND (MHz)
(loss, dB)
VSWR (:1)
NO. OF
SECTIONS
MODEL
NO.
Outline Drawing
f 20
40
fr 20
Stopband Passband
Typ.
Min.
Typ.
Typ.
Typ.
Typ.
Max.
LFCN-575
DC-575
770
900
1050-3200
5500
20
1.2
7
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-575D (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)
1.00
100.00
250.00
400.00
575.00
680.00
780.00
900.00
1050.00
2000.00
3000.00
4000.00
4500.00
5000.00
5500.00
0.05
0.20
0.36
0.55
0.87
1.01
1.03
1.05
1.13
1.03
1.43
3.68
1.35
2.37
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
35.11
45.10
55.44
44.69
30.99
28.33
17.93
19.72
14.03
22.29
46.96
48.26
43.44
34.75
18.50
21.73
.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-575
INSERTION LOSS
LFCN-575
VSWR
80
70
60
50
40
30
20
10
0
1000
100
10
1
0
1000
2000
3000
4000
5000
6000
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
FREQUENCY (MHz)
designers kit available
Kit
No. of
Units in Kit
35
Price $
per Kit
99.95
Description
No.
K1-LFCN
5 of each: LFCN-225, -320, -400, -490, -530, -575, -630
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV.
M96263
LFCN-575
EDR-6588/6
RVN/AD/CP
050113
B
Mini-Circuits
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
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