Outline Drawing

Maximum Ratings

Pin Connections

Features

RF IN

1**

RF OUT

3**

GROUND

2,4

**RF IN & RF OUT can be interchanged

Demo Board MCL P/N: TB-270

Suggested PCB Layout (PL-137)

Applications

Outline Dimensions (

)

inch

mm

AB

C

D

E

F

G

H

.126

.063

.039

.020

.032

.009

.169

.087

3.20

1.60

0.99

0.51

0.81

0.23

4.29

2.21

J

K

L

M

N

P

wt.

.024

.122

.024

.087

.012

.071 grams

0.61

3.10

0.61

2.21

0.30

1.80

.020

• harmonic rejection

• VHF/UHF transmitters/receivers

• RF suppression for DC lines on PCB

• anti-aliasing for A/D converter

• excellent power handling, 8.5W

• small size

• 7 sections

• temperature stable

• patent pending

LFCN-490

DC-490

650

780

880-2500

6000

20

1.2

7

MODEL

NO.

PASSBAND

(MHz)

fco, MHz

Nom.

(loss 3 dB)

Typ.

STOP BAND (MHz)

(loss, dB)

(loss < 1 dB)

Max.

VSWR (:1)

Stopband

Typ.

Passband

Typ.

NO. OF

SECTIONS

f 20

Min.

fr 20

Typ.

40

Typ.

Typical Performance Data at 25°C

Frequency

(MHz)

Insertion Loss

(dB)

VSWR

(:1)

1.00

0.05

1.01

100.00

0.22

1.05

250.00

0.39

1.02

500.00

0.86

1.07

600.00

1.52

1.45

650.00

2.37

1.85

700.00

5.08

3.10

780.00

27.49

12.99

880.00

44.92

19.76

1000.00

41.68

25.94

2500.00

75.47

51.10

3500.00

38.94

51.10

4500.00

36.38

30.49

5500.00

20.80

24.14

6000.00

21.07

22.00

Operating Temperature

-55°C to 100°C

Storage Temperature

-55°C to 100°C

RF Power Input*

8.5W max. at 25°C

DC Current Input to Output

0.5A max. at 25°C

*Passband rating, derate linearly to 3.5W at 100°C ambient.

LFCN-490

INSERTION LOSS

0

10

20

30

40

50

60

70

80

0

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

LFCN-490

VSWR

1

10

100

0

1000

2000

3000

4000

5000

6000

FREQUENCY (MHz)

K1-LFCN

35

5 of each: LFCN-225, -320, -400, -490, -530, -575, -630

99.95

designers kit available

Kit

No.

No. of

Units in Kit

Description

Price $

per Kit

RF IN

RF OUT

fR 20 dB

20dB

3dB

40dB

1dB

FREQUENCY

f 20

f co

schematic

schematic

schematic

schematic

schematic

typical frequency response

typical frequency response

typical frequency response

typical frequency response

typical frequency response

1. For Applications requiring DC voltage to be applied to the Input or output, use LFCN-490D (DC Resistance to

ground is 100 Mohms min.)

Model

Price

Qty.

LFCN-490

$2.99

(10-49)

LFCN-490D

$3.49

(10-49)

CASE STYLE: FV1206

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

®

Mini-Circuits ISO 9001 & ISO 14001 Certified

DC to 490 MHz

Low Pass Filter

Ceramic

LFCN-490

REV. B

M96263

LFCN-490

EDR-6588/4

RVN/AD/CP

050113

NEW!