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)
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-225
DC-225
345
460
520-20000
10
1.15
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
Typical Performance Data @ 25C
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
50
0.18
1.08
100
0.52
1.10
160
0.61
1.11
225
0.92
1.10
260
1.16
1.13
300
1.52
1.28
360
3.50
1.62
400
6.96
1.78
440
23.09
3.47
520
41.12
8.40
600
41.60
11.87
750
49.81
18.37
1000
49.72
33.93
2500
78.92
98.08
5000
68.41
49.08
7500
65.61
36.38
10000
59.00
17.35
12500
74.50
12.80
15000
57.27
5.82
20000
58.14
4.44
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 225 MHz (40 dB Isolation up to 20 GHz)
Low Pass Filter
Coaxial
REV. OR
M96318
VLFX-225
EDU-0399
ED-11930A/3
URJ/AD/CP
050119
NEW!
VLFX-225
VLFX-225
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-225
VSWR
1
10
100
1000
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
VSWR
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