Ceramic
Low Pass Filter
DC to 1750 MHz
LFCN-1750
Maximum Ratings
OperatingTemperature
StorageTemperature
Features
• excellent power handling, 10W
• small size
-55°C to 100°C
-55°C to 100°C
CASE STYLE: FV1206
PRICE: $1.99 ea. QTY (10-49)
• 7 sections
• temperature stable
• patent pending
RF Power Input
10W* max. at 25°C
DC Current Input to Output 0.5A max. at 25°C
*derate linearly to 3.5W at 100°C ambient.
Applications
• harmonic rejection
• VHF/UHF transmitters/receivers
• lab use
Pin Connections
RF IN
1**
RF OUT
3**
2,4
GROUND
Low Pass Filter Electrical Specifications (TAMB=25°C)
** 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.
Min.
LFCN-1750
DC-1750
2025
2325
2700-4950
6900
20
1.2
7
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)
100.00
1000.00
1650.00
2000.00
2325.00
3000.00
4000.00
4950.00
6900.00
9000.00
0.04
0.27
1.02
1.15
0.64
1.06
inch
Outline Dimensions (
)
G
mm
3.27
3.21
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
42.08
44.65
40.02
21.58
11.18
19.11
19.32
579.06
19.76
193.02
78.97
.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-237
Suggested PCB Layout (PL-123)
LFCN-1750
INSERTION LOSS
LFCN-1750
VSWR
1000
100
10
60
50
40
30
20
10
0
1
0
1000 2000 3000 4000 5000 6000 7000 8000 9000
FREQUENCY (MHz)
0
1000 2000 3000 4000 5000 6000 7000 8000 9000
FREQUENCY (MHz)
®
REV. OR
LFCN-1750
M87913
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Mini-Circ uits
EDR-6469/4
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030710
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•
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