
Outline Drawing
Low Pass Filter Electrical Specifications
1
(T
AMB
=25°C)
Maximum Ratings
Operating Temperature
Pin Connections
RF IN
Features
excellent power handling, 10W
small size
7 sections
temperature stable
patent pending
-55°C to 100°C
Storage Temperature -55°C to 100°C
RF Power Input*
10W max. at 25°C
DC Current Input to Output 0.5A max. at 25°C
*Passband rating, derate linearly to 3.5W at 100°C
ambient.
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
harmonic rejection
VHF/UHF transmitters/receivers
lab use
Outline Dimensions ( )
B
C
D
.063
.039
.020
1.60
0.99
0.51
K
L
M
.122
.024
.087
3.10
0.61
2.21
A
E
F
G
H
.126
3.20
.032
0.81
.009
0.23
.169
4.29
wt.
.087
2.21
J
N
P
.024
0.61
.012
0.30
.071 grams
1.80
.020
LFCN-2750
DC-2750
3150
3875
4050-6800
8400
20
1.2
7
MODEL
NO.
PASSBAND
(MHz)
(loss < 1 dB)
Max.
fco, MHz
Nom.
(loss 3 dB)
Typ.
STOP BAND (MHz)
(loss, dB)
f 20
Min.
Typ.
VSWR (:1)
Stopband
Typ.
Passband
Typ.
NO. OF
SECTIONS
fr 20
Typ.
30
Typical Performance Data at 25°C
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
100.00
500.00
1300.00
2100.00
2750.00
3150.00
3775.00
3900.00
4400.00
5600.00
6400.00
6800.00
7800.00
8400.00
9000.00
0.10
0.21
0.39
0.61
1.15
3.32
23.45
28.99
35.96
36.40
34.00
29.93
23.36
20.08
17.02
1.02
1.06
1.09
1.15
1.50
2.79
18.70
22.29
32.79
34.07
28.49
26.74
22.87
19.54
16.41
LFCN-2750
INSERTION LOSS
0
10
20
30
40
50
0
1500
3000
FREQUENCY (MHz)
4500
6000
7500
9000
I
LFCN-2750
VSWR
1
10
100
1000
0
1500
3000
FREQUENCY (MHz)
4500
6000
7500
9000
V
fR 20 dB
20dB
3dB
1dB
40dB
A
FREQUENCY
f 20
f co
RF IN
RF OUT
schematic
typical frequency response
1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-2750D (DC Resistance to
ground is 100 Mohms min.)
Model
LFCN-2750
LFCN-2750D $2.49
Price
$1.99
Qty.
(10-49)
(10-49)
CASE STYLE: FV1206
INTERNET
http://www.minicircuits.com
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Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 E
UROPE 44-1252-832600
Fax 44-1252-837010
Mini-Circuits
Mini-Circuits
ISO 9001 & ISO 14001
Certified
DC to 2750 MHz
Low Pass Filter
Ceramic
LFCN-2750
REV. B
M96263
LFCN-2750
ED-6783/4
RVN/AD/CP
050113
NEW!