Ceramic
Low Pass Filter
DC to 1325 MHz
LFCN-1325
Maximum Ratings
OperatingTemperature
StorageTemperature
RF Power Input*
Features
• excellent power handling, 9W
• small size
-55°C to 100°C
-55°C to 100°C
9W max. at 25°C
CASESTYLE:FV1206
• 5 sections
• temperature stable
• patent pending
Model
Price
Qty.
(10-49)
(10-49)
LFCN-1325
$1.99
DC Current Input to Output 1A max. at 25°C
LFCN-1325D $2.49
*Passband rating, derate linearly to 4W at 100°C ambient.
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Pin Connections
RF IN
1**
RF OUT
3**
2,4
Low Pass Filter Electrical Specifications1 (TAMB=25°C)
GROUND
**RF IN & RF OUT can be interchanged
PASSBAND
(MHz)
(loss < 1.3 dB)
fco, MHz
Nom.
(loss 3 dB)
STOP BAND (MHz)
(loss, dB)
VSWR (:1)
NO. OF
SECTIONS
MODEL
NO.
Outline Drawing
f 20
30
fr 20
Stopband Passband
Typ.
Min.
Typ.
Typ.
Typ.
Typ.
Max.
LFCN-1325
DC-1325
1560
2100
2200-2600
4250
20
1.4
5
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-1325D (DC Resistance to
ground is 100 Mohms min.)
schematic
typical frequency response
40dB
20dB
RF OUT
RF IN
3dB
1dB
f co
f 20
fR 20 dB
FREQUENCY
Typical Performance Data at 25°C
Frequency
(MHz)
InsertionLoss
(dB)
VSWR
(:1)
10.00
174.38
0.12
0.23
1.03
1.17
338.75
0.36
1.32
503.13
0.50
1.40
667.50
0.56
1.38
1160.63
1325.00
1518.75
2003.13
2577.77
3055.55
3533.33
3772.22
4011.11
4250.00
0.71
1.06
3.52
23.27
28.97
24.14
22.45
21.83
21.11
20.18
1.11
1.47
3.91
32.79
51.10
41.37
51.10
44.55
40.41
34.75
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
.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-1325
INSERTION LOSS
LFCN-1325
VSWR
40
35
30
25
20
15
10
5
1000
100
10
0
1
0
1000
2000
3000
4000
5000
0
1000
2000
3000
4000
5000
FREQUENCY (MHz)
FREQUENCY (MHz)
designers kit available
Kit
No.
K2-LFCN
No. of
Units in Kit
60
Price $
per Kit
119.95
Description
5 of each: LFCN-800,-900,-1000,-1200,-1325,-1700,
-2000,-2250,-2400,-5000,-6000,-6700
®
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
REV.
M96263
LFCN-1325
ED-9913/3
AD/RS/CP
050113
E
Mini-Circuits
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