Outline Drawing
Low Pass Filter Electrical Specifications (T
AMB
=25C)
Maximum Ratings
Pin Connections
Features
Operating Temperature
-55C to 100C
Storage Temperature -55C to 100C
RF Power Input*
8.5W max. at 25C
DC Current Input to Output
0.5A max. at 25C
RF IN
1**
RF OUT
3**
GROUND
2,4
**RF IN & RF OUT can be interchanged
Demo Board MCL P/N: TB-270
Suggested PCB Layout (PL-137)
Applications
Outline Dimensions ( )
inch
mm
A
B
C
D
E
F
G
H
.126
.063
.039
.020
.032
.009
.169
.087
3.20
1.60
0.99
0.51
0.81
0.23
4.29
2.21
J
K
L
M
N
P
wt.
.024
.122
.024
.087
.012
.071 grams
0.61
3.10
0.61
2.21
0.30
1.80
.020
harmonic rejection
VHF/UHF transmitters/receivers
RF suppression for DC lines on PCB
anti-aliasing for A/D converter
excellent power handling, 8.5W
small size
7 sections
temperature stable
patent pending
CASE STYLE: FV1206
PRICE: $ 2.99 ea. QTY (10-49)
LFCN-225
DC-225
350
460
510-2500
5500
20
1.2
7
MODEL
NO.
PASSBAND
(MHz)
fco, MHz
Nom.
(loss 3 dB)
Typ.
STOP BAND (MHz)
(loss, dB)
(loss < 1 dB)
Max.
VSWR (:1)
Stopband
Typ.
Passband
Typ.
NO. OF
SECTIONS
fR 20 dB
20dB
3dB
40dB
ATTENUATION (dB)
1dB
FREQUENCY
f 20
f co
f 20
Min.
fr 20
Typ.
40
Typ.
Typical Performance Data at 25C
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
schematic
schematic
schematic
schematic
schematic
typical frequency response
typical frequency response
typical frequency response
typical frequency response
typical frequency response
RF IN
RF OUT
1.00
0.09
1.02
100.00
0.36
1.04
250.00
0.89
1.03
350.00
2.70
1.91
440.00
31.16
12.52
510.00
42.44
19.32
1000.00
49.75
54.29
1500.00
66.15
72.39
2500.00
41.71
59.91
3000.00
34.59
56.04
3500.00
30.04
51.10
4000.00
26.30
33.42
4500.00
23.26
20.45
5000.00
21.80
26.33
5500.00
20.10
19.32
*Passband rating, derate linearly to 3.5W at 100C ambient.
LFCN-225
INSERTION LOSS
0
10
20
30
40
50
60
70
80
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
INSERTION LOSS (dB)
LFCN-225
VSWR
1
10
100
1000
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
VSWR
K1-LFCN
35
5 of each: LFCN-225, -320, -400, -490, -530, -575, -630
99.95
designers kit available
Kit
No.
No. of
Units in Kit
Description
Price $
per Kit
INTERNET http://www.minicircuits.com
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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 CERTIFIED
DC to 225 MHz
Low Pass Filter
Ceramic
LFCN-225
REV. A
M91608
LFCN-225
EDR-6588/1
RVN/AD/CP
040323
NEW!
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