Coaxial
Low Pass Filter
DC to 400 MHz
Maximum Ratings
Operating Temperature
Storage Temperature
RF Power Input
-55°C to 100°C
-55°C to 100°C
8.5*W max. at 25°C
!
NEW
VLF-400
Features
•
•
•
•
•
low cost
small size
7 sections
temperature stable
patent pending
CASE STYLE: FF704
PRICE: $19.95 ea. QTY (10-24)
DC Current Input to Output 0.5A max. at 25°C
*Passband
rating, derate linearly to 3.5W at 100°C ambient.
Applications
• harmonic rejection
• transmitters/receivers
• lab use
Low Pass Filter Electrical Specifications (T
AMB
=25°C)
MODEL
NO.
PASSBAND
(MHz)
(loss < 1 dB)
Max.
VLF-400
DC-400
fco, MHz
Nom.
(loss 3 dB)
Typ.
560
STOP BAND (MHz)
(loss, dB)
f 20
Min.
660
40
Typ.
680-3000
fr 20
Typ.
5500
VSWR (:1)
Stopband
Typ.
20
Passband
Typ.
1.2
NO. OF
SECTIONS
7
Outline Drawing
typical frequency response
ATTENUATION (dB)
40dB
20dB
schematic
RF IN
RF OUT
3dB
1dB
f co f 20
FREQUENCY
fR 20 dB
Typical Performance Data at 25°C
Frequency
(MHz)
1.00
100.00
250.00
400.00
560.00
650.00
680.00
1000.00
1500.00
2000.00
3000.00
3500.00
4000.00
5000.00
5500.00
Insertion Loss
(dB)
0.06
0.24
0.46
0.82
3.32
29.34
40.84
45.29
67.47
55.97
40.46
34.35
31.93
21.90
20.67
VSWR
(:1)
1.02
1.08
1.08
1.11
2.23
13.37
16.68
40.90
62.43
61.67
52.99
50.78
43.48
31.07
25.87
Outline Dimensions (
inch
)
mm
B
.410
10.41
D
1.43
36.32
E
.312
7.92
wt.
grams
10.0
VLF-400
INSERTION LOSS
80
INSERTION LOSS (dB)
70
60
40
30
20
10
0
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
50
VLF-400
VSWR
1000
100
VSWR
10
1
0
1000
2000
3000
4000
5000
6000
FREQUENCY (MHz)
Mini-Circuits
®
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
ISO 9001 & ISO 14001
Certified
REV. E
M94020
VLF-400
EDR-6588/3
RVN/AD/CP
040907
MINI [ MINI-CIRCUITS ]
