Coaxial
Low Pass Filter
DC to 540 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-540
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-540
DC-540
fco, MHz
Nom
(Loss 3 dB)
Typ
810
STOPBAND (MHz)
(Loss, dB)
f20
Min.
1000
f40
Typ.
1150-20000
VSWR (:1)
Stopband
Typ.
10
Passband
Typ.
1.2
NO. OF
SECTIONS
21
Typical Performance Data @ 25°C
Outline Dimensions (
inch
)
mm
B
.39
9.91
D
2.67
67.82
E
.312
7.92
wt.
grams
17.0
Frequency
(MHz)
50
250
400
550
620
700
820
880
960
1025
Insertion Loss
(dB)
0.32
0.46
0.69
0.97
1.21
1.64
3.57
8.81
23.09
41.04
50.47
65.72
73.08
61.13
70.11
80.55
72.73
78.70
67.07
56.88
VSWR
(:1)
1.07
1.09
1.06
1.17
1.24
1.28
1.33
3.45
8.60
10.94
26.44
39.98
74.63
68.07
49.82
29.49
4.71
21.69
4.77
12.07
Functional Schematic
RF IN
RF OUT
1500
2000
3000
5000
7500
10000
12500
15000
17500
20000
Typical Frequency Response
ATTENUATION (dB)
40 dB
20 dB
100
VLFX-540
INSERTION LOSS
VLFX-540
VSWR
100
3 dB
1 dB
fco f20
f40
FREQUENCY
>20 GHz
90
INSERTION LOSS(dB)
80
70
50
40
30
20
10
0
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
VSWR
60
10
1
0
4000
8000
12000
16000
20000
REV. OR
M96318
VLFX-540
EDU-0399
ED-11930A/9
URJ/AD/CP
050119
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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