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-780

DC-780

950

1450

1610-20000

10

1.25

21

Outline Drawing

Typical Frequency Response

FREQUENCY

>20 GHz

fco

f20

f40

40 dB

20 dB

3 dB

1 dB

50

0.20

1.07

200

0.42

1.23

500

0.67

1.20

780

1.00

1.15

840

1.24

1.38

900

1.80

1.89

960

2.97

2.94

1050

5.85

6.43

1350

20.52

41.39

1620

41.62

73.11

1750

44.97

78.34

2000

47.85

88.41

2500

78.54

98.33

5000

69.60

89.14

7500

59.97

45.09

10000

74.94

28.77

12500

55.61

18.76

15000

45.26

1.23

17500

66.73

22.68

20000

62.04

8.82

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 780 MHz (40 dB Isolation up to 20 GHz)

Low Pass Filter

Coaxial

REV. OR

M96318

VLFX-780

EDU-0399

ED-11930A/10

URJ/AD/CP

050119

NEW!

VLFX-780

VLFX-780

INSERTION LOSS

0

10

20

30

40

50

60

70

80

90

0

4000

8000

12000

16000

20000

FREQUENCY (MHz)

VLFX-780

VSWR

1

10

100

1000

0

4000

8000

12000

16000

20000

FREQUENCY (MHz)