40 dB

20 dB

3 dB

1 dB

FREQUENCY / Fco

DC

0.9 1

1.35

1.75

3

40 dB

20 dB

2

20 dB

40 dB

DC

0.8 1

1.75

2.7

50/40

REV. B

M151121

EDU0935

LPFD-3040+

URJ

161017

Page 1 of 3

Maximum Ratings*

Operating Temperature

Storage Temperature

RF Power Input

0.5W Max

LPFD-3040+

Low Pass Filter Electrical Specifications (T

O

C)

Features

• High rejection

• Sharp insertion loss roll off

• Good VSWR, 1.2:1 typ.@ passband

• Small size dual filter, 0.5" x 0.5"

• Aqueous washable

Typical Frequency Response

(for each of filter)

Functional Schematic

50Ω

Passband DC to 30 MHz & DC to 40 MHz

Dual Low Pass Filter

Metal Shield

Applications

• Wireless communications

• Receivers / Transmitters

Pin Connections

Outline Dimensions (

)

inch

mm

RF IN 1

2 (Filter 1)

RF OUT 1

14 (Filter 1)

RF IN 2

6 (Filter 2)

RF OUT 2

10 (Filter 2)

GROUND

1,3,4,5,7,8,9,11,12,13,15,16

CASE STYLE: DV874

Outline Drawing

Filter 1

Filter 2

Cross Over

Filter 1 Filter 2

Freq.

I. Loss

R. Loss

I. Loss

R. Loss

Isolation

Freq.

Group Delay

(MHz)

(dB)

(dB)

(dB)

(dB)

(dB)

(MHz)

(nSec)

x

σ

x

σ

between filters 1 & 2

0.5

0.71

0.01

21.67

0.63

0.01

22.54

80.24

1.0

14.71

12.17

10.0

0.75

0.01

19.88

0.67

0.01

19.99

73.62

2.0

13.93

11.46

30.0

1.07

0.01

23.26

0.81

0.01

35.64

63.30

5.0

14.00

11.53

40.0

2.57

0.07

8.77

1.09

0.02

26.26

57.61

7.0

14.05

11.53

45.0

6.32

0.11

3.19

1.65

0.05

12.68

57.41

9.0

14.11

11.53

49.0

10.44

0.11

1.68

2.98

0.10

6.81

58.93

10.0

14.19

11.54

55.0

16.57

0.10

0.92

7.00

0.17

2.67

62.72

12.0

14.38

11.67

60.0

21.14

0.09

0.68

11.21

0.19

1.46

65.96

14.0

14.60

11.80

70.0

29.00

0.08

0.47

19.20

0.18

0.74

70.46

18.0

15.16

12.10

85.0

38.54

0.08

0.33

28.96

0.17

0.46

73.12

20.0

15.47

12.29

100.0

46.46

0.09

0.25

36.77

0.18

0.34

73.34

22.0

15.81

12.48

110.0

51.21

0.09

0.22

41.25

0.20

0.29

73.38

26.0

16.61

12.95

130.0

59.96

0.07

0.18

48.97

0.27

0.23

73.52

28.0

17.17

13.23

300.0

79.56

1.05

0.10

92.38

7.91

0.09

70.87

30.0

18.01

13.53

500.0

77.31

1.78

0.12

84.66

1.62

0.09

70.89

32.0

19.19

13.89

1000.0

70.18

0.57

0.21

81.14

1.79

0.18

64.31

34.0

20.85

14.38

1500.0

65.33

1.24

0.26

70.79

2.35

0.25

49.52

38.0

24.94

15.78

2000.0

57.08

1.20

0.26

58.56

1.29

0.29

42.45

40.0

26.03

16.83

RF IN 1

RF IN 2

RF OUT 1

RF OUT 2

Filter 1

Filter 2

STRUCTURE PASSBAND fco, MHz

STOPBAND

CROSS OVER

VSWR (:1)

(MHz)

Nom.

(MHz)

ISOLATION

(dB)

Passband Stopband

(Loss < 2dB) (Loss 3dB) (Loss > 20dB) (Loss > 40dB)

Typ.

Typ.

Typ.

Filter 1

DC - 30

40

70 - 110

110 - 2000

60

1.2

20

Filter 2

DC - 40

49

85 - 130

130 - 2000

1.2

20

Permanent damage may occur if any of these limits are exceeded.

*Ratings are for each of the two filters in the package.

TOP SIDE

BOTTOM SIDE

SIDE VIEW

PCB Land Pattern

Suggested Layout,

Tolerance to be within ±.002

METALLIZATION

SOLDER RESIST

A

B

C

D

E

F

G

H

J

.500 .500 .195 .100 .080 .115 .060 .040 .540

12.70 12.70 4.95 2.54 2.03 2.92 1.52 1.02 13.72

K

L

M

N

P

Q

R

S

wt.

.060 .100 .135 .135 .115 .140 .070 .150 grams

1.52 2.54 3.43 3.43 2.92 3.56 1.78 3.81

1.0

Demo Board MCL P/N: TB-686

Suggested PCB Layout (PL-374)

Notes

A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.

B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.

C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled

to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp

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for RoHS Compliance methodologies and qualifications