Low Pass Filter Electrical Specifications (T
AMB
=25C)
LFCN-490
DC-490
650
780
880-2500
6000
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
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
1.00
0.05
1.01
100.00
0.22
1.05
250.00
0.39
1.02
500.00
0.86
1.07
600.00
1.52
1.45
650.00
2.37
1.85
700.00
5.08
3.10
780.00
27.49
12.99
880.00
44.92
19.76
1000.00
41.68
25.94
2500.00
75.47
51.10
3500.00
38.94
51.10
4500.00
36.38
30.49
5500.00
20.80
24.14
6000.00
21.07
22.00
CASE STYLE: FF704
PRICE: $19.95 ea. QTY (10-24)
Outline Drawing
Maximum Ratings
Features
Operating Temperature
-55C to 100C
Storage Temperature -55C to 100C
RF Power Input
8.5*W max. at 25C
DC Current Input to Output 0.5A max. at 25C
Applications
harmonic rejection
transmitters/receivers
lab use
low cost
small size
7 sections
temperature stable
patent pending
*Passband rating, derate linearly to 3.5W at 100C ambient.
Outline Dimensions ( )
inch
mm
B
D
E
wt.
.410
1.43
.312
grams
10.41
36.32
7.92
10.0
VLF-490
NEW!
Coaxial
DC to 490MHz
Low Pass Filter
INSERTION LOSS
0
10
20
30
40
50
60
70
80
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
IN
SER
T
I
ON
LOSS (
d
B)
VSWR
1
10
100
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
VSWR
RF IN
RF OUT
fR 20 dB
20dB
3dB
40dB
ATTENUATION (dB)
1dB
FREQUENCY
f 20
f co
INTERNET http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 417-335-5935 Fax 417-335-5945 EUROPE 44-1252-832600 Fax 44-1252-837010
Mini-Circuits
Mini-Circuits ISO 9001 & ISO 14001 Certified
REV. E
M94020
VLF-490
EDR-6588/4
RVN/AD/CP
040907
PDF 
ZIP