Low Pass Filter Electrical Specifications @ 25°C

Maximum Ratings

Features

Operating Temperature

-55°C to 100°C

Storage Temperature

-55°C to 100°C

RF Power Input*

10W max. at 25°C

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)

Typical Performance Data @ 25°C

Frequency

(MHz)

Insertion Loss

(dB)

VSWR

(:1)

Functional Schematic

RF IN

RF OUT

*Passband rating, derate linearly to 3.5W at 100°C 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-450

DC-450

640

780

950-20000

10

1.15

21

Outline Drawing

Typical Frequency Response

FREQUENCY

>20 GHz

fco

f20

f40

40 dB

20 dB

3 dB

1 dB

50

0.31

1.06

175

0.45

1.13

300

0.71

1.09

450

1.00

1.09

500

1.21

1.18

575

1.84

1.38

640

2.93

1.45

685

5.85

1.71

750

18.23

4.33

850

42.71

8.60

1000

39.56

12.52

2000

65.26

44.38

4000

78.45

76.01

6000

69.29

49.69

8000

69.23

49.14

10000

97.72

23.84

12000

70.90

2.73

16000

70.44

11.13

18000

67.17

1.71

20000

60.16

8.17

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

DC to 450 MHz (40 dB Isolation up to 20 GHz)

Low Pass Filter

Coaxial

REV. OR

M96318

VLFX-450

EDU-0399

ED-11930A/6

URJ/AD/CP

050119

NEW!

VLFX-450

VLFX-450

INSERTION LOSS

0

20

40

60

80

100

120

0

4000

8000

12000

16000

20000

FREQUENCY (MHz)

VLFX-450

VSWR

1

10

100

0

4000

8000

12000

16000

20000

FREQUENCY (MHz)