Coaxial
Low Pass Filter
DC to 225 MHz (40 dB Isolation up to 20 GHz)
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input*
-55°C to 100°C
-55°C to 100°C
10W max. at 25°C
EW!
N
VLFX-225
Features
•
•
•
•
•
•
very good isolation, 40 dB up to 20 GHz
21 sections
temperature stable LTCC internal structure
patent pending
re-entry frequency > 20 GHz
rugged stainless steel unibody
CASE STYLE: FF1118
PRICE: $ 39.95 ea. QTY (1-9)
*Passband
rating, derate linearly to 3.5W at 100°C ambient.
Applications
•
•
•
•
Outline Drawing
harmonic rejection
transmitters/receivers
lab use
test instrumentation
Low Pass Filter Electrical Specifications @ 25°C
MODEL
NO.
PASSBAND
(MHz)
(Loss < 1.2dB)
Max.
VLFX-225
DC-225
fco, MHz
Nom
(Loss 3 dB)
Typ
345
STOPBAND (MHz)
(Loss, dB)
f20
Min.
460
f40
Typ.
520-20000
VSWR (:1)
Stopband
Typ.
10
Passband
Typ.
1.15
NO. OF
SECTIONS
21
Outline Dimensions (
inch
)
mm
B
.39
9.91
D
2.67
67.82
E
.312
7.92
wt.
grams
17.0
Typical Performance Data @ 25°C
Frequency
(MHz)
50
100
160
225
260
300
360
400
440
520
Insertion Loss
(dB)
0.18
0.52
0.61
0.92
1.16
1.52
3.50
6.96
23.09
41.12
41.60
49.81
49.72
78.92
68.41
65.61
59.00
74.50
57.27
58.14
VSWR
(:1)
1.08
1.10
1.11
1.10
1.13
1.28
1.62
1.78
3.47
8.40
11.87
18.37
33.93
98.08
49.08
36.38
17.35
12.80
5.82
4.44
VLFX-225
VSWR
Functional Schematic
RF IN
RF OUT
600
750
1000
2500
5000
7500
10000
12500
15000
20000
VLFX-225
INSERTION LOSS
100
Typical Frequency Response
ATTENUATION (dB)
40 dB
20 dB
1000
3 dB
1 dB
fco f20
f40
FREQUENCY
>20 GHz
90
INSERTION LOSS(dB)
80
70
100
50
40
30
20
10
0
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
VSWR
10
1
0
4000
8000
12000
16000
20000
REV. OR
M96318
VLFX-225
EDU-0399
ED-11930A/3
URJ/AD/CP
050119
60
FREQUENCY (MHz)
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Mini-Circuits
ISO 9001 & ISO 14001
Certified
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