Coaxial
Low Pass Filter
VLFX-80
DC to 80 MHz (40 dB Isolation up to 20 GHz)
Maximum Ratings
Features
• very good isolation, 40 dB up to 20 GHz
• 21 sections
Operating Temperature
-55°C to 100°C
-55°C to 100°C
Storage Temperature
CASE STYLE: FF1118
PRICE: $ 39.95 ea. QTY (1-9)
• temperature stable LTCC internal structure
• patent pending
• re-entry frequency > 20 GHz
• rugged stainless steel unibody
RF Power Input*
*Passband rating, derate linearly to 3.5W at 100°C ambient.
10W max. at 25°C
Applications
• harmonic rejection
• transmitters/receivers
• lab use
• test instrumentation
Outline Drawing
Low Pass Filter Electrical Specifications @ 25°C
MODEL
NO.
PASSBAND
(MHz)
fco, MHz
Nom
STOPBAND (MHz)
(Loss, dB)
VSWR (:1)
NO. OF
SECTIONS
f20
Min.
f40
Typ.
Stopband
Typ.
Passband
Typ.
(Loss 3 dB)
Typ
(Loss < 1.2dB)
Max.
VLFX-80
DC-80
145
195
300-20000
10
1.2
21
Typical Performance Data @ 25°C
inch
Outline Dimensions (
mm
)
Frequency
(MHz)
Insertion Loss
(dB)
VSWR
(:1)
B
.39
D
2.67
E
.312
7.92
wt.
grams
17.0
50
65
80
90
100
0.75
0.88
0.98
1.08
1.17
1.19
1.19
1.17
1.12
1.09
9.91
67.82
120
145
160
185
220
1.62
3.08
4.90
19.79
41.24
1.20
1.98
2.75
5.32
13.35
Functional Schematic
300
400
500
1000
2500
42.63
45.66
45.31
49.28
67.46
19.05
26.84
35.47
74.28
26.17
RF IN
RF OUT
5000
7500
10000
15000
20000
64.78
70.16
62.34
57.77
50.35
66.41
21.10
7.22
7.86
15.48
Typical Frequency Response
40 dB
VLFX-80
INSERTION LOSS
VLFX-80
VSWR
20 dB
90
80
70
60
50
40
30
20
10
100
10
1
3 dB
1 dB
fco f20
f40
>20 GHz
FREQUENCY
0
0
4000
8000
12000
16000
20000
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
FREQUENCY (MHz)
REV. OR
M96318
VLFX-80
EDU-0399
ED-11930A/1
URJ/AD/CP
050119
®
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