Coaxial
Low Pass Filter
DC to 400 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
NEW
!
VLFX-400
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-400 DC-400
fco, MHz Nom
(Loss 3 dB) Typ 540
STOPBAND (MHz) (Loss, dB)
f20 Min. 670 f40 Typ. 900-20000
VSWR (:1)
Stopband Typ. 10 Passband Typ. 1.15
NO. OF SECTIONS
21
Outline Dimensions (inch ) mm
B .39 9.91 D 2.67 67.82 E .312 7.92 wt. grams 17.0
Typical Performance Data @ 25°C
Frequency (MHz)
50 100 200 400 450 500 560 600 650 690
Insertion Loss (dB)
0.22 0.38 0.55 0.97 1.23 1.67 3.11 6.73 22.21 42.19 43.74 44.36 72.09 64.87 67.01 75.88 55.24 55.32 69.03 70.03
VSWR (:1)
1.12 1.15 1.17 1.15 1.24 1.39 1.55 2.09 5.47 8.23 14.22 26.35 84.69 54.70 45.36 16.45 5.36 13.07 5.42 16.72
Functional Schematic
RF IN RF OUT
800 1000 3000 5000 7500 10000 12500 15000 17500 20000
Typical Frequency Response
ATTENUATION (dB) 40 dB 20 dB
100
VLFX-400 INSERTION LOSS
VLFX-400 VSWR 1000
3 dB 1 dB fco f20 f40 FREQUENCY >20 GHz
90
INSERTION LOSS(dB)
80 70
100
50 40 30 20 10 0 0 4000 8000 12000 16000 20000 FREQUENCY (MHz)
VSWR
10 1 0 4000 8000 12000 16000 20000
REV. OR M96318 VLFX-400 EDU-0399 ED-11930A/3 URJ/AD/CP 050119
60
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
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