VLFX-780 Datasheet, PDF (1/1 Pages) Mini-Circuits – Low Pass Filter DC to 780 MHz (40 dB Isolation up to 20 GHz)

Coaxial
Low Pass Filter
DC to 780 MHz (40 dB Isolation up to 20 GHz)
NEW!
VLFX-780
Maximum Ratings
Operating Temperature
-55°C to 100°C
Storage Temperature
-55°C to 100°C
RF Power Input*
10W max. at 25°C
*Passband rating, derate linearly to 3.5W at 100°C ambient.
Outline Drawing
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
Applications
• harmonic rejection
• transmitters/receivers
• lab use
• test instrumentation
CASE STYLE: FF1118
PRICE: $ 39.95 ea. QTY (1-9)
MODEL
NO.
VLFX-780
Low Pass Filter Electrical Specifications @ 25°C
PASSBAND fco, MHz
(MHz)
Nom
(Loss < 1.2dB)
Max.
DC-780
(Loss 3 dB)
Typ
950
STOPBAND (MHz)
(Loss, dB)
f20
Min.
f40
Typ.
1450
1610-20000
VSWR (:1)
Stopband
Typ.
10
Passband
Typ.
1.25
NO. OF
SECTIONS
21
Outline Dimensions
( inch
mm
)
B
D
E
.39
2.67
.312
9.91 67.82
7.92
wt.
grams
17.0
Frequency
(MHz)
50
200
500
780
840
Typical Performance Data @ 25°C
Insertion Loss
(dB)
0.20
0.42
0.67
1.00
1.24
VSWR
(:1)
1.07
1.23
1.20
1.15
1.38
900
960
1050
Functional Schematic
1350
1620
RF IN
RF OUT
1750
2000
2500
5000
7500
1.80
2.97
5.85
20.52
41.62
44.97
47.85
78.54
69.60
59.97
1.89
2.94
6.43
41.39
73.11
78.34
88.41
98.33
89.14
45.09
Typical Frequency Response
10000
12500
15000
17500
20000
74.94
55.61
45.26
66.73
62.04
28.77
18.76
1.23
22.68
8.82
40 dB
20 dB
3 dB
1 dB
VLFX-780
INSERTION LOSS
90
1000
VLFX-780
VSWR
80
70
fco f20 f40
>20 GHz
60
100
FREQUENCY
50
40
30
10
20
10
0
0
4000
8000
12000
16000
20000
FREQUENCY (MHz)
1
0
4000
8000
12000
FREQUENCY (MHz)
Mini-Circuits^®
INTERNET http://www.minicircuits.com
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Mini-Circuits ISO 9001 & ISO 14001 Certified
16000
20000
REV. OR
M96318
VLFX-780
EDU-0399
ED-11930A/10
URJ/AD/CP
050119