Low Pass Filter Electrical Specifications @ 25C
Maximum Ratings
Features
Operating Temperature
-55C to 100C
Storage Temperature -55C to 100C
RF Power Input
10W max. at 25C
Applications
harmonic rejection
transmitters/receivers
lab use
test instrumentation
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)
Typical Performance Data @ 25C
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
Functional Schematic
RF IN
RF OUT
*Passband rating, derate linearly to 3.5W at 100C ambient.
Outline Dimensions ( )
inch
mm
B
D
E
wt.
.39
2.67
.312
grams
9.91
67.82
7.92
17.0
MODEL
NO.
PASSBAND
(MHz)
(Loss < 1.2dB)
Max.
fco, MHz
Nom
(Loss 3 dB)
Typ
STOPBAND (MHz)
(Loss, dB)
VSWR (:1)
NO. OF
SECTIONS
f20
Min.
f40
Typ.
Stopband
Typ.
Passband
Typ.
VLFX-540
DC-540
810
1000
1150-20000
10
1.2
21
Outline Drawing
Typical Frequency Response
FREQUENCY
>20 GHz
fco
f20
f40
40 dB
A
T
TENU
A
T
ION (dB)
20 dB
3 dB
1 dB
50
0.32
1.07
250
0.46
1.09
400
0.69
1.06
550
0.97
1.17
620
1.21
1.24
700
1.64
1.28
820
3.57
1.33
880
8.81
3.45
960
23.09
8.60
1025
41.04
10.94
1500
50.47
26.44
2000
65.72
39.98
3000
73.08
74.63
5000
61.13
68.07
7500
70.11
49.82
10000
80.55
29.49
12500
72.73
4.71
15000
78.70
21.69
17500
67.07
4.77
20000
56.88
12.07
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
DC to 540 MHz (40 dB Isolation up to 20 GHz)
Low Pass Filter
Coaxial
REV. OR
M96318
VLFX-540
EDU-0399
ED-11930A/9
URJ/AD/CP
050119
NEW!
VLFX-540
VLFX-540
INSERTION LOSS
0
10
20
30
40
50
60
70
80
90
100
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
I
N
S
E
R
T
I
O
N
L
O
S
S
(
d
B
)
VLFX-540
VSWR
1
10
100
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
VSWR
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